Product Image

Sunny Mood with Rhodiola

Irwin Naturals
4.3
★ ★ ★ ★ ★
(839 ratings)
Theanine 80 mg
Rhodiola
Chromium 200 mcg
EPA (Eicosapentaenoic Acid) 162 mg
DHA 108 mg
Fish Oil 900 mg
Protein 1 Gram(s)
Product Image
Score73
A coherent rhodiola-centered blend may suit stress-related fatigue, mood, and calm focus. Modest supporting doses, weak omega-3 potency, and BioPerine interaction concerns limit its broader appeal.
How scoring works
Quantity:75 Liquid(s) • (25 servings)
Goals:
Stress Relief
Brain Health
Energy
Mental Focus
Cognitive Support
Productivity Boost
Mood Support
General Health

Score 73

A coherent rhodiola-centered blend may suit stress-related fatigue, mood, and calm focus. Modest supporting doses, weak omega-3 potency, and BioPerine interaction concerns limit its broader appeal.
How scoring works
$27.94($1.11 per serving)
iHerb
$ 27.99
Pure Formulas
$ 27.99
Vitacost
$ 29.49
Amazon
$ 27.94
Vitacost
$ 29.49
Report prices

Analysis

Rhodiola is the main strength, with 340 mg of root extract plus disclosed rosavin and salidroside amounts. Lemon balm, passionflower, L-theanine, and magnesium citrate broaden the formula toward calmer focus and stress resilience without relying on a stimulant.

The supporting ingredients are unevenly dosed. L-theanine is present at a mild 80 mg, saffron is limited to 10 mg, and the 900 mg fish oil provides only 162 mg EPA and 108 mg DHA, so it is not an efficient choice for omega-3 support.

Label detail is good for many active amounts, but several sub-ingredient entries are unclear and the fish-oil form, purification method, and stability measures are not disclosed. BioPerine can also affect how certain medicines are handled, while the calming botanicals may make some users drowsy.

Who is it for
  • Adults seeking daytime stress and mood support
  • People whose focus drops during stressful periods
  • Users who prefer a multi-ingredient formula without a stimulant
Best for
  • Stress-related mental fatigue
  • Calm focus and mood support
  • Daytime resilience rather than strong stimulation

Pros

  • 340 mg rhodiola extract with disclosed rosavin and salidroside amounts
  • Lemon balm, passionflower, and L-theanine cover complementary calming pathways
  • Magnesium is supplied as citrate at 150 mg
  • EPA and DHA amounts are listed separately
  • Vitamin D3 and chromium add broader nutritional support

Cons

  • L-theanine and saffron are modestly dosed
  • EPA and DHA make up only a small part of the listed fish oil
  • Fish-oil molecular form and stability details are not provided
  • Several sub-ingredient entries lack clear amounts
  • Poor fit for users seeking direct weight-management or strong stimulant support

Warnings

  • BioPerine may alter exposure to medicines handled by CYP3A4 or P-glycoprotein; users of those medicines should check the combination with a pharmacist or clinician.
  • Passionflower, lemon balm, and L-theanine may cause drowsiness in sensitive users, especially when combined with sedating products.
  • Fish oil may add to bleeding risk for people using anticoagulant or antiplatelet medicines.
  • Contains fish ingredients sourced from anchovy and sardine, so it is unsuitable for people with fish allergy.

Nutrient quality

80 Highest impact

Standardized rhodiola, magnesium citrate, vitamin D3, and complementary calming ingredients create a coherent stress-support base. Light omega-three, theanine, and saffron amounts plus weak alignment with several listed goals limit depth.

.

Ingredient transparency

70 High impact

Most active amounts and several important forms or marker compounds are disclosed. Blank ingredient names, incomplete botanical standardization, a broad piperine complex, and missing non-active ingredients leave notable gaps.

.

Customer satisfaction

63 Moderate impact

Aggregate satisfaction is moderately favorable with a useful amount of feedback. Specific firsthand comments were not supplied, leaving repeated complaints and purpose fit uncertain.

.

Value for money

75 High impact

A substantial rhodiola amount and broad stress-support coverage provide fair value. Light omega-three and several secondary doses prevent the formula from becoming a category leader.

.
Report analysis

Goals

Stress Relief
Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA Formula Quality
Vitamin D · 30 mcgMagnesium · 150 mgTheanine · 80 mg

Standardized rhodiola and calming botanicals provide credible support for stress resilience and mood-related tension. Rhodiola, lemon balm, passionflower, and theanine create complementary daytime pathways.

Some secondary ingredients are modest, and the formula is not a substitute for care when stress is severe or persistent. The balance is better suited to daytime resilience than heavy sedation.

Study evidence
Rhodiola Supportive 16 studies
Theanine Supportive 16 studies
Brain Health
Impact
Highest effect
B+ Goal FitA- Strength of SupportB+ CoverageB+ Formula Quality
Vitamin D · 30 mcgMagnesium · 150 mg

Rhodiola is supplied at a substantial amount with disclosed rosavin and salidroside markers, making stress-related mental fatigue the strongest use. Theanine and fish-derived DHA broaden support toward calm focus and neuronal structure.

The formula covers several relevant pathways without relying on a single token ingredient. Fish oil may warrant caution for people using anticoagulant or antiplatelet medicines.

Study evidence
Magnesium Supportive 86 studies
Rhodiola Supportive 8 studies
Theanine Supportive 17 studies
Energy
Impact
Highest effect
A- Goal FitB+ Strength of SupportC+ CoverageA Formula Quality
Vitamin D · 30 mcgMagnesium · 150 mgIron · 0.4 mgFish Oil · 900 mg

A substantial rhodiola amount provides focused stress-resilience support for fatigue. Magnesium falls below the stated target, and no stimulant or mitochondrial active broadens the effect.

The main amounts are clear, though rhodiola standardization is not provided. Theanine may soften stress without undermining the coherent adaptogen focus.

Study evidence
Magnesium Supportive 4 studies
Rhodiola Supportive 18 studies
Theanine Not classified

No linked studies yet.

Mental Focus
Impact
Highest effect
B+ Goal FitA- Strength of SupportB CoverageB Formula Quality
Vitamin D · 30 mcgMagnesium · 150 mgTheanine · 80 mg

Standardized rhodiola provides strong stress-resilience support, while L-theanine may help calm attention. Magnesium, lemon balm, and modest omega-3s add supportive context without creating an acute stimulant effect.

The combination is better suited to focus under stress than immediate alertness. Passionflower and lemon balm may be calming enough to cause drowsiness in sensitive users.

Study evidence
Magnesium Supportive 6 studies
Rhodiola Supportive 15 studies
Theanine Supportive 19 studies
Cognitive Support
Impact
Highest effect
B+ Goal FitB Strength of SupportB+ CoverageB+ Formula Quality
Magnesium · 150 mgVitamin D · 30 mcgEPA (Eicosapentaenoic Acid) · 162 mgTheanine · 80 mg

Rhodiola, magnesium, DHA, and L-theanine address stress-related fatigue, structural brain lipids, and calm focus. The rhodiola amount is substantial and anchors the formula.

DHA and L-theanine are more moderate, while botanical standardization is not clearly stated. The stack nevertheless balances multiple cognitive pathways with useful dose depth.

Study evidence
Magnesium Supportive 24 studies
Rhodiola Supportive 7 studies
Theanine Supportive 25 studies
Productivity Boost
Impact
High effect
B+ Goal FitA- Strength of SupportB CoverageC Formula Quality
Iron · 0.4 mgMagnesium · 150 mgTheanine · 80 mg

Standardized rhodiola is the clear strength and may help preserve concentration during stressful work. L-theanine adds calm attention, and the extract lists both rosavins and salidrosides.

Lemon balm and passionflower may feel too calming for users seeking sharper daytime alertness. The formula suits stress-related fatigue better than tasks requiring a strong acute stimulant effect.

Study evidence
Rhodiola Supportive 7 studies
Theanine Supportive 5 studies

Ingredients

IngredientAmount per serving
Calories
30 Calorie(s)
Total Fat
2 Gram(s)
Saturated Fat
0.5 Gram(s)
Cholesterol
5 mg
Total Carbohydrates
2 Gram(s)
Protein
1 Gram(s)
Vitamin D3
30 mcg
Iron
0.4 mg
Magnesium
150 mg
Chromium
200 mcg
Fish Oil
900 mg
Eicosapentaenoic Acid
162 mg
Docosahexaenoic Acid
108 mg
Rhodiola root extract
340 mg
Rosavins
10.2 mg
Salidrosides
3.4 mg
Lemon Balm leaf extract
300 mg
Passionflower Aerial Extract
200 mg
Damiana leaf extract
200 mg
L-Theanine
80 mg
Saffron extract
10 mg
BioPerine Complex
6 mg
Adults 18–50 Women
Report overview
Theanine · 80 mg OverallScore76
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyD+ Value

The explicitly identified L-theanine is individually disclosed at a mild supporting dose. Its generic form has no branded source or purity claim, which limits evidence for premium ingredient quality. Theanine is premium on its own, but rhodiola, lemon balm, and fish oil improve the wider formula's value.

Rhodiola · 340 mg OverallScore50
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value

The liquid extract provides a clearly stated amount within the supported range. The species and key markers are not disclosed, leaving authenticity and potency uncertain. A high serving cost is not justified by any standardized or branded Rhodiola source.

Chromium · 200 mcg OverallScore47
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

The chemical form of chromium is not identified. The 200 mcg amount is well targeted, although the label lists only one chromium weight. Cost efficiency is weak for chromium despite the formula’s broader nutrient content.

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Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Scientific Opinion on the substantiation of a health claim related to Rhodiola rosea L. extract and reduction of mental fatigue pursuant to Article 13(5) of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusStress Relief forRhodiola
  2. Clinical evidence for the adaptogenic effects of Withania somnifera and Rhodiola rosea - A systematic review with molecular interpretation of psychometric outcomes.
    Łuszczak J; Kocki J · Annals of agricultural and environmental medicine : AAEM · 2026
    Systematic review19 studies pooledStress Relief Cognitive Support forRhodiola
  3. [Effects of rhodiola rosea on oxidative stress and negative emotional states in patients with obstructive sleep apnea].
    Yu HL; Zhang PP; Zhang C; Zhang X; Li ZZ; Li WQ; Fu AS · Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2019
    Randomized trial90 participantsStress Relief forRhodiola
  4. Rhodiola rosea in Subjects with Prolonged or Chronic Fatigue Symptoms: Results of an Open-Label Clinical Trial.
    Lekomtseva Y; Zhukova I; Wacker A · Complementary medicine research · 2019
    Single-arm trial100 participantsStress Relief Energy General Health forRhodiola
  5. Anti-Stress, Behavioural and Magnetoencephalography Effects of an L-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial.
    White DJ; de Klerk S; Woods W; Gondalia S; Noonan C; Scholey AB · Nutrients · 2016
    Randomized trial34 participantsStress Relief forTheanine
  6. Effect of Combined Ingestion of L-Theanine and L-Arginine for Short-Term Psychological Stress in Young Adults: A Randomized Placebo-Controlled Study.
    Furushima D; Sugiyama I; Nomura Y; Unno K; Yamada H · Journal of nutritional science and vitaminology · 2023
    Randomized trial120 participantsStress Relief forTheanine
  7. L-theanine in the adjunctive treatment of generalized anxiety disorder: A double-blind, randomised, placebo-controlled trial.
    Sarris J; Byrne GJ; Cribb L; Oliver G; Murphy J; Macdonald P; Nazareth S; Karamacoska D; Galea S; Short A; Ee C; Birling Y; Menon R; Ng CH · Journal of psychiatric research · 2020
    Randomized trial46 participantsStress Relief forTheanine
  8. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.
    Hidese S; Ogawa S; Ota M; Ishida I; Yasukawa Z; Ozeki M; Kunugi H · Nutrients · 2020
    Randomized trial30 participantsStress Relief Brain Health Cognitive Support forTheanine
  9. The effectiveness and efficacy of Rhodiola rosea L.: a systematic review of randomized clinical trials.
    Hung SK; Perry R; Ernst E · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2012
    Systematic review11 studies pooledMental Focus forRhodiola
  10. Dose-Response Effects of Short-Term Rhodiola rosea (Golden Root Extract) Supplementation on Anaerobic Exercise Performance and Cognitive Function in Resistance-Trained Athletes: A Randomized, Crossover, Double-Blind, and Placebo-Controlled Study.
    Koozehchian MS; Newton AT; Mabrey G; Bonness FM; Rafajlovska R; Naderi A · Nutrients · 2025
    Randomized trial27 participantsMental Focus Brain Health forRhodiola
  11. Effects of Rhodiola rosea supplementation on mental performance, physical capacity, and oxidative stress biomarkers in healthy men.
    Jówko E; Sadowski J; Długołęcka B; Gierczuk D; Opaszowski B; Cieśliński I · Journal of sport and health science · 2022
    Randomized trial26 participantsMental Focus Productivity Boost forRhodiola
  12. Acute Rhodiola rosea intake can improve endurance exercise performance.
    De Bock K; Eijnde BO; Ramaekers M; Hespel P · International journal of sport nutrition and exercise metabolism · 2004
    Randomized trial24 participantsMental Focus forRhodiola
  13. Promising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials.
    Mátyus RO; Szikora Z; Bodó D; Vargáné Szabó B; Csupor É; Csupor D; Tóth B · Journal of clinical medicine · 2025
    Meta-analysis148 participants5 studies pooledMental Focus forTheanine
  14. Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Payne ER; Aceves-Martins M; Dubost J; Greyling A; de Roos B · Nutrition reviews · 2025
    Meta-analysis50 studies pooledMental Focus Brain Health Cognitive Support forTheanine
  15. L-theanine improves neurophysiological measures of attention in a dose-dependent manner: a double-blind, placebo-controlled, crossover study.
    Dassanayake TL; Kahathuduwa CN; Weerasinghe VS · Nutritional neuroscience · 2022
    Randomized trial27 participantsMental Focus forTheanine
  16. A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood.
    Dodd FL; Kennedy DO; Riby LM; Haskell-Ramsay CF · Psychopharmacology · 2016
    Randomized trial24 participantsMental Focus forTheanine
  17. Rhodiola rosea versus sertraline for major depressive disorder: A randomized placebo-controlled trial.
    Mao JJ; Xie SX; Zee J; Soeller I; Li QS; Rockwell K; Amsterdam JD · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2015
    Randomized trial57 participantsMood Support forRhodiola
  18. Efficacy of Pharmacological Interventions in Milder Depression: A Systematic Review and Meta-Analysis.
    Urata M; Sakurai H; Ueno F; Maruki T; Tada T; Uchida T; Matsumoto Y; Murao M; Tomita M; Baba H; Kato M; Tsuboi T; Watanabe K · Neuropsychopharmacology reports · 2025
    Meta-analysis1,049 participants2 studies pooledMood Support forRhodiola
  19. Herbal medicine for depression, anxiety and insomnia: a review of psychopharmacology and clinical evidence.
    Sarris J; Panossian A; Schweitzer I; Stough C; Scholey A · European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology · 2012
    Systematic review66 studies pooledMood Support forRhodiola
  20. A randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract shr-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatigue.
    Olsson EM; von Schéele B; Panossian AG · Planta medica · 2009
    Randomized trial60 participantsMood Support Cognitive Support Productivity Boost forRhodiola
  21. Marine Omega-3 Supplementation and Cardiovascular Disease: An Updated Meta-Analysis of 13 Randomized Controlled Trials Involving 127 477 Participants.
    Hu Y; Hu FB; Manson JE · Journal of the American Heart Association · 2020
    Meta-analysis127,477 participants13 studies pooledCardiovascular Support forFish Oil
  22. A systematic review of fish-oil supplements for the prevention and treatment of hypertension.
    Campbell F; Dickinson HO; Critchley JA; Ford GA; Bradburn M · European journal of preventive cardiology · 2013
    Meta-analysis1,524 participants17 studies pooledCardiovascular Support forFish Oil
  23. Vitamin D, Marine n-3 Fatty Acids, and Primary Prevention of Cardiovascular Disease Current Evidence.
    Manson JE; Bassuk SS; Cook NR; Lee IM; Mora S; Albert CM; Buring JE; VITAL Research Group · Circulation research · 2020
    Randomized trial25,871 participantsCardiovascular Support forFish Oil
  24. Regular use of fish oil supplements and course of cardiovascular diseases: prospective cohort study.
    Chen G; Qian ZM; Zhang J; Zhang S; Zhang Z; Vaughn MG; Aaron HE; Wang C; Lip GY; Lin H · BMJ medicine · 2024
    Cohort study415,737 participantsCardiovascular Support forFish Oil
  25. Marine n-3 fatty acid treatment for carotid plaques in patients with type 2 diabetes.
    Zhuang P; Liu X; Jia W; Zheng W; Wan X; Chen W; Gu J; Li Y; Lan X; Li H; Tong W; Wu Y; Wu X; Ao Y; Ye H; Wu F; Zhu L; Zhang L; Li Y; Meng D; Tian Y; Wang A; Wu S; Zhu F; Zhang Y; Shi H; Yu X; Zhang F; Zhang Y; Jiao J · Cardiovascular diabetology · 2026
    Randomized trial415 participantsCardiovascular Support forFish Oil
  26. Antenatal magnesium sulfate and neuroprotection.
    Doyle LW · Current opinion in pediatrics · 2012
    Meta-analysis6,145 participants5 studies pooledBrain Health forMagnesium
  27. No. 376-Magnesium Sulphate for Fetal Neuroprotection.
    Magee LA; De Silva DA; Sawchuck D; Synnes A; von Dadelszen P · Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC · 2020
    Guideline / consensus4,446 participantsBrain Health forMagnesium
  28. Magnesium Sulfate Before Preterm Birth for Neuroprotection: An Updated Cochrane Systematic Review.
    Shepherd ES; Goldsmith S; Doyle LW; Middleton P; Marret S; Rouse DJ; Pryde P; Wolf HT; Crowther CA · Obstetrics and gynecology · 2024
    Systematic review5,917 participants6 studies pooledBrain Health forMagnesium
  29. Magnesium sulphate for fetal neuroprotection at imminent risk for preterm delivery: a systematic review with meta-analysis and trial sequential analysis.
    Wolf HT; Huusom LD; Henriksen TB; Hegaard HK; Brok J; Pinborg A · BJOG : an international journal of obstetrics and gynaecology · 2020
    Meta-analysis5,917 participants6 studies pooledBrain Health forMagnesium
  30. Magnesium sulfate and fetal neuroprotection: overview of clinical evidence.
    Chollat C; Marret S · Neural regeneration research · 2020
    Narrative reviewBrain Health forMagnesium
  31. A combination of green tea, rhodiola, magnesium and B vitamins modulates brain activity and protects against the effects of induced social stress in healthy volunteers.
    Boyle NB; Billington J; Lawton C; Quadt F; Dye L · Nutritional neuroscience · 2022
    Randomized trial100 participantsBrain Health forRhodiola
  32. Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy.
    Panossian A; Wikman G; Sarris J · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2010
    Narrative reviewBrain Health forRhodiola
  33. Rhodiola rosea in stress induced fatigue--a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty.
    Darbinyan V; Kteyan A; Panossian A; Gabrielian E; Wikman G; Wagner H · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2001
    Randomized trial56 participantsBrain Health General Health Productivity Boost forRhodiola
  34. Effects of a Rhodiola rosea extract on mental resource allocation and attention: An event-related potential dual task study.
    Koop T; Dienel A; Heldmann M; Münte TF · Phytotherapy research : PTR · 2021
    Single-arm trial50 participantsBrain Health Cognitive Support forRhodiola
  35. A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave® L-Theanine on Stress in a Healthy Adult Population.
    Evans M; McDonald AC; Xiong L; Crowley DC; Guthrie N · Neurology and therapy · 2021
    Randomized trialBrain Health Stress Relief forTheanine
  36. Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task.
    Foxe JJ; Morie KP; Laud PJ; Rowson MJ; de Bruin EA; Kelly SP · Neuropharmacology · 2012
    Randomized trial27 participantsBrain Health Cognitive Support forTheanine
  37. Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study.
    Baba Y; Inagaki S; Nakagawa S; Kaneko T; Kobayashi M; Takihara T · Journal of medicinal food · 2021
    Randomized trialBrain Health Mental Focus Productivity Boost forTheanine
  38. Impact of omega-3 fatty acids on hypertriglyceridemia, lipidomics, and gut microbiome in patients with type 2 diabetes.
    Lu J; Liu R; Ren H; Wang S; Hu C; Shi Z; Li M; Liu W; Wan Q; Su Q; Li Q; Zheng H; Qu S; Yang F; Ji H; Lin H; Qi H; Wu X; Wu K; Chen Y; Xu Y; Xu M; Wang T; Zheng J; Ning G; Zheng R; Bi Y; Zhong H; Wang W · Med (New York, N.Y.) · 2025
    Randomized trial309 participantsCardiovascular Support forFish Oil
  39. Effects of fish oil-derived fatty acids on suboptimal cardiovascular health: A multicenter, randomized, double-blind, placebo-controlled trial.
    Zeng Q; Dong SY; Liu YP; Fu J; Shuai P; Zhao ZM; Li TX · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2017
    Randomized trial422 participantsCardiovascular Support forFish Oil
  40. Effect of High-Dose Marine Omega-3 Fatty Acids on Atherosclerosis: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.
    Sekikawa A; Cui C; Sugiyama D; Fabio A; Harris WS; Zhang X · Nutrients · 2020
    Meta-analysis6 studies pooledCardiovascular Support forFish Oil
  41. Circulating and dietary magnesium and risk of cardiovascular disease: a systematic review and meta-analysis of prospective studies.
    Del Gobbo LC; Imamura F; Wu JH; de Oliveira Otto MC; Chiuve SE; Mozaffarian D · The American journal of clinical nutrition · 2013
    Meta-analysis313,041 participants16 studies pooledCardiovascular Support forMagnesium
  42. Magnesium and the risk of cardiovascular events: a meta-analysis of prospective cohort studies.
    Qu X; Jin F; Hao Y; Li H; Tang T; Wang H; Yan W; Dai K · PloS one · 2013
    Meta-analysis532,979 participants19 studies pooledCardiovascular Support forMagnesium
  43. Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies.
    Zhao L; Hu M; Yang L; Xu H; Song W; Qian Y; Zhao M · Journal of cardiovascular pharmacology · 2020
    Meta-analysis544,581 participants18 studies pooledCardiovascular Support forMagnesium
  44. Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
    Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
    Meta-analysisCardiovascular Support forMagnesium Cardiovascular Support forVitamin D
  45. Serum magnesium, mortality, and cardiovascular disease in chronic kidney disease and end-stage renal disease patients: a systematic review and meta-analysis.
    Xiong J; He T; Wang M; Nie L; Zhang Y; Wang Y; Huang Y; Feng B; Zhang J; Zhao J · Journal of nephrology · 2020
    Meta-analysis200,934 participants20 studies pooledCardiovascular Support forMagnesium
  46. A Randomized Trial of Vitamin D Supplementation on Vascular Function in CKD.
    Kumar V; Yadav AK; Lal A; Kumar V; Singhal M; Billot L; Gupta KL; Banerjee D; Jha V · Journal of the American Society of Nephrology : JASN · 2017
    Randomized trial120 participantsCardiovascular Support forVitamin D
  47. Randomized, placebo-controlled, double-blind clinical trial on the contributions of vitamin D in the control of cardiovascular risk factors, depressive symptoms and suicide risk.
    Porto C; Petribu K; Barbosa N; Magalhães R; Lira C; Porto AB; Markman-Filho B; Lordsleem A; Calado E; Magalhães J; Sougey E; Silva T; Junio A; Bandeira F; Leão R · American heart journal plus : cardiology research and practice · 2025
    Randomized trial224 participantsCardiovascular Support forVitamin D
  48. Dose responses of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency: A placebo controlled randomized trial.
    Raed A; Bhagatwala J; Zhu H; Pollock NK; Parikh SJ; Huang Y; Havens R; Kotak I; Guo DH; Dong Y · PloS one · 2017
    Randomized trial70 participantsCardiovascular Support forVitamin D
  49. Paricalcitol and endothelial function in chronic kidney disease trial.
    Zoccali C; Curatola G; Panuccio V; Tripepi R; Pizzini P; Versace M; Bolignano D; Cutrupi S; Politi R; Tripepi G; Ghiadoni L; Thadhani R; Mallamaci F · Hypertension (Dallas, Tex. : 1979) · 2015
    Randomized trial88 participantsCardiovascular Support forVitamin D
  50. Magnesium sulphate for women at risk of preterm birth for neuroprotection of the fetus.
    Doyle LW; Crowther CA; Middleton P; Marret S; Rouse D · The Cochrane database of systematic reviews · 2009
    Meta-analysis6,145 participants5 studies pooledCognitive Support forMagnesium
  51. Effects of magnesium valproate adjuvant therapy on patients with dementia: A systematic review and meta-analysis.
    Zhang C; Sun L; Sun H · Medicine · 2022
    Meta-analysis1,899 participants22 studies pooledCognitive Support forMagnesium
  52. Effects of magnesium supplementation on serum brain-derived neurotrophic factor levels and cognitive function in patients undergoing fluoxetine therapy for depression.
    Noor NJ; Syamsuddin S; Liaury K; Tawali S; Idris I; Azis I; Lisal ST · East Asian archives of psychiatry : official journal of the Hong Kong College of Psychiatrists = Dong Ya jing shen ke xue zhi : Xianggang jing shen ke yi xue yuan qi kan · 2026
    Randomized trial40 participantsCognitive Support forMagnesium
  53. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsCognitive Support Energy forMagnesium
  54. Could intraoperative magnesium sulphate protect against postoperative cognitive dysfunction?
    Hassan WF; Tawfik MH; Nabil TM; Abd Elkareem RM · Minerva anestesiologica · 2021
    Randomized trial80 participantsCognitive Support forMagnesium
  55. Evidence-based efficacy of adaptogens in fatigue, and molecular mechanisms related to their stress-protective activity.
    Panossian A; Wikman G · Current clinical pharmacology · 2009
    Narrative reviewCognitive Support Mental Focus forRhodiola
  56. Central additive effect of Ginkgo biloba and Rhodiola rosea on psychomotor vigilance task and short-term working memory accuracy.
    Al-Kuraishy HM · Journal of intercultural ethnopharmacology · 2016
    Clinical trial112 participantsCognitive Support forRhodiola
  57. Dose-response effect of L-theanine on psychomotor speed, sustained attention, and inhibitory control: a double-blind, placebo-controlled, crossover study.
    Dassanayake TL; Wijesundara D; Kahathuduwa CN; Weerasinghe VS · Nutritional neuroscience · 2023
    Randomized trial32 participantsCognitive Support forTheanine
  58. Acute effects of theanine, caffeine and theanine-caffeine combination on attention.
    Kahathuduwa CN; Dassanayake TL; Amarakoon AMT; Weerasinghe VS · Nutritional neuroscience · 2018
    Clinical trial20 participantsCognitive Support Mental Focus forTheanine
  59. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  60. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  61. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  62. The Effect of Short-Term Rhodiola rosea Supplementation on Simulated Game Time, Perceived Fatigue, and Performance in Basketball Players.
    Wang J; Zhao H; Yu L; Zhao K; Jiang W; Liu S; Dai J; Xu L; Sun P; Yun H; Liu C · Nutrients · 2025
    Randomized trial48 participantsEnergy forRhodiola
  63. Effects of Rhodiola rosea on Physical and Decision-Making Performance in Football Players: A Randomised Controlled Trial.
    Dou Y; Wang Y; Zhang W; Jiang Y; Zhang J; Yang T; Han Z; Li Y; Liu C; Ren D · Nutrients · 2026
    Randomized trial24 participantsEnergy Mental Focus forRhodiola
  64. Combined Effects of Rhodiola Rosea and Caffeine Supplementation on Straight Punch Explosive Power in Untrained and Trained Boxing Volunteers: A Synergistic Approach.
    Tao B; Sun H; Li H; Xu Z; Xu Y; Chen L; Ma C; Zhang X; Yu L; Bao S; Liu C · Metabolites · 2025
    Randomized trial96 participantsEnergy forRhodiola
  65. Combined Rhodiola rosea and eccentric training boost endurance performance and lower-limb reactive strength in recreationally active women.
    Wang IL; Su Y; Zhang L; Tang M; Chen YM · Frontiers in physiology · 2025
    Randomized trial30 participantsEnergy forRhodiola
  66. Parenteral Nutrition Containing Fish Oil for Hospitalized Non-Intensive Care Unit (ICU) Patients: A Systematic Review, Meta-Analysis, and Cost-Effectiveness Analysis.
    Pradelli L; Heller AR; Klek S; Mayer K; Rosenthal MD; Muscaritoli M · Nutrients · 2025
    Meta-analysis29 studies pooledGeneral Health forFish Oil
  67. Effects of fish oil during hemodialysis on nutritional status and quality of life: a randomized double-blinded trial.
    Zhang C; Ge C; Wang J; Sun D · Food & nutrition research · 2022
    Randomized trial103 participantsGeneral Health forFish Oil
  68. The effects of fish oil plus vitamin D3 intervention on non-alcoholic fatty liver disease: a randomized controlled trial.
    Guo XF; Wang C; Yang T; Ma WJ; Zhai J; Zhao T; Xu TC; Li J; Liu H; Sinclair AJ; Li D · European journal of nutrition · 2022
    Randomized trial111 participantsGeneral Health forFish Oil
  69. Circulating Docosahexaenoic Acid and Risk of All-Cause and Cause-Specific Mortality.
    O'Keefe EL; O'Keefe JH; Tintle NL; Westra J; Albuisson L; Harris WS · Mayo Clinic proceedings · 2024
    Meta-analysis117,702 participants17 studies pooledGeneral Health forFish Oil
  70. Omega-3 dietary supplements and the risk of cardiovascular events: a systematic review.
    Marik PE; Varon J · Clinical cardiology · 2010
    Meta-analysis39,044 participants11 studies pooledGeneral Health forFish Oil
  71. Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
    De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
    Meta-analysis1,257 participants20 studies pooledGeneral Health forMagnesium
  72. Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
    Woods KL; Fletcher S · Lancet (London, England) · 1994
    Randomized trial2,316 participantsGeneral Health forMagnesium
  73. Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
    Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
    Cohort study10,999 participantsGeneral Health forMagnesium
  74. Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
    Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
    Cohort study9,359 participantsGeneral Health forMagnesium
  75. The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
    Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
    Randomized trial64 participantsGeneral Health forMagnesium
  76. Actaea racemosa L. Is More Effective in Combination with Rhodiola rosea L. for Relief of Menopausal Symptoms: A Randomized, Double-Blind, Placebo-Controlled Study.
    Pkhaladze L; Davidova N; Khomasuridze A; Shengelia R; Panossian AG · Pharmaceuticals (Basel, Switzerland) · 2024
    Randomized trial220 participantsGeneral Health forRhodiola
  77. A double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea SHR-5 extract on the fatigue of students caused by stress during an examination period with a repeated low-dose regimen.
    Spasov AA; Wikman GK; Mandrikov VB; Mironova IA; Neumoin VV · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2000
    Randomized trialGeneral Health Productivity Boost forRhodiola
  78. [The effect of the preparation rodakson on the psychophysiological and physical adaptation of students to an academic load].
    Spasov AA; Mandrikov VB; Mironova IA · Eksperimental'naia i klinicheskaia farmakologiia · 2000
    Clinical trialGeneral Health forRhodiola
  79. Vitamin D supplementation for prevention of mortality in adults.
    Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
    Meta-analysis95,286 participants159 studies pooledGeneral Health forVitamin D
  80. Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
    Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
    Randomized trial90 participantsGeneral Health forVitamin D
  81. The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
    Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
    Meta-analysis2,495 participants19 studies pooledGeneral Health forVitamin D
  82. Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
    Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
    Systematic review84 studies pooledGeneral Health forVitamin D
  83. Meta-analysis of long-term vitamin D supplementation on overall mortality.
    Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
    Meta-analysis42 studies pooledGeneral Health forVitamin D
  84. Relationship between Whole-Blood Magnesium and Cognitive Performance among Chinese Adults.
    Lu Z; He R; Zhang Y; Li B; Li F; Fu Y; Rong S · Nutrients · 2023
    Cross-sectional study1,006 participantsMental Focus forMagnesium
  85. Serum Magnesium and Cognitive Function Among Qatari Adults.
    Al-Ghazali K; Eltayeb S; Musleh A; Al-Abdi T; Ganji V; Shi Z · Frontiers in aging neuroscience · 2020
    Cross-sectional study1,000 participantsMental Focus forMagnesium
  86. Magnesium status and attention deficit hyperactivity disorder (ADHD): A meta-analysis.
    Effatpanah M; Rezaei M; Effatpanah H; Effatpanah Z; Varkaneh HK; Mousavi SM; Fatahi S; Rinaldi G; Hashemi R · Psychiatry research · 2019
    Meta-analysisMental Focus forMagnesium
  87. The effect of vitamin D and magnesium supplementation on the mental health status of attention-deficit hyperactive children: a randomized controlled trial.
    Hemamy M; Pahlavani N; Amanollahi A; Islam SMS; McVicar J; Askari G; Malekahmadi M · BMC pediatrics · 2021
    Randomized trial33 participantsMental Focus forMagnesium
  88. The effects of magnesium L-threonate (Magtein®) on cognitive performance and sleep quality in adults: a randomised, double-blind, placebo-controlled trial.
    Lopresti AL; Smith SJ · Frontiers in nutrition · 2026
    Randomized trial100 participantsMental Focus forMagnesium
  89. Safety and Efficacy of AlphaWave® L-Theanine Supplementation for 28 Days in Healthy Adults with Moderate Stress: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Moulin M; Crowley DC; Xiong L; Guthrie N; Lewis ED · Neurology and therapy · 2024
    Randomized trial30 participantsMental Focus Productivity Boost Stress Relief forTheanine
  90. Effect of L-theanine on selective attention in a traffic-related reaction task in sleep-deprived young adults: a double-blind placebo-controlled, crossover study.
    Karunaratne UW; Dassanayake TL · Nutritional neuroscience · 2025
    Randomized trial24 participantsMental Focus forTheanine
  91. Elevated intakes of supplemental chromium improve glucose and insulin variables in individuals with type 2 diabetes.
    Anderson RA; Cheng N; Bryden NA; Polansky MM; Cheng N; Chi J; Feng J · Diabetes · 1997
    Randomized trial180 participantsMetabolism Boost forChromium
  92. Chromium Supplementation and the Effects on Metabolic Status in Women with Polycystic Ovary Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Jamilian M; Asemi Z · Annals of nutrition & metabolism · 2016
    Randomized trial64 participantsMetabolism Boost forChromium
  93. A Comprehensive insight into the effect of chromium supplementation on oxidative stress indices in diabetes mellitus: A systematic review.
    Kooshki F; Tutunchi H; Vajdi M; Karimi A; Niazkar HR; Shoorei H; Pourghassem Gargari B · Clinical and experimental pharmacology & physiology · 2024
    Systematic review33 studies pooledMetabolism Boost forChromium
  94. Comparison of nutritional supplements in improving glycolipid metabolism and endocrine function in polycystic ovary syndrome: a systematic review and network meta-analysis.
    Hu X; Wang W; Su X; Peng H; Tan Z; Li Y; Huang Y · PeerJ · 2023
    Meta-analysis2,362 participants41 studies pooledMetabolism Boost forChromium
  95. [Chromium supplementation in patients with type 2 diabetes and high risk of type 2 diabetes: a meta-analysis of randomized controlled trials].
    San Mauro-Martin I; Ruiz-León AM; Camina-Martín MA; Garicano-Vilar E; Collado-Yurrita L; Mateo-Silleras Bd; Redondo Del Río Mde P · Nutricion hospitalaria · 2017
    Meta-analysis13 studies pooledMetabolism Boost forChromium
  96. Association of magnesium consumption with type 2 diabetes and glucose metabolism: A systematic review and pooled study with trial sequential analysis.
    Zhao B; Deng H; Li B; Chen L; Zou F; Hu L; Wei Y; Zhang W · Diabetes/metabolism research and reviews · 2021
    Meta-analysis1,168 participants26 studies pooledMetabolism Boost forMagnesium
  97. Magnesium supplementation for glycemic status in women with gestational diabetes: a systematic review and meta-analysis.
    Tan X; Huang Y · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2022
    Meta-analysis4 studies pooledMetabolism Boost forMagnesium
  98. Impact of oral magnesium supplementation on glycemic and cardiometabolic outcomes in prediabetic adults: a systematic review and meta-analysis.
    Basit A; Kumar S; Ahmed H; Babar R; Saeed SS; Siddiqui TA; Khan S; Saeed A; Khan M; Hanif H; Fasih A; Shabbir S; Kumar H; Kumar L; Raja A; Kumar S; Chander S · Journal of diabetes and metabolic disorders · 2026
    Meta-analysis384 participants5 studies pooledMetabolism Boost forMagnesium
  99. Oral magnesium supplementation improves insulin sensitivity and metabolic control in type 2 diabetic subjects: a randomized double-blind controlled trial.
    Rodríguez-Morán M; Guerrero-Romero F · Diabetes care · 2003
    Randomized trial63 participantsMetabolism Boost forMagnesium
  100. Magnesium Supplementation and the Effects on Wound Healing and Metabolic Status in Patients with Diabetic Foot Ulcer: a Randomized, Double-Blind, Placebo-Controlled Trial.
    Razzaghi R; Pidar F; Momen-Heravi M; Bahmani F; Akbari H; Asemi Z · Biological trace element research · 2018
    Randomized trial70 participantsMetabolism Boost forMagnesium
  101. Protective role of antioxidant supplementation for depression and anxiety: A meta-analysis of randomized clinical trials.
    Wang H; Jin M; Xie M; Yang Y; Xue F; Li W; Zhang M; Li Z; Li X; Jia N; Liu Y; Cui X; Hu G; Dong L; Wang G; Yu Q · Journal of affective disorders · 2023
    Meta-analysis4,049 participants52 studies pooledMood Support forMagnesium
  102. Role of magnesium supplementation in the treatment of depression: A randomized clinical trial.
    Tarleton EK; Littenberg B; MacLean CD; Kennedy AG; Daley C · PloS one · 2017
    Randomized trial126 participantsMood Support forMagnesium
  103. Magnesium supplementation as an adjunct to fluoxetine therapy for depression.
    Walyddaini AS; Lisal ST; Ilhamuddin; Zainuddin AA; Tanra AJ; Widianingsih Y; Syamsuddin S · East Asian archives of psychiatry : official journal of the Hong Kong College of Psychiatrists = Dong Ya jing shen ke xue zhi : Xianggang jing shen ke yi xue yuan qi kan · 2026
    Randomized trial40 participantsMood Support forMagnesium
  104. The effects of magnesium supplementation on serum level of brain derived neurotrophic factor (BDNF) and depression status in patients with depression.
    Afsharfar M; Shahraki M; Shakiba M; Asbaghi O; Dashipour A · Clinical nutrition ESPEN · 2021
    Randomized trial46 participantsMood Support forMagnesium
  105. Dietary magnesium intake and risk of depression.
    Sun C; Wang R; Li Z; Zhang D · Journal of affective disorders · 2019
    Cross-sectional study17,730 participantsMood Support forMagnesium
  106. The Effect of Acute Rhodiola rosea Ingestion on Exercise Heart Rate, Substrate Utilisation, Mood State, and Perceptions of Exertion, Arousal, and Pleasure/Displeasure in Active Men.
    Duncan MJ; Clarke ND · Journal of sports medicine (Hindawi Publishing Corporation) · 2015
    Clinical trial10 participantsMood Support forRhodiola
  107. Medicinal Plants in the Treatment of Depression. II: Evidence from Clinical Trials.
    Moragrega I; Ríos JL · Planta medica · 2022
    Systematic reviewMood Support forRhodiola
  108. Multicenter, open-label, exploratory clinical trial with Rhodiola rosea extract in patients suffering from burnout symptoms.
    Kasper S; Dienel A · Neuropsychiatric disease and treatment · 2020
    Single-arm trial118 participantsMood Support forRhodiola
  109. l-theanine adjunct to sertraline for major depressive disorder: A randomized, double-blind, placebo-controlled clinical trial.
    Shamabadi A; Kafi F; Arab Bafrani M; Asadigandomani H; A Basti F; Akhondzadeh S · Journal of affective disorders · 2023
    Randomized trial60 participantsMood Support forTheanine
  110. L-theanine relieves positive, activation, and anxiety symptoms in patients with schizophrenia and schizoaffective disorder: an 8-week, randomized, double-blind, placebo-controlled, 2-center study.
    Ritsner MS; Miodownik C; Ratner Y; Shleifer T; Mar M; Pintov L; Lerner V · The Journal of clinical psychiatry · 2011
    Randomized trial60 participantsMood Support Stress Relief forTheanine
  111. The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review.
    Williams JL; Everett JM; D'Cunha NM; Sergi D; Georgousopoulou EN; Keegan RJ; McKune AJ; Mellor DD; Anstice N; Naumovski N · Plant foods for human nutrition (Dordrecht, Netherlands) · 2020
    Systematic review9 studies pooledMood Support forTheanine
  112. Comparison of the effects of two amino acids, Gamma-aminobutyric acid (GABA) and L-theanine, on sedation, anxiety, and cognition in preoperative surgical patients - A randomized controlled study.
    Deshpande SS; Kurdi M; Baiju A; Athira AS; Sarasamma AG; Gangadharan AK · Journal of anaesthesiology, clinical pharmacology · 2025
    Randomized trial168 participantsMood Support Stress Relief forTheanine
  113. Anti-stress effect of theanine on students during pharmacy practice: positive correlation among salivary α-amylase activity, trait anxiety and subjective stress.
    Unno K; Tanida N; Ishii N; Yamamoto H; Iguchi K; Hoshino M; Takeda A; Ozawa H; Ohkubo T; Juneja LR; Yamada H · Pharmacology, biochemistry, and behavior · 2014
    Randomized trial20 participantsMood Support forTheanine
  114. The Effectiveness of Rhodiola rosea L. Preparations in Alleviating Various Aspects of Life-Stress Symptoms and Stress-Induced Conditions-Encouraging Clinical Evidence.
    Ivanova Stojcheva E; Quintela JC · Molecules (Basel, Switzerland) · 2022
    Narrative reviewProductivity Boost Stress Relief forRhodiola
  115. Cognitive and affective effects of L-Theanine: a systematic review and meta-analysis of 31 randomized trials.
    Gerolymos C; Saddier E; Boyer L; Fond G · Molecular psychiatry · 2026
    Meta-analysis1,168 participants31 studies pooledProductivity Boost forTheanine
  116. Effects of L-theanine on cognition, mood and sleep: evidence from human trials.
    Cotter J; Kilpatrick HE · Frontiers in nutrition · 2026
    Narrative reviewProductivity Boost forTheanine
  117. Time for tea: mood, blood pressure and cognitive performance effects of caffeine and theanine administered alone and together.
    Rogers PJ; Smith JE; Heatherley SV; Pleydell-Pearce CW · Psychopharmacology · 2008
    Randomized trial48 participantsProductivity Boost forTheanine
  118. Stress management and the role of Rhodiola rosea: a review.
    Anghelescu IG; Edwards D; Seifritz E; Kasper S · International journal of psychiatry in clinical practice · 2019
    Narrative reviewStress Relief forRhodiola
  119. Plant-based medicines for anxiety disorders, part 2: a review of clinical studies with supporting preclinical evidence.
    Sarris J; McIntyre E; Camfield DA · CNS drugs · 2013
    Narrative reviewStress Relief forRhodiola