Product Image

Stress Support

Zoi Research
4.6
★ ★ ★ ★ ★
(2910 ratings)
Theanine 100 mg
Vitamin B6 25 mg
Vitamin B5 250 mg
Thiamin 25 mg
Choline 25 mg
Biotin 300 mcg
Riboflavin 25 mg
Product Image
Score67
A better-value version of the same theanine and high-B formula, still limited by opaque blends and weak adaptogen depth.
How scoring works
Quantity:180 Capsule(s) • (90 servings)
Goals:
Stress Relief
Mood Support
Productivity Boost
Energy
Mental Focus

Score 67

A better-value version of the same theanine and high-B formula, still limited by opaque blends and weak adaptogen depth.
How scoring works

Also available as

1 option
60 servings 2 Capsule(s) • 60 Capsule(s) • 30 servings $11.81 ($0.39 per serving)
$30.96($0.34 per serving)
iHerb
$ 30.96
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Analysis

The formula provides a practical L-theanine amount alongside methylcobalamin, zinc, and a broad B-complex. Its larger serving supply improves value without changing the underlying active design.

Ashwagandha is low and lacks withanolide standardization, while choline is too small for meaningful stand-alone support. Proprietary stress and absorption blends prevent a full assessment of what else contributes to the formula.

Several B vitamins are supplied at high amounts, and the riboflavin form is not disclosed. It fits users wanting a potent B-complex plus theanine better than those seeking a focused, transparent adaptogen formula.

Who is it for
  • Adults seeking theanine with B vitamins
  • Users wanting a larger supply
  • People comfortable with proprietary blends
Best for
  • Theanine-centered calm focus
  • Broad B-complex use
  • Longer-supply stress routines

Pros

  • Meaningful L-theanine serving
  • Includes active-form B12
  • Larger package improves practical value

Cons

  • Proprietary blends hide composition details
  • Ashwagandha and choline are weakly dosed
  • High B-vitamin amounts reduce balance

Nutrient quality

73 High impact

The main nutrients and calming actives fit stress support well. Proprietary blends and lightly dosed companions add substantial padding.

Ingredient transparency

54 Moderate impact

Capsule and serving counts indicate a two-capsule serving. The stress and absorption blends hide component-level doses.

Customer satisfaction

69 High impact

Feedback volume is substantial enough to stabilize the aggregate signal. No complaint text is supplied, so repeated negative themes cannot be assessed.

Value for money

76 High impact

The larger package delivers broad support at a very low relative cost per serving. Opaque blends and token additions add limited assessable value.

Report analysis

Goals

Stress Relief
Stress Relief
Impact
High effect
B+ Goal FitC Strength of SupportB- CoverageB- Formula Quality
Ashwagandha · 50 mgFolate · 666 mcg DFEVitamin B12 · 100 mcgVitamin B6 · 25 mgTheanine · 100 mg

L-theanine provides a practical calming amount, while high-dose B5 and other B vitamins support metabolic resilience. Ashwagandha adds an adaptogen pathway but is only lightly dosed.

Two proprietary blends prevent a full assessment of the formula, and the disclosed ashwagandha amount is below a strong targeted level. The result is a useful theanine-centered product with weaker adaptogen depth.

Study evidence
Ashwagandha Supportive 47 studies
Theanine Supportive 16 studies
Mood Support
Mood Support
Impact
High effect
B- Goal FitC Strength of SupportB- CoverageB- Formula Quality
Folate · 666 mcg DFEVitamin B6 · 25 mgVitamin B12 · 100 mcgAshwagandha · 50 mg

L-theanine, ashwagandha, methylcobalamin, and B vitamins give the formula clear stress and mood relevance. L-theanine provides the strongest direct calming support.

Ashwagandha is far below common studied extract amounts and lacks standardization, while two proprietary blends reduce transparency. It is a sensible stress formula with moderate depth rather than comprehensive mood coverage.

Study evidence
Ashwagandha Supportive 29 studies
Theanine Supportive 12 studies
Productivity Boost
Productivity Boost
Impact
High effect
B- Goal FitC Strength of SupportC CoverageB- Formula Quality
Vitamin B12 · 100 mcgVitamin B12 · 100 mcgVitamin B6 · 25 mgZinc · 15 mgTheanine · 100 mg

L-theanine and ashwagandha target calm attention and stress-related fatigue within a supportive B-vitamin base. L-theanine reaches 100 mg, but ashwagandha is limited to 50 mg and choline to 25 mg.

The formula covers calm focus, stress response, and nutritional energy support. Theanine provides useful depth, but the adaptogen and choline contributions are light.

Study evidence
Ashwagandha Supportive 6 studies
Theanine Supportive 5 studies
Energy
Energy
Impact
High effect
B Goal FitC Strength of SupportC CoverageC+ Formula Quality
Vitamin B5 · 250 mgRiboflavin · 25 mgThiamin · 25 mgVitamin B12 · 100 mcg

High-dose B vitamins and L-theanine support metabolic function and calm focus without relying on stimulants. The ashwagandha amount is modest, so the formula fits stress resilience better than direct energy enhancement.

Two proprietary blends hide individual ingredients and doses, limiting confidence in the broader effect. People using sedatives may experience added drowsiness from L-theanine and ashwagandha.

Study evidence
Ashwagandha Supportive 9 studies
Theanine Not classified

No linked studies yet.

Mental Focus
Mental Focus
Impact
High effect
C+ Goal FitC Strength of SupportC CoverageB Formula Quality
Choline · 25 mgFolate · 666 mcg DFEVitamin B6 · 25 mgVitamin B12 · 100 mcgTheanine · 100 mg

A useful L-theanine amount may support calm attention, especially when distraction is linked to tension. B vitamins provide foundational support, but the small ashwagandha and choline amounts add little direct cognitive depth.

The label is clear and the two-capsule serving is practical. The absence of an alertness ingredient or substantial neurotransmitter precursor makes the formula better suited to easing stress than sharpening demanding mental performance.

Study evidence
Ashwagandha Supportive 12 studies
Choline Supportive 22 studies
Theanine Supportive 19 studies
Brain Health
Brain Health
Impact
Moderate effect
B- Goal FitC- Strength of SupportC+ CoverageC Formula Quality
Folate · 666 mcg DFEVitamin B12 · 100 mcgVitamin B6 · 25 mgThiamin · 25 mgAshwagandha · 50 mg

L-theanine at 100 mg offers the clearest brain-health support by promoting calm focus, while thiamine and other B vitamins help maintain normal energy metabolism. The ashwagandha amount is small and lacks withanolide standardization, so its contribution to stress resilience is uncertain.

The broad nutrient base may suit someone seeking stress support with a modest cognitive angle. Hidden stress and absorption blends, low choline, and limited botanical standardization make the formula less convincing as a complete brain-health option.

Study evidence
Ashwagandha Supportive 12 studies
Theanine Supportive 17 studies

Ingredients

IngredientAmount per serving
Thiamine (Thiamine Hydrochloride)
 25 mg
Riboflavin
25 mg
Niacin (Niacinamide)
 100 mg NE
Vitamin B6 (Pyridoxine Hydrochloride)
 25 mg
Folate
666 mcg DFE
Vitamin B12 (Methylcobalamin)
 100 mcg
Biotin
300 mcg
Pantothenic Acid (Calcium D-Pantothenate)
 250 mg
Choline (Choline Bitartrate)
 25 mg
Zinc (Zinc Picolinate)
 15 mg
Proprietary Stress Blend
300 mg
L-Theanine
100 mg
Ashwagandha root & leaf extract
50 mg
Proprietary Absorption Blend
23 mg
Adults 18–50 Dairy Free
Report overview
Theanine · 100 mg OverallScore88
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

L-theanine is named in the active L-isomer form, which is the form relevant to the collection. The clearly stated 100 mg serving sits in the preferred range for relaxation and focused attention. No branded source or purity standard is provided. Its cost per useful amount is competitive.

View ingredientView products
Vitamin B6 (Pyridoxine Hydrochloride) · 25 mg OverallScore85
C Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The 25 mg dose is appropriately targeted and comes with riboflavin that may support activation of pyridoxine hydrochloride. P-5-P is absent, so the B6 still requires metabolic conversion. Broad formula coverage and a practical two-capsule serving provide strong value.

View ingredientView products
Vitamin B5 (Calcium D-Pantothenate) · 250 mg OverallScore70
B Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

Calcium D-pantothenate offers a well-absorbed standard form at a strong support dose. Source and active amount are clearly disclosed, though excipient purity cannot be checked from the supplied label data. Cost efficiency remains limited when normalized to a high-potency amount.

View ingredientView products
Loading alternative details
85 Performance

BioCoenzymated Active B Complex

Natural Factors
<p>Active forms of thiamine, riboflavin, B6, folate, and B12 create a more refined and fully measured B-complex. The formula is more balanced than the original nutrient base but does not provide theanine, ashwagandha, or zinc for stress support.</p>
79 Performance

B Complex Plus

Seeking Health
<p>Active riboflavin, B6, and B12 forms improve ingredient quality and dose clarity compared with the original proprietary blends. The niacin declaration is ambiguous, and theanine, ashwagandha, and zinc are not included.</p>
78 Performance

Active B-Complex

Integrative Therapeutics
<p>Methylcobalamin, P-5-P, riboflavin phosphate, and substantial choline provide stronger active-form and nervous-system support. Vitamin B6 remains high, while the formula omits the original theanine, ashwagandha, and zinc.</p>
74 Budget

B-Complex '50'

Solgar
<p>Broad B-vitamin coverage provides a cheaper, fully measured energy-support option. Conventional forms and high pyridoxine remain limitations, while the original theanine, ashwagandha, zinc, and calming blends are omitted.</p>
77 Budget

B-50 Complex

Nature's Way
<p>Active riboflavin improves a broad B-complex at a much lower serving cost. Vitamin B6 remains high for long-term use, and the formula does not retain the original theanine, ashwagandha, or zinc.</p>
74 Budget

Super B-50

NaturesPlus
<p>Methylfolate, methylcobalamin, and broad B-vitamin coverage provide low-cost energy support with clearer doses. High pyridoxine remains a concern, while theanine, ashwagandha, zinc, and the original calming blend are absent.</p>
73 Value

B-Complex 50

The Vitamin Shoppe
<p>Methylcobalamin, biotin, and broad B-vitamin coverage offer strong serving value with clearer nutrient amounts. Pyridoxine remains high and the formula does not provide the original theanine, ashwagandha, or zinc.</p>
77 Value

Vitamin B Complex

California Gold Nutrition
<p>Active riboflavin and B6 plus broad B-vitamin coverage provide favorable value and better active-form quality. Duplicate nutrient entries make totals unclear, while the original theanine, ashwagandha, zinc, and calming blends are absent.</p>
76 Value

Megasorb B-Complex '50'

Solgar
<p>Active riboflavin, P-5-P, and pantethine improve form quality at a very low serving cost. Vitamin B6 remains aggressive for long-term use, and the formula omits the original theanine, ashwagandha, and zinc.</p>
Report alternatives

Sources

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

  1. 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 participantsStress Relief Mental Focus Productivity Boost forTheanine
  2. 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
  3. 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 participantsMental Focus Productivity Boost forTheanine
  4. 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 Sleep Support forTheanine
  5. Acute and Repeated Ashwagandha Supplementation Improves Markers of Cognitive Function and Mood.
    Leonard M; Dickerson B; Estes L; Gonzalez DE; Jenkins V; Johnson S; Xing D; Yoo C; Ko J; Purpura M; Jäger R; Faries M; Kephart W; Sowinski R; Rasmussen CJ; Kreider RB · Nutrients · 2024
    Randomized trial59 participantsBrain Health Cognitive Support Energy forAshwagandha
  6. Effect of ashwagandha (Withania somnifera) extract with Sominone (Somin-On™) to improve memory in adults with mild cognitive impairment: A randomized, double-blind, placebo-controlled study.
    Rai HP; Mishra DN · Journal of psychopharmacology (Oxford, England) · 2025
    Randomized trial40 participantsBrain Health Cognitive Support Mental Focus forAshwagandha
  7. Efficacy of Withania somnifera supplementation on adult's cognition and mood.
    Remenapp A; Coyle K; Orange T; Lynch T; Hooper D; Hooper S; Conway K; Hausenblas HA · Journal of Ayurveda and integrative medicine · 2022
    Randomized trial60 participantsBrain Health Cognitive Support Productivity Boost forAshwagandha
  8. A clinical assessment of the therapeutic effects of Ashwagandha root extract on cognitive performance, sleep, and fatigue in children aged 6-12 years.
    Saxena A; Lopresti A; Sharif M; Elon N; Suri R; Langade DK · Frontiers in nutrition · 2026
    Randomized trial85 participantsBrain Health Mental Focus forAshwagandha
  9. Efficacy and Safety of Ashwagandha Root Extract on Cognitive Functions in Healthy, Stressed Adults: A Randomized, Double-Blind, Placebo-Controlled Study.
    Gopukumar K; Thanawala S; Somepalli V; Rao TSS; Thamatam VB; Chauhan S · Evidence-based complementary and alternative medicine : eCAM · 2022
    Randomized trial130 participantsBrain Health Sleep Support Stress Relief forAshwagandha
  10. 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 participantsBrain Health Cognitive Support Sleep Support forTheanine
  11. 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
  12. 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 pooledBrain Health Cognitive Support Mental Focus forTheanine
  13. 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
  14. 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
  15. A standardized Ashwagandha root extract alleviates stress, anxiety, and improves quality of life in healthy adults by modulating stress hormones: Results from a randomized, double-blind, placebo-controlled study.
    Majeed M; Nagabhushanam K; Mundkur L · Medicine · 2023
    Randomized trial54 participantsCognitive Support Mental Focus forAshwagandha
  16. Efficacy and safety of ashwagandha root extract in children and adolescents with mild attention-deficit/hyperactivity disorder: a randomized, double-blind, placebo-controlled trial.
    Naik S; Muralidhar G; Rao BS; Agarwal S; Jain M · Journal of medicine and life · 2026
    Randomized trial58 participantsCognitive Support Mental Focus forAshwagandha
  17. Cognitive improvement in mild to moderate Alzheimer's dementia after treatment with the acetylcholine precursor choline alfoscerate: a multicenter, double-blind, randomized, placebo-controlled trial.
    De Jesus Moreno Moreno M · Clinical therapeutics · 2003
    Randomized trial261 participantsCognitive Support forCholine
  18. Association of dietary choline intake with incidence of dementia, Alzheimer disease, and mild cognitive impairment: a large population-based prospective cohort study.
    Niu YY; Yan HY; Zhong JF; Diao ZQ; Li J; Li CP; Chen LH; Huang WQ; Xu M; Xu ZT; Liang XF; Li ZH; Liu D · The American journal of clinical nutrition · 2025
    Cohort study125,594 participantsCognitive Support forCholine
  19. Choline intake during pregnancy and child cognition at age 7 years.
    Boeke CE; Gillman MW; Hughes MD; Rifas-Shiman SL; Villamor E; Oken E · American journal of epidemiology · 2013
    Cohort study895 participantsCognitive Support forCholine
  20. Effects of choline alfoscerate on cognitive function and quality of life in type 2 diabetes: A double-blind, randomized, placebo-controlled trial.
    Sohn M; Park YH; Lim S · Diabetes, obesity & metabolism · 2025
    Randomized trial36 participantsCognitive Support forCholine
  21. Maternal choline supplementation mitigates alcohol exposure effects on neonatal brain volumes.
    Warton FL; Molteno CD; Warton CMR; Wintermark P; Lindinger NM; Dodge NC; Zöllei L; van der Kouwe AJW; Carter RC; Jacobson JL; Jacobson SW; Meintjes EM · Alcoholism, clinical and experimental research · 2022
    Randomized trial52 participantsCognitive Support forCholine
  22. 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
  23. 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
  24. Efficacy of Zinc Supplement in Minimal hepatic Encephalopathy: A prospective, Randomized Controlled Study (Zinc-MHE Trial).
    Janyajirawong R; Vilaichone RK; Sethasine S · Asian Pacific journal of cancer prevention : APJCP · 2021
    Randomized trial69 participantsCognitive Support forZinc
  25. Effects of zinc supplementation on parent and teacher behaviour rating scores in low socioeconomic level Turkish primary school children.
    Uçkardeş Y; Ozmert EN; Unal F; Yurdakök K · Acta paediatrica (Oslo, Norway : 1992) · 2009
    Randomized trial226 participantsCognitive Support forZinc
  26. L-shaped association between dietary zinc intake and cognitive decline in Chinese older people.
    Meng Q; Liu M; Zu C; Su X; Wei Y; Gan X; Zhang Y; He P; Zhou C; Ye Z; Liu C; Qin X · Age and ageing · 2024
    Cohort study3,106 participantsCognitive Support forZinc
  27. The efficacy of zinc augmentation in children with attention deficit hyperactivity disorder under treatment with methylphenidate: A randomized controlled trial.
    Noorazar SG; Malek A; Aghaei SM; Yasamineh N; Kalejahi P · Asian journal of psychiatry · 2021
    Randomized trial60 participantsCognitive Support forZinc
  28. A preliminary report: effects of zinc and micronutrient repletion on growth and neuropsychological function of urban Chinese children.
    Penland JG; Sandstead HH; Alcock NW; Dayal HH; Chen XC; Li JS; Zhao F; Yang JJ · Journal of the American College of Nutrition · 1997
    Randomized trial372 participantsCognitive Support forZinc
  29. Effects of multi-herb and ashwagandha root formulas on stress modulation: a randomized, double-blind, placebo-controlled clinical study.
    McKinney E; Stewart J; Kewalramani R; Singh S · Trials · 2026
    Randomized trial186 participantsEnergy Mood Support forAshwagandha
  30. Efficacy and Safety of Low-Dose Ashwagandha Supplementation on Exercise Endurance: A Randomized, Placebo-Controlled, Double-Blind, Clinical Trial.
    Prajapati H; Satia M; Shah D; Basera I; Shah T · Phytotherapy research : PTR · 2026
    Randomized trialEnergy forAshwagandha
  31. Enhancing healthspan with Ashwagandha (Withania somnifera): a comprehensive review of its multifaceted geroprotective benefits.
    Vittal M; Vinciguerra M · Biogerontology · 2025
    Narrative reviewEnergy forAshwagandha
  32. Safety and Efficacy of Ashwagandha Root Extract on Cognition, Energy and Mood Problems in Adults: Prospective, Randomized, Placebo-Controlled Study.
    Kale S; Lopresti A; Suri R; Garg N; Langade D · Journal of psychoactive drugs · 2026
    Randomized trial120 participantsEnergy Productivity Boost forAshwagandha
  33. Efficacy and Safety of Ashwagandha (Withania somnifera (L.) Dunal) Root Extract in Improving Memory and Cognitive Functions.
    Choudhary D; Bhattacharyya S; Bose S · Journal of dietary supplements · 2018
    Randomized trial50 participantsMental Focus forAshwagandha
  34. Four-year follow-up of a randomized controlled trial of choline for neurodevelopment in fetal alcohol spectrum disorder.
    Wozniak JR; Fink BA; Fuglestad AJ; Eckerle JK; Boys CJ; Sandness KE; Radke JP; Miller NC; Lindgren C; Brearley AM; Zeisel SH; Georgieff MK · Journal of neurodevelopmental disorders · 2021
    Randomized trial31 participantsMental Focus forCholine
  35. The relation of dietary choline to cognitive performance and white-matter hyperintensity in the Framingham Offspring Cohort.
    Poly C; Massaro JM; Seshadri S; Wolf PA; Cho E; Krall E; Jacques PF; Au R · The American journal of clinical nutrition · 2012
    Cohort study1,391 participantsMental Focus forCholine
  36. Association between Maternal Choline, Fetal Brain Development, and Child Neurocognition: Systematic Review and Meta-Analysis of Human Studies.
    Obeid R; Derbyshire E; Schön C · Advances in nutrition (Bethesda, Md.) · 2022
    Meta-analysis30 studies pooledMental Focus forCholine
  37. Effect of Choline Supplementation on Neurological, Cognitive, and Behavioral Outcomes in Offspring Arising from Alcohol Exposure During Development: A Quantitative Systematic Review of Clinical and Preclinical Studies.
    Akison LK; Kuo J; Reid N; Boyd RN; Moritz KM · Alcoholism, clinical and experimental research · 2019
    Systematic reviewMental Focus forCholine
  38. Perinatal choline effects on neonatal pathophysiology related to later schizophrenia risk.
    Ross RG; Hunter SK; McCarthy L; Beuler J; Hutchison AK; Wagner BD; Leonard S; Stevens KE; Freedman R · The American journal of psychiatry · 2013
    Randomized trialMental Focus forCholine
  39. 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
  40. The effect of curcumin and zinc co-supplementation on glycemic parameters in overweight or obese prediabetic subjects: A phase 2 randomized, placebo-controlled trial with a multi-arm, parallel-group design.
    Karandish M; Mozaffari-Khosravi H; Mohammadi SM; Cheraghian B; Azhdari M · Phytotherapy research : PTR · 2021
    Randomized trial84 participantsMetabolism Boost forZinc
  41. Relationship between zinc and glucose metabolism in Japanese adults.
    Suka M; Tsuruta H; Takao T; Yanagisawa H · Diabetology international · 2026
    Cross-sectional study533 participantsMetabolism Boost forZinc
  42. Zinc and the Innovative Zinc-α2-Glycoprotein Adipokine Play an Important Role in Lipid Metabolism: A Critical Review.
    Banaszak M; Górna I; Przysławski J · Nutrients · 2021
    Narrative reviewMetabolism Boost forZinc
  43. Capsaicin and Zinc Signalling Pathways as Promising Targets for Managing Insulin Resistance and Type 2 Diabetes.
    Ferdowsi PV; Ahuja KDK; Beckett JM; Myers S · Molecules (Basel, Switzerland) · 2023
    Narrative reviewMetabolism Boost forZinc
  44. Zinc and Diabetes: A Connection between Micronutrient and Metabolism.
    Ahmad R; Shaju R; Atfi A; Razzaque MS · Cells · 2024
    Narrative reviewMetabolism Boost forZinc
  45. A proprietary herbal extract of ashwagandha root for stress and anxiety in healthy adults: a randomized, double-blind, three-arm, placebo-controlled efficacy and safety study.
    West RE; Biswas A; Rao R; Tayade H; Ademola J · Journal of medicine and life · 2026
    Randomized trial141 participantsMood Support forAshwagandha
  46. Safety and efficacy of Withania somnifera for anxiety and insomnia: Systematic review and meta-analysis.
    Fatima K; Malik J; Muskan F; Raza G; Waseem A; Shahid H; Jaffery SF; Khan U; Zaheer MK; Shaikh Y; Rashid AM · Human psychopharmacology · 2024
    Meta-analysis254 participants5 studies pooledMood Support forAshwagandha
  47. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults.
    Chandrasekhar K; Kapoor J; Anishetty S · Indian journal of psychological medicine · 2013
    Randomized trial64 participantsMood Support Stress Relief forAshwagandha
  48. Medicinal herbs for the treatment of anxiety: A systematic review and network meta-analysis.
    Zhang W; Yan Y; Wu Y; Yang H; Zhu P; Yan F; Zhao R; Tian P; Wang T; Fan Q; Su Z · Pharmacological research · 2022
    Meta-analysis29 participants29 studies pooledMood Support forAshwagandha
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis.
    Cheah KL; Norhayati MN; Husniati Yaacob L; Abdul Rahman R · PloS one · 2021
    Meta-analysis400 participants5 studies pooledProductivity Boost forAshwagandha
  55. Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients: A double-blind, randomized, parallel-group, placebo-controlled study.
    Langade D; Thakare V; Kanchi S; Kelgane S · Journal of ethnopharmacology · 2021
    Randomized trial80 participantsProductivity Boost Sleep Support forAshwagandha
  56. Effect of standardized aqueous extract of Withania somnifera on tests of cognitive and psychomotor performance in healthy human participants.
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