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ChildCalm Fruit Punch Flavor

Advanced Nutrition by Zahler
4.1
★ ★ ★ ★ ★
(3527 ratings)
Theanine 100 mg
Product Image
Score73
A broad child-focused blend uses branded theanine and saffron with lemon balm and magnesium. Strong ingredient coherence is offset by high cost and mixed magnesium quality.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
Stress Relief
Mood Support
Brain Health
Sleep Support
Mental Focus
Productivity Boost
Cognitive Support

Score 73

A broad child-focused blend uses branded theanine and saffron with lemon balm and magnesium. Strong ingredient coherence is offset by high cost and mixed magnesium quality.
How scoring works
$29.95($0.99 per serving)
Amazon
$ 29.95
Vitacost
$ 35.73
iHerb
$ 32.47
Pure Formulas
$ 32.47
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Analysis

Suntheanine, Affron saffron, lemon balm, and magnesium create a broad child-focused calming formula. The branded theanine and saffron plus meaningful lemon balm amount give the blend more depth than a single-active option.

Its strongest fit is stress relief and emotional steadiness when restlessness also affects focus or settling before bed. The blend is more calming than alerting and does not directly regulate circadian timing or support memory structure.

Two tablets per serving deliver several complementary actives but carry a high serving cost. Half of the listed magnesium comes from oxide, a less absorbable form that can be harder on digestion.

Who is it for
  • Children within the labeled age range
  • Families seeking multi-pathway calming support
  • Users who can follow the full two-tablet serving
Best for
  • Child-focused stress support
  • Calm mood and focus
  • Relaxation before bed

Pros

  • Branded Suntheanine
  • Branded Affron saffron
  • Meaningful lemon balm amount
  • Several complementary calming pathways

Cons

  • High serving cost
  • Two tablets per serving
  • Includes less-absorbable magnesium oxide
  • Not designed for alertness or memory

Warnings

  • Use only according to the label’s age-specific directions because the formula combines several calming actives.
  • Magnesium oxide can cause loose stools or stomach discomfort in sensitive children.

Nutrient quality

86 Highest impact

Branded Suntheanine provides a clearly identified L-theanine source. The L-theanine amount is practical for moderate daily support.

.

Ingredient transparency

83 Highest impact

Every supplied active ingredient has a specific amount. No proprietary blend hides a meaningful active dose.

.

Customer satisfaction

57 Moderate impact

The supplied aggregate rating is mixed, and no specific comments explain the result. The large rating count makes the aggregate result relatively stable.

.

Value for money

59 Moderate impact

Formula quality provides strong support for the product positioning. Dose-adjusted serving value appears weak, while opaque or lightly dosed additions reduce efficiency.

.
Report analysis

Goals

Stress Relief
Stress Relief
Impact
Highest effect
A- Goal FitA Strength of SupportA- CoverageA+ Formula Quality
Magnesium · 80 mgVitamin B6 · 1 mgTheanine · 100 mg

Branded L-theanine, lemon balm, and saffron provide well-aligned support for calm and emotional balance. Magnesium adds a foundational nervous-system pathway despite its modest amount and mixed forms.

The main calming actives are fully disclosed at meaningful amounts, with Suntheanine and Affron improving source quality. The formula covers several complementary pathways without obvious label dressing.

Study evidence
Magnesium Supportive 13 studies
Theanine Supportive 16 studies
Mood Support
Mood Support
Impact
Highest effect
A- Goal FitB+ Strength of SupportB+ CoverageA Formula Quality
Vitamin B6 · 1 mgMagnesium · 80 mg

Branded saffron, Suntheanine, lemon balm, magnesium, and vitamin B6 address stress response, calming, and neurotransmitter support. Saffron and theanine have relevant human evidence, while the magnesium amount is modest and partly supplied as oxide.

The formula is reasonably broad and uses meaningful branded botanical and amino-acid amounts. Its child-focused use makes adherence to the labeled age-specific serving especially important.

Study evidence
Magnesium Supportive 60 studies
Theanine Supportive 12 studies
Vitamin B6 Supportive 19 studies
Brain Health
Brain Health
Impact
Highest effect
B Goal FitB+ Strength of SupportB CoverageA- Formula Quality
Vitamin B6 · 1 mgMagnesium · 80 mg

Suntheanine, Affron saffron, lemon balm, and magnesium create a credible calm-focus formula. The ingredients are better suited to stress-related concentration than to memory or long-term neuronal structure.

Branded theanine and saffron strengthen quality, while mixed magnesium bisglycinate and oxide lower form consistency. The disclosed amounts are practical, though the magnesium contribution is modest.

Study evidence
Magnesium Supportive 86 studies
Theanine Supportive 17 studies
Sleep Support
Sleep Support
Impact
High effect
C+ Goal FitB Strength of SupportB+ CoverageA- Formula Quality
Magnesium · 80 mgTheanine · 100 mg

Theanine, lemon balm, magnesium, and saffron create a broad calming formula that may support settling before bed. The blend does not directly regulate circadian timing, so its sleep role is mainly through relaxation.

Theanine and lemon balm have useful disclosed amounts, while branded ingredients and magnesium bisglycinate improve formulation quality. Magnesium oxide is a weaker component, but the formula generally favors meaningful calming doses over token additions.

Study evidence
Magnesium Supportive 23 studies
Theanine Supportive 8 studies
Mental Focus
Mental Focus
Impact
High effect
C+ Goal FitA- Strength of SupportB- CoverageB+ Formula Quality
Vitamin B6 · 1 mgMagnesium · 80 mgTheanine · 100 mg

Branded L-theanine, saffron, lemon balm, and magnesium create a calm-focus formula suited to stress-related distraction. The ingredients favor emotional steadiness more than acute alertness.

The key botanical amounts are disclosed and generally meaningful, while magnesium includes both a well-absorbed chelate and poorly absorbed oxide. The formulation is coherent for calming support without excessive ingredient clutter.

Study evidence
Magnesium Supportive 6 studies
Theanine Supportive 19 studies
Productivity Boost
Productivity Boost
Impact
High effect
C Goal FitB Strength of SupportC- CoverageB+ Formula Quality
Vitamin B6 · 1 mgMagnesium · 80 mgTheanine · 100 mg

L-theanine, lemon balm, saffron, and magnesium may support calm attention when stress interferes with work. The blend is more calming than stimulating and may not improve acute alertness.

Theanine and saffron amounts are clearly stated, while magnesium combines a well-absorbed chelate with oxide. Effects may depend heavily on whether stress or restlessness is the main barrier to productivity.

Study evidence
Magnesium Supportive 10 studies
Theanine Supportive 5 studies
Vitamin B6 Disputed 6 studies
Cognitive Support
Cognitive Support
Impact
High effect
B- Goal FitB Strength of SupportD+ CoverageC+ Formula Quality
Vitamin B6 · 1 mgMagnesium · 80 mgTheanine · 100 mg

The formula may support attention or calm focus through stimulant, L-theanine, or stress-related pathways. Its usefulness depends on the exact active amounts and whether alertness or relaxation is the intended outcome.

It does not provide broad memory, membrane, or long-term neuroprotective support. Multi-ingredient versions also include several components with limited direct cognitive relevance.

Study evidence
Theanine Supportive 25 studies

Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
 1 mg
Magnesium (Magnesium Bisglycinate Chelate, Magnesium Oxide)
 80 mg
Lemon Balm leaf extract
200 mg
L-Theanine Suntheanine
100 mg
Affron (Saffron Stigma Extract)
 28 mg
Adults 18–50 Kosher Dairy Free Children 4+ Vegetarian
Report overview
Theanine · 100 mg OverallScore90
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

Suntheanine supplies a clearly identified L-theanine form at an amount well suited to calming and focus support. The precise label disclosure makes the active dose easy to assess. Branded saffron and lemon balm broaden the calming formula, but the cost per amount of L-theanine remains high.

View ingredientView products
Loading alternative details
87 Performance

L-Theanine 200 mg Double Strength

Swanson
<p>200 mg of clearly identified branded L-theanine gives the formula a clear and relevant foundation. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
85 Performance

L-Theanine 150 mg

Solgar
<p>150 mg of clearly identified branded L-theanine gives the formula a clear and relevant foundation. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
87 Performance

L-Theanine 100 mg

California Gold Nutrition
<p>100 mg of clearly identified branded L-theanine gives the formula a clear and relevant foundation. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
85 Budget

Double Strength L-Theanine 200 mg

NOW
<p>A lower serving cost comes with 200 mg of clearly stated l-theanine. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
84 Budget

L-Theanine 200 mg

Advance Physician Formulas
<p>A lower serving cost comes with 200 mg of clearly stated l-theanine. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
83 Budget

L-Theanine 100 mg

California Gold Nutrition
<p>A lower serving cost comes with 100 mg of clearly stated l-theanine. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
85 Value

L-Theanine 200 mg

California Gold Nutrition
<p>200 mg of clearly stated L-theanine is paired with favorable serving-level value in the supplied data. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
85 Value

L-Theanine 100 mg

NOW
<p>100 mg of clearly stated L-theanine is paired with favorable serving-level value in the supplied data. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
84 Value

Suntheanine L-Theanine 125 mg

Natural Factors Stress-Relax
<p>250 mg of clearly identified branded L-theanine is paired with favorable serving-level value in the supplied data. The more focused formula is easier to assess than the original multi-ingredient blend and avoids unrelated active ingredients.</p>
Report alternatives

Sources

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

  1. 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 pooledStress Relief Mood Support forTheanine
  2. 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 trialStress Relief Brain Health forTheanine
  3. 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
  4. 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
  5. 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
  6. 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 trialMental Focus Brain Health Productivity Boost forTheanine
  7. 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
  8. Antenatal magnesium sulfate and neuroprotection.
    Doyle LW · Current opinion in pediatrics · 2012
    Meta-analysis6,145 participants5 studies pooledBrain Health forMagnesium
  9. 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
  10. 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
  11. 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
  12. Magnesium sulfate and fetal neuroprotection: overview of clinical evidence.
    Chollat C; Marret S · Neural regeneration research · 2020
    Narrative reviewBrain Health forMagnesium
  13. 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
  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 pooledBrain Health Cognitive Support Mental Focus forTheanine
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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 Productivity Boost forMagnesium
  23. 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
  24. 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
  25. 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 Stress Relief forMagnesium
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. High Dose Vitamin B6 Reduces Depression Symptoms.
    Field DT; Cracknell R; Biagi N · Depression and anxiety · 2026
    Randomized trial267 participantsMood Support forVitamin B6
  34. Can Vitamin B6 Help to Prevent Postpartum Depression? A Randomized Controlled Trial.
    Khodadad M; Bahadoran P; Kheirabadi GR; Sabzghabaee AM · International journal of preventive medicine · 2022
    Randomized trial81 participantsMood Support forVitamin B6
  35. Associations of Dietary Intake of Vitamin B6 and Plasma Pyridoxal 5'-Phosphate Level With Depression in US Adults: Findings From NHANES 2005-2010.
    Lu J; Mao H; Tan Y; Luo G · Brain and behavior · 2024
    Cross-sectional study24,683 participantsMood Support forVitamin B6
  36. Associations of dietary B vitamins intakes with depression in adults.
    Wu Y; Li S; Wang W; Zhang D · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2023
    Observational study17,732 participantsMood Support forVitamin B6
  37. Impact of vitamin B6 status on psychological distress in a longitudinal study of HIV-1 infection.
    Shor-Posner G; Feaster D; Blaney NT; Rocca H; Mantero-Atienza E; Szapocznik J; Eisdorfer C; Goodkin K; Baum MK · International journal of psychiatry in medicine · 1995
    Cohort study88 participantsMood Support forVitamin B6
  38. Cross-sectional and longitudinal associations of magnesium intake and cognition in the Healthy Aging Longitudinal Study in Taiwan.
    Tao MH; Chuang SC; Wu IC; Chan HT; Cheng CW; Chen HL; Lee MM; Chang HY; Hsiung CA; Hsu CC · European journal of nutrition · 2024
    Cohort study5,663 participantsProductivity Boost forMagnesium
  39. Low levels of serum magnesium are associated with poststroke cognitive impairment in ischemic stroke patients.
    Tu X; Qiu H; Lin S; He W; Huang G; Zhang X; Wu Y; He J · Neuropsychiatric disease and treatment · 2022
    Cohort study327 participantsProductivity Boost forMagnesium
  40. Hypomagnesemia and Acute Cognitive Decline in Older Adults: An Evaluation of Clinical Practice and Cognitive Outcomes at a National Health Service (NHS) Trust in England.
    Lai XN; Sadhwani V; Ng WM; Gani A · Cureus · 2025
    Cohort study667 participantsProductivity Boost forMagnesium
  41. Magnesium Depletion Score as a Novel Predictor of Cognitive Impairment: A Population-Based Cross-Sectional Study From NHANES.
    Chen M; Xue R; Zhang M; Zhang J; Zheng J; Ye D; Sun J · Journal of the American Medical Directors Association · 2025
    Cross-sectional study2,768 participantsProductivity Boost forMagnesium
  42. 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
  43. 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
  44. Vitamin B6, B9, and B12 Intakes and Cognitive Performance in Elders: National Health and Nutrition Examination Survey, 2011-2014.
    Xu H; Wang S; Gao F; Li C · Neuropsychiatric disease and treatment · 2022
    Cross-sectional study2,421 participantsProductivity Boost forVitamin B6
  45. Effect of megavitamin treatment on mental performance and plasma vitamin B6 concentrations in mentally retarded young adults.
    Coburn SP; Schaltenbrand WE; Mahuren JD; Clausman RJ; Townsend D · The American journal of clinical nutrition · 1983
    Non-randomized trialProductivity Boost forVitamin B6
  46. Identifying Key Predictors of Cognitive Dysfunction in Older People Using Supervised Machine Learning Techniques: Observational Study.
    Rankin D; Black M; Flanagan B; Hughes CF; Moore A; Hoey L; Wallace J; Gill C; Carlin P; Molloy AM; Cunningham C; McNulty H · JMIR medical informatics · 2024
    Cohort studyProductivity Boost forVitamin B6
  47. Inappropriate nutrients intake is associated with lower functional status and inferior quality of life in older adults with depression.
    Guligowska A; Pigłowska M; Fife E; Kostka J; Sołtysik BK; Kroc Ł; Kostka T · Clinical interventions in aging · 2017
    Case-control study49 participantsProductivity Boost forVitamin B6
  48. A nutritional blend of taurine, vitamins B6, B9, and B12 improves motivated behaviors in healthy adults-a double-blinded randomized clinical trial.
    Anlacan VM; Jamora RDG; Krattinger LF; De Longis E; Hartweg M; Steinmann M; Trovò L · Frontiers in nutrition · 2026
    Randomized trial44 participantsProductivity Boost forVitamin B6
  49. Effects of magnesium and potassium supplementation on insomnia and sleep hormones in patients with diabetes mellitus.
    Khalid S; Bashir S; Mehboob R; Anwar T; Ali M; Hashim M; Waseem H; Basharat S · Frontiers in endocrinology · 2024
    Randomized trial320 participantsSleep Support forMagnesium
  50. Association of magnesium intake with sleep duration and sleep quality: findings from the CARDIA study.
    Zhang Y; Chen C; Lu L; Knutson KL; Carnethon MR; Fly AD; Luo J; Haas DM; Shikany JM; Kahe K · Sleep · 2022
    Cohort study3,964 participantsSleep Support forMagnesium
  51. Lidocaine vs. magnesium: effect on analgesia after a laparoscopic cholecystectomy.
    Saadawy IM; Kaki AM; Abd El Latif AA; Abd-Elmaksoud AM; Tolba OM · Acta anaesthesiologica Scandinavica · 2010
    Randomized trial120 participantsSleep Support forMagnesium
  52. The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial.
    Abbasi B; Kimiagar M; Sadeghniiat K; Shirazi MM; Hedayati M; Rashidkhani B · Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2013
    Randomized trial46 participantsSleep Support forMagnesium
  53. A randomized, double-blind, placebo-controlled, multicenter study assessing the efficacy of magnesium oxide monohydrate in the treatment of nocturnal leg cramps.
    Barna O; Lohoida P; Holovchenko Y; Bazylevych A; Velychko V; Hovbakh I; Bula L; Shechter M · Nutrition journal · 2021
    Randomized trial175 participantsSleep Support forMagnesium
  54. Comparison Between Efficacy of Oral Melatonin and Oral L-theanine in Improving Sleep in Cancer Patients Suffering From Insomnia: A Randomised Double-blinded Placebo-controlled Study.
    Kurdi MS; As A; Ladhad DA; Mitragotri MV; Baiju A · Indian journal of palliative care · 2024
    Randomized trial120 participantsSleep Support forTheanine
  55. The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis.
    Bulman A; D'Cunha NM; Marx W; Turner M; McKune A; Naumovski N · Sleep medicine reviews · 2025
    Meta-analysis897 participants19 studies pooledSleep Support forTheanine
  56. In Search of a Safe Natural Sleep Aid.
    Rao TP; Ozeki M; Juneja LR · Journal of the American College of Nutrition · 2016
    Narrative reviewSleep Support forTheanine
  57. Effects of Intravenous Esketamine or Magnesium Sulfate on Early Postoperative Negative Emotions and Pain in Patients Undergoing Endoscopic Sinus Surgery: A Randomized Controlled Trial.
    Wang L; Zhou J; Liu Q; Qian K; Wang L; Xie C · Therapeutics and clinical risk management · 2026
    Randomized trial137 participantsStress Relief forMagnesium
  58. Effect of short-term magnesium supplementation on anxiety, depression and sleep quality in patients after open-heart surgery.
    Saba S; Faizi F; Sepandi M; Nehrir B · Magnesium research · 2022
    Non-randomized trial60 participantsStress Relief forMagnesium
  59. Effects of dry needling compared to magnesium infiltration in trigger points for patients with myofascial pain syndrome: a randomized controlled study in Tunisia.
    Dhouibi J; Moncer R; Kalbousi N; Gaddour M; Laayouni S; Ouanes W; Kacem B; Jemni S · Korean journal of family medicine · 2026
    Randomized trial45 participantsStress Relief forMagnesium
  60. Effect of magnesium and vitamin B6 supplementation on mental health and quality of life in stressed healthy adults: Post-hoc analysis of a randomised controlled trial.
    Noah L; Dye L; Bois De Fer B; Mazur A; Pickering G; Pouteau E · Stress and health : journal of the International Society for the Investigation of Stress · 2021
    Randomized trialStress Relief forMagnesium
  61. 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