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Focus-R

LifeSeasons
4.5
★ ★ ★ ★ ★
(574 ratings)
Theanine 250 mg
Vitamin B12 1000 mcg
Vitamin B6 20 mg
Ginkgo
Bacopa 100 mg
Product Image
Score72
A broad caffeine-theanine focus formula with several cognitive actives, but kava risk and uncertain botanical potency keep it below a strong daily option.
How scoring works
Quantity:60 Capsule(s) • (30 servings)
Goals:
Energy
Stress Relief
Brain Health
Cognitive Support
Mood Support
Productivity Boost
Mental Focus

Score 72

A broad caffeine-theanine focus formula with several cognitive actives, but kava risk and uncertain botanical potency keep it below a strong daily option.
How scoring works
$36.99($1.23 per serving)
iHerb
$ 36.99
Pure Formulas
$ 36.99
Amazon
$ 36.99
Walmart
$ 36.99
Report prices

Analysis

A substantial L-theanine amount is paired with moderate caffeine to balance alertness and calm. Methylcobalamin, bacopa, ginkgo, and clubmoss extend the formula into memory and cognitive support.

Bacopa is low and lacks a disclosed bacoside percentage, while ginkgo marker percentages are also absent. The huperzine A entry needs label confirmation because its stated amount is unusually large for that ingredient.

Kava adds sedating effects that may work against the stimulating components, and its liver concern makes routine use harder to justify. The formula has a stronger value profile than its close counterpart but still carries the same core design and safety limitations.

Who is it for
  • Adults wanting combined focus and calming support
  • Users who tolerate caffeine
  • People willing to verify the label before use
Best for
  • Short-term calm alertness
  • Multi-ingredient cognitive routines
  • Users not taking sedatives or blood thinners

Pros

  • Meaningful L-theanine amount
  • Includes active-form B12
  • Balances caffeine with calming ingredients

Cons

  • Bacopa and ginkgo potency is unclear
  • Kava conflicts with the energizing design
  • Huperzine amount appears unreliable

Warnings

  • Kava may affect the liver and can compound sedation from alcohol or sedative medicines.
  • Ginkgo may increase bleeding risk with anticoagulant or antiplatelet medicines.
  • Confirm the huperzine A quantity on the current label before use.
  • The caffeine amount may not suit stimulant-sensitive users or evening use.

Nutrient quality

74 High impact

The formula broadly fits focus and stress resilience. Several modest botanicals add complexity without equal dose depth.

Ingredient transparency

81 Highest impact

No proprietary blend hides the listed doses. A complete inactive-ingredient statement is missing.

Customer satisfaction

67 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

62 Moderate impact

Meaningful core actives support fair value despite incomplete botanical standardization. Modest botanicals provide limited value beyond the core actives.

Report analysis

Goals

Energy
Energy
Impact
High effect
A- Goal FitA- Strength of SupportB CoverageC- Formula Quality
Vitamin B12 · 1000 mcgCaffeine · 75 mg

Caffeine, methylcobalamin, and a substantial theanine amount provide direct alertness and metabolic support. Standardized bacopa, ginkgo, and kava extracts add focus and stress-related pathways.

The caffeine-theanine pairing is sensible, but kava can oppose alertness through sedation. Kava also makes the formula unsuitable with alcohol or sedative medicines because drowsiness and liver-related risk may increase.

Study evidence
Caffeine Supportive 68 studies
Theanine Not classified

No linked studies yet.

Vitamin B12 Disputed 14 studies
Stress Relief
Stress Relief
Impact
High effect
A- Goal FitA- Strength of SupportB+ CoverageD Formula Quality
Vitamin B12 · 1000 mcgVitamin B6 · 20 mgTheanine · 250 mg

A substantial theanine amount and kava extract provide direct calming and inhibitory support. Holy basil and B vitamins add stress-resilience pathways.

Caffeine and yerba mate conflict with the calming ingredients and may worsen tension or sleep in sensitive users. Kava also should not be combined with alcohol or sedative medicines because drowsiness and liver-related risk may increase.

Study evidence
Theanine Supportive 16 studies
Brain Health
Brain Health
Impact
High effect
A- Goal FitC+ Strength of SupportB CoverageC+ Formula Quality
Vitamin B12 · 1000 mcgVitamin B6 · 20 mgBacopa · 100 mg

Theanine, bacopa, caffeine, ginkgo, and clubmoss create direct coverage for attention, memory, and cerebral circulation. Theanine is the best-dosed and best-disclosed active in the blend.

Bacopa and ginkgo are below stronger clinical targets or lack complete standardization, while huperzine A yield is unclear. Kava and caffeine pull in opposing directions, and kava may compound sedation or pose liver concerns in susceptible users.

Study evidence
Bacopa Supportive 17 studies
Ginkgo Supportive 90 studies
Theanine Supportive 17 studies
Cognitive Support
Cognitive Support
Impact
High effect
A- Goal FitC+ Strength of SupportB+ CoverageC Formula Quality
Vitamin B6 · 20 mgVitamin B12 · 1000 mcgTheanine · 250 mgBacopa · 100 mg

The dedicated focus formula covers a wide range of cognitive mechanisms. Theanine with caffeine, bacopa, ginkgo, huperzine-containing clubmoss, B vitamins, and additional botanicals span attention, memory, circulation, and neurotransmitter signaling.

Several herbal amounts are below common study ranges, and combining calming kava with stimulants creates a trade-off. The formula is ambitious and well targeted but less balanced than its ingredient breadth suggests.

Study evidence
Bacopa Supportive 30 studies
Ginkgo Supportive 87 studies
Theanine Supportive 25 studies
Mood Support
Mood Support
Impact
High effect
B Goal FitB- Strength of SupportB- CoverageD+ Formula Quality
Vitamin B6 · 20 mgVitamin B12 · 1000 mcg

L-theanine, kava, and B vitamins provide direct calming and neurotransmitter support, while bacopa adds a cognitive pathway. The breadth is substantial, but the formula combines calming agents with caffeine and yerba mate.

L-theanine reaches a strong amount, whereas bacopa is light and several extracts lack complete potency details. Kava may pose liver concerns, and caffeine can work against the intended calming effect in sensitive users.

Study evidence
Bacopa Supportive 7 studies
Theanine Supportive 12 studies
Productivity Boost
Productivity Boost
Impact
High effect
B+ Goal FitC+ Strength of SupportB CoverageD+ Formula Quality
Vitamin B12 · 1000 mcgVitamin B12 · 1000 mcgVitamin B6 · 20 mgTheanine · 250 mgCaffeine · 75 mg

Caffeine paired with a strong L-theanine amount offers a plausible calm-alertness effect, while B vitamins, bacopa, ginkgo, and clubmoss broaden the cognitive intent. Bacopa and ginkgo appear underdosed or incompletely standardized, and yerba mate may add caffeine beyond the stated amount.

Kava may soften stimulant effects, but it also introduces sedation and a product-specific liver-safety concern. Ginkgo may raise bleeding risk with anticoagulant or antiplatelet medicines, and kava should not be combined with alcohol or sedatives.

Study evidence
Bacopa Supportive 12 studies
Caffeine Supportive 108 studies
Ginkgo Supportive 20 studies
Ginkgo Supportive 12 studies
Theanine Supportive 5 studies

Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
 20 mg
Vitamin B12 (Methylcobalamin)
 1000 mcg
L-Theanine
250 mg
Kava Kava root extract (Kavalactones)
 200 mg
Bacopa whole plant extract (Bacosides A&B)
 100 mg
Yerba Mate
100 mg
Caffeine (Coffea arabica)
 75 mg
Holy Basil
75 mg
Ginkgo leaf extract (Flavone Glycosides, Terpene Lactones)
 60 mg
Toothed Clubmoss extract (Huperzine A)
 10 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Theanine · 250 mg OverallScore82
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

The active L-isomer is clearly disclosed at the upper edge of the optimal dose range. No branded source or added purity evidence is supplied. Cost per standard theanine amount is premium.

View ingredientView products
Vitamin B12 (Methylcobalamin) · 1000 mcg OverallScore79
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value

Methylcobalamin is supplied at a high dose with clear labeling. Capsules provide standard delivery rather than a sublingual option. The complex focus blend makes it poor value as a dedicated B12 source. Kava may pose liver concerns, while caffeine may not suit stimulant-sensitive users.

View ingredientView products
Vitamin B6 (Pyridoxine Hydrochloride) · 20 mg OverallScore62
D+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value

Pyridoxine hydrochloride requires metabolic conversion, and no riboflavin cofactor is disclosed. The 20 mg serving falls within the preferred potency range. The two-capsule serving is practical, but value is poor for a pyridoxine-based formula.

View ingredientView products
Loading alternative details
84 Performance

Activated Homocysteine

Swanson
<p>Active B6, methylfolate, methylcobalamin, and betaine improve the quality and focus of the vitamin portion. The high B6 amount warrants caution with long-term use, and the formula does not recreate theanine, bacopa, ginkgo, or stimulant effects.</p>
86 Performance

Ginkgo+

NS Natural Stacks
<p>Ginseng, bacopa, and ginkgo provide a more concentrated cognitive design than the broad original blend. Incomplete marker percentages remain a limitation, but avoiding kava removes one notable sedation and liver-safety concern.</p>
80 Performance

ThinkFast

Futurebiotics
<p>Higher bacopa and ginkgo amounts give the cognitive core greater depth than the original modest botanical doses. Proprietary blends still limit transparency, though the absence of kava may suit users who want to avoid its safety concerns.</p>
78 Budget

Tri-B

Carlson
<p>The long supply delivers B6, folate, and B12 at a substantially lower serving cost. Conventional forms, high folate, and elevated pyridoxine are meaningful trade-offs, while the calming and cognitive botanicals are absent.</p>
76 Budget

Folic Acid B6 & B12

Mason Natural
<p>Very inexpensive B-vitamin coverage makes this a simple budget alternative for basic nutritional support. Older forms and an aggressive B6 amount reduce quality, and it does not replace the original theanine, bacopa, ginkgo, or caffeine.</p>
81 Budget

Homocysteine Defense

Source Naturals
<p>A low serving cost and meaningful betaine amount provide economical B-vitamin and cardiovascular support. The formula uses older vitamin forms and lacks the original calm-focus botanicals, while elevated B6 and folate reduce long-term suitability.</p>
91 Value

Pure Brainpower

Swanson
<p>A substantial bacopa amount with ginkgo and coffee-fruit extract offers focused brain and attention support at a lower serving cost. Marker disclosure is incomplete, but the formulation provides stronger cognitive depth without paying for a broad calming blend.</p>
77 Value

Think Support

Zoi Research
<p>Bacopa and substantial ginkgo retain two of the most relevant cognitive ingredients while reducing serving cost. Proprietary blends and incomplete standardization make potency harder to judge than the fully listed original formula.</p>
80 Value

Homocysteine Modulators

Solgar
<p>Betaine with B6, folate, and B12 supplies broad energy and cognitive-pathway support with favorable serving value. The vitamin forms are mostly conventional and B6 is high, so it is better suited to a focused nutrient need than to replacing the original calm-focus profile.</p>
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  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. 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 Sleep Support forTheanine
  6. 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
  7. Acute effects of theanine, caffeine and theanine-caffeine combination on attention.
    Kahathuduwa CN; Dassanayake TL; Amarakoon AMT; Weerasinghe VS · Nutritional neuroscience · 2018
    Clinical trial20 participantsMental Focus Cognitive Support forTheanine
  8. 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
  9. 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
  10. Effects of Folic Acid and Vitamin B12, Alone and in Combination on Cognitive Function and Inflammatory Factors in the Elderly with Mild Cognitive Impairment: A Single-blind Experimental Design.
    Ma F; Zhou X; Li Q; Zhao J; Song A; An P; Du Y; Xu W; Huang G · Current Alzheimer research · 2020
    Randomized trial240 participantsCognitive Support forVitamin B12
  11. Cognitive impairment and vitamin B12: a review.
    Moore E; Mander A; Ames D; Carne R; Sanders K; Watters D · International psychogeriatrics · 2014
    Systematic review43 studies pooledCognitive Support forVitamin B12
  12. Vitamin B12, B6, or Folate and Cognitive Function in Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis.
    Zhang C; Luo J; Yuan C; Ding D · Journal of Alzheimer's disease : JAD · 2021
    Meta-analysis21 studies pooledCognitive Support forVitamin B12
  13. Efficacy of Ginkgo biloba extract EGb 761® in dementia with behavioural and psychological symptoms: A systematic review.
    von Gunten A; Schlaefke S; Überla K · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry · 2017
    Meta-analysis1,628 participants4 studies pooledCognitive Support Brain Health forGinkgo
  14. Ginkgo biloba for cognitive impairment and dementia.
    Wieland LS; Ludeman E; Chi Y; Feinberg TM; Chen IH; Chen KH; Zhu Y; Wolverson E; Amri H · The Cochrane database of systematic reviews · 2026
    Meta-analysis10,613 participants82 studies pooledCognitive Support forGinkgo
  15. Ginkgo biloba Extract (EGb761), Cholinesterase Inhibitors, and Memantine for the Treatment of Mild-to-Moderate Alzheimer's Disease: A Network Meta-Analysis.
    Thancharoen O; Limwattananon C; Waleekhachonloet O; Rattanachotphanit T; Limwattananon P; Limpawattana P · Drugs & aging · 2019
    Meta-analysisCognitive Support forGinkgo
  16. Meta-analysis of the efficacy and safety of Ginkgo biloba extract for the treatment of dementia.
    Hashiguchi M; Ohta Y; Shimizu M; Maruyama J; Mochizuki M · Journal of pharmaceutical health care and sciences · 2016
    Meta-analysis2,381 participants13 studies pooledCognitive Support forGinkgo
  17. The cognitive-enhancing effects of Bacopa monnieri: a systematic review of randomized, controlled human clinical trials.
    Pase MP; Kean J; Sarris J; Neale C; Scholey AB; Stough C · Journal of alternative and complementary medicine (New York, N.Y.) · 2012
    Systematic review6 studies pooledCognitive Support Productivity Boost forBacopa
  18. The acute effects of an extract of Bacopa monniera (Brahmi) on cognitive function in healthy normal subjects.
    Nathan PJ; Clarke J; Lloyd J; Hutchison CW; Downey L; Stough C · Human psychopharmacology · 2019
    Randomized trial38 participantsCognitive Support forBacopa
  19. Chronic effects of Brahmi (Bacopa monnieri) on human memory.
    Roodenrys S; Booth D; Bulzomi S; Phipps A; Micallef C; Smoker J · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2002
    Randomized trial76 participantsCognitive Support forBacopa
  20. Comparative effects of Bacopa monnieri and Ginkgo biloba on cognitive functions: A systematic review and network meta-analysis.
    Tiemtad P; Ingkaninan K; Temkitthawon P; Thimkorn P; Rattanachaisit N; Teaktong T; Dhippayom T · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2026
    Meta-analysis2,107 participants29 studies pooledCognitive Support Brain Health Mental Focus forBacopa
  21. Meta-analysis of randomized controlled trials on cognitive effects of Bacopa monnieri extract.
    Kongkeaw C; Dilokthornsakul P; Thanarangsarit P; Limpeanchob N; Norman Scholfield C · Journal of ethnopharmacology · 2014
    Meta-analysis518 participants9 studies pooledBrain Health Mental Focus Productivity Boost forBacopa
  22. Comparative efficacy of Medhya Rasayana,Bacopa monnieri, and Centella asiatica in enhancing memory and IQ of 8-10 year-old healthy boys: A prakriti-based double-blind, randomized controlled trial.
    Verma J; Rathi R; Anamika; Rathi B; Pandey VB · Journal of Ayurveda and integrative medicine · 2025
    Randomized trial180 participantsBrain Health Cognitive Support forBacopa
  23. Plant-derived nootropics and human cognition: A systematic review.
    Lorca C; Mulet M; Arévalo-Caro C; Sanchez MÁ; Perez A; Perrino M; Bach-Faig A; Aguilar-Martínez A; Vilella E; Gallart-Palau X; Serra A · Critical reviews in food science and nutrition · 2023
    Systematic review256 studies pooledBrain Health forBacopa
  24. The effect of plant active substances on cognitive function in healthy older adults: a systematic review and network meta-analysis of randomized controlled trials.
    Feng X; Fan S; Wei F · Frontiers in pharmacology · 2026
    Meta-analysis1,861 participants25 studies pooledBrain Health Cognitive Support forBacopa
  25. Efficacy and adverse effects of ginkgo biloba for cognitive impairment and dementia: a systematic review and meta-analysis.
    Tan MS; Yu JT; Tan CC; Wang HF; Meng XF; Wang C; Jiang T; Zhu XC; Tan L · Journal of Alzheimer's disease : JAD · 2015
    Meta-analysis2,561 participants9 studies pooledBrain Health forGinkgo
  26. Ginkgo biloba extract EGb 761 is safe and effective in the treatment of mild dementia - a meta-analysis of patient subgroups in randomised controlled trials.
    Riepe M; Hoerr R; Schlaefke S · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry · 2025
    Meta-analysis782 participants4 studies pooledBrain Health Productivity Boost forGinkgo
  27. Ginkgo biloba extract EGb 761® improves cognition and overall condition after ischemic stroke: Results from a pilot randomized trial.
    Cui M; You T; Zhao Y; Liu R; Guan Y; Liu J; Liu X; Wang X; Dong Q · Frontiers in pharmacology · 2023
    Randomized trial201 participantsBrain Health Productivity Boost forGinkgo
  28. Ginkgo biloba extract EGb 761® in dementia with neuropsychiatric features: a randomised, placebo-controlled trial to confirm the efficacy and safety of a daily dose of 240 mg.
    Herrschaft H; Nacu A; Likhachev S; Sholomov I; Hoerr R; Schlaefke S · Journal of psychiatric research · 2012
    Randomized trial410 participantsBrain Health forGinkgo
  29. 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
  30. 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
  31. 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
  32. A systematic review of the Ayurvedic medicinal herb Bacopa monnieri in child and adolescent populations.
    Kean JD; Downey LA; Stough C · Complementary therapies in medicine · 2017
    Systematic review5 studies pooledCognitive Support forBacopa
  33. Efficacy of Standardized Extract of Bacopa monnieri (Bacognize®) on Cognitive Functions of Medical Students: A Six-Week, Randomized Placebo-Controlled Trial.
    Kumar N; Abichandani LG; Thawani V; Gharpure KJ; Naidu MU; Venkat Ramana G · Evidence-based complementary and alternative medicine : eCAM · 2024
    Randomized trial60 participantsCognitive Support forBacopa
  34. Efficacy of ginkgo diterpene lactone meglumine on cognitive function in patients with acute ischemic stroke: a predefined exploratory analysis of a multicenter, double-blind, randomized controlled trial.
    Tian X; Xu Q; Xia X; Zhang Y; Meng X; Wang A · Journal of neurology · 2024
    Randomized trial3,163 participantsCognitive Support forGinkgo
  35. A placebo-controlled, double-blind, randomized trial of an extract of Ginkgo biloba for dementia. North American EGb Study Group.
    Le Bars PL; Katz MM; Berman N; Itil TM; Freedman AM; Schatzberg AF · JAMA · 1997
    Randomized trial309 participantsCognitive Support Productivity Boost forGinkgo
  36. Alleviating neuropsychiatric symptoms in dementia: the effects of Ginkgo biloba extract EGb 761. Findings from a randomized controlled trial.
    Bachinskaya N; Hoerr R; Ihl R · Neuropsychiatric disease and treatment · 2011
    Randomized trial410 participantsCognitive Support forGinkgo
  37. Efficacy and safety of a once-daily formulation of Ginkgo biloba extract EGb 761 in dementia with neuropsychiatric features: a randomized controlled trial.
    Ihl R; Bachinskaya N; Korczyn AD; Vakhapova V; Tribanek M; Hoerr R; Napryeyenko O; GOTADAY Study Group · International journal of geriatric psychiatry · 2013
    Randomized trial410 participantsCognitive Support forGinkgo
  38. 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
  39. Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine.
    Haskell CF; Kennedy DO; Wesnes KA; Scholey AB · Psychopharmacology · 2005
    Randomized trial48 participantsEnergy forCaffeine
  40. Caffeine-containing energy drink improves physical performance of elite rugby players during a simulated match.
    Del Coso J; Ramírez JA; Muñoz G; Portillo J; Gonzalez-Millán C; Muñoz V; Barbero-Álvarez JC; Muñoz-Guerra J · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2016
    Randomized trial26 participantsEnergy forCaffeine
  41. Differential cognitive effects of energy drink ingredients: caffeine, taurine, and glucose.
    Giles GE; Mahoney CR; Brunyé TT; Gardony AL; Taylor HA; Kanarek RB · Pharmacology, biochemistry, and behavior · 2013
    Randomized trial48 participantsEnergy forCaffeine
  42. Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo-Controlled Study.
    Ozan M; Buzdagli Y; Eyipinar CD; Baygutalp NK; Yüce N; Oget F; Kan E; Baygutalp F · Nutrients · 2022
    Randomized trial20 participantsEnergy forCaffeine
  43. Trait Energy and Fatigue Modify the Effects of Caffeine on Mood, Cognitive and Fine-Motor Task Performance: A Post-Hoc Study.
    Fuller DT; Smith ML; Boolani A · Nutrients · 2021
    Randomized trialEnergy forCaffeine
  44. A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
    Dułak NA; Rytlewska M; Jaskólska M; Chmielewski M · Rheumatology international · 2024
    Case series3 participantsEnergy forVitamin B12
  45. Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
    Markun S; Gravestock I; Jäger L; Rosemann T; Pichierri G; Burgstaller JM · Nutrients · 2021
    Meta-analysis6,276 participants16 studies pooledEnergy forVitamin B12
  46. Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
    Zubair AS; Saab L; Scharer K; Khokhar B · Brain circulation · 2024
    Qualitative study5 participantsEnergy forVitamin B12
  47. Cobalamin deficiency: clinical picture and radiological findings.
    Briani C; Dalla Torre C; Citton V; Manara R; Pompanin S; Binotto G; Adami F · Nutrients · 2014
    Narrative reviewEnergy forVitamin B12
  48. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  49. Evaluating the effects of Bacopa monnieri on cognitive performance and sleep quality of patients with mild cognitive impairment: A triple-blinded, randomized, placebo-controlled trial.
    Delfan M; Kordestani-Moghaddam P; Gholami M; Kazemi K; Mohammadi R · Explore (New York, N.Y.) · 2024
    Randomized trial62 participantsMental Focus forBacopa
  50. Cognitive effects of two nutraceuticals Ginseng and Bacopa benchmarked against modafinil: a review and comparison of effect sizes.
    Neale C; Camfield D; Reay J; Stough C; Scholey A · British journal of clinical pharmacology · 2013
    Systematic reviewMental Focus forBacopa
  51. Efficiency of Different Supplements in Alleviating Symptoms of ADHD with or Without the Use of Stimulants: A Systematic Review.
    Al Shahab S; Al Balushi R; Qambar A; Abdulla R; Qader M; Abdulla S; Jahrami H · Nutrients · 2025
    Systematic reviewMental Focus forBacopa
  52. Effects of modafinil and caffeine on night-time vigilance of air force crewmembers: A randomized controlled trial.
    Wingelaar-Jagt YQ; Bottenheft C; Riedel WJ; Ramaekers JG · Journal of psychopharmacology (Oxford, England) · 2023
    Randomized trial32 participantsMental Focus forCaffeine
  53. Acute effects of caffeine on attention: a comparison of non-consumers and withdrawn consumers.
    Smith AP; Christopher G; Sutherland D · Journal of psychopharmacology (Oxford, England) · 2013
    Randomized trial70 participantsMental Focus forCaffeine
  54. Performance and alertness effects of caffeine, dextroamphetamine, and modafinil during sleep deprivation.
    Wesensten NJ; Killgore WD; Balkin TJ · Journal of sleep research · 2006
    Randomized trial48 participantsMental Focus forCaffeine
  55. Effects of caffeine on mood and performance: a study of realistic consumption.
    Brice CF; Smith AP · Psychopharmacology · 2003
    Clinical trial24 participantsMental Focus forCaffeine
  56. Effects of caffeine or diphenhydramine on visual vigilance.
    Fine BJ; Kobrick JL; Lieberman HR; Marlowe B; Riley RH; Tharion WJ · Psychopharmacology · 1995
    Randomized trial24 participantsMental Focus forCaffeine
  57. Ginkgo biloba Extract EGb 761 in the Treatment of Patients with Mild Neurocognitive Impairment: A Systematic Review.
    Hort J; Duning T; Hoerr R · Neuropsychiatric disease and treatment · 2023
    Systematic review946 participants9 studies pooledMental Focus forGinkgo
  58. Proof of efficacy of the Ginkgo biloba special extract EGb 761 in outpatients suffering from mild to moderate primary degenerative dementia of the Alzheimer type or multi-infarct dementia.
    Kanowski S; Herrmann WM; Stephan K; Wierich W; Hörr R · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2012
    Randomized trial216 participantsMental Focus forGinkgo
  59. Proof of efficacy of the ginkgo biloba special extract EGb 761 in outpatients suffering from mild to moderate primary degenerative dementia of the Alzheimer type or multi-infarct dementia.
    Kanowski S; Herrmann WM; Stephan K; Wierich W; Hörr R · Pharmacopsychiatry · 1996
    Randomized trial216 participantsMental Focus forGinkgo
  60. Ginkgo biloba extract improved cognitive and neurological functions of acute ischaemic stroke: a randomised controlled trial.
    Li S; Zhang X; Fang Q; Zhou J; Zhang M; Wang H; Chen Y; Xu B; Wu Y; Qian L; Xu Y · Stroke and vascular neurology · 2021
    Randomized trial348 participantsMental Focus forGinkgo
  61. Ginkgo biloba in the Aging Process: A Narrative Review.
    Barbalho SM; Direito R; Laurindo LF; Marton LT; Guiguer EL; Goulart RA; Tofano RJ; Carvalho ACA; Flato UAP; Capelluppi Tofano VA; Detregiachi CRP; Bueno PCS; Girio RSJ; Araújo AC · Antioxidants (Basel, Switzerland) · 2024
    Narrative review14 studies pooledMental Focus forGinkgo
  62. 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
  63. 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
  64. Vitamin B12 supplementation improves cognitive function in middle aged and elderly patients with cognitive impairment.
    Zhou L; Bai X; Huang J; Tan Y; Yang Q · Nutricion hospitalaria · 2023
    Randomized trial115 participantsMental Focus forVitamin B12
  65. Associations of one-carbon metabolism, related B-vitamins and ApoE genotype with cognitive function in older adults: identification of a novel gene-nutrient interaction.
    Gordon S; Hoey L; McNulty H; Keenan J; Pangilinan F; Brody LC; Ward M; Strain JJ; McAnena L; McCann A; Molloy AM; Cunningham C; McCarroll K; Hughes CF · BMC medicine · 2025
    Observational study4,553 participantsMental Focus forVitamin B12
  66. Vitamin B12 Levels Association with Functional and Structural Biomarkers of Central Nervous System Injury in Older Adults.
    Beaudry-Richard A; Abdelhak A; Saloner R; Sacco S; Montes SC; Oertel FC; Cordano C; Jabassini N; Ananth K; Gomez A; Keihani A; Chapman M; Javvadi S; Saha S; Staffaroni A; Songster C; Warren M; Boscardin JW; Kramer J; Miller B; Miller JW; Green R; Green AJ · Annals of neurology · 2025
    Cross-sectional study231 participantsMental Focus forVitamin B12
  67. Cobalamin: a critical vitamin in the elderly.
    Wolters M; Ströhle A; Hahn A · Preventive medicine · 2005
    Narrative reviewMental Focus forVitamin B12
  68. The association of betaine, homocysteine and related metabolites with cognitive function in Dutch elderly people.
    Eussen SJ; Ueland PM; Clarke R; Blom HJ; Hoefnagels WH; van Staveren WA; de Groot LC · The British journal of nutrition · 2007
    Randomized trial195 participantsMental Focus forVitamin B12
  69. Vitamin B-6 supplementation in elderly men: effects on mood, memory, performance and mental effort.
    Deijen JB; van der Beek EJ; Orlebeke JF; van den Berg H · Psychopharmacology · 1995
    Randomized trial76 participantsMental Focus forVitamin B6
  70. The effect of vitamin B6 on cognition.
    Malouf R; Grimley Evans J · The Cochrane database of systematic reviews · 2004
    Systematic review109 participants2 studies pooledMental Focus forVitamin B6
  71. Antiemetic use during pregnancy and child neurodevelopment: population-based birth cohort study.
    Cho Y; Choi EY; Han JY; Kim H; Choe YJ; Shin JY · BMC medicine · 2025
    Cohort study630,904 participantsMental Focus forVitamin B6
  72. 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 participantsMental Focus forVitamin B6
  73. B-Vitamin Therapy for Kidney Transplant Recipients Lowers Homocysteine and Improves Selective Cognitive Outcomes in the Randomized FAVORIT Ancillary Cognitive Trial
    Tammy M Scott, Graham Rogers, Daniel E Weiner, Kathryn Livingston, Jacob Selhub, Paul F Jacques, Irwin H Rosenberg, Aron M Troen · The Journal of Prevention of Alzheimer's Disease · 2017
    Randomized trial584 participantsMental Focus forVitamin B6
  74. The Effects of a Bacopa monnieri Extract (Bacumen®) on Cognition, Stress, and Fatigue in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Lopresti AL; Smith SJ · Clinical drug investigation · 2025
    Randomized trial101 participantsMood Support forBacopa
  75. Effects of Bacopa monnieri (CDRI 08®) in a population of males exhibiting inattention and hyperactivity aged 6 to 14 years: A randomized, double-blind, placebo-controlled trial.
    Kean JD; Downey LA; Sarris J; Kaufman J; Zangara A; Stough C · Phytotherapy research : PTR · 2022
    Randomized trial112 participantsMood Support forBacopa
  76. The chronic effects of an extract of Bacopa monniera (Brahmi) on cognitive function in healthy human subjects.
    Stough C; Lloyd J; Clarke J; Downey LA; Hutchison CW; Rodgers T; Nathan PJ · Psychopharmacology · 2001
    Randomized trial85 participantsMood Support forBacopa
  77. Effects of a standardized Bacopa monnieri extract on cognitive performance, anxiety, and depression in the elderly: a randomized, double-blind, placebo-controlled trial.
    Calabrese C; Gregory WL; Leo M; Kraemer D; Bone K; Oken B · Journal of alternative and complementary medicine (New York, N.Y.) · 2009
    Randomized trial54 participantsMood Support Productivity Boost forBacopa
  78. Brahmi for the better? New findings challenging cognition and anti-anxiety effects of Brahmi (Bacopa monniera) in healthy adults.
    Sathyanarayanan V; Thomas T; Einöther SJ; Dobriyal R; Joshi MK; Krishnamachari S · Psychopharmacology · 2013
    Randomized trial72 participantsMood Support forBacopa
  79. 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
  80. 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
  81. 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
  82. 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
  83. 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
  84. Examining the nootropic effects of a special extract of Bacopa monniera on human cognitive functioning: 90 day double-blind placebo-controlled randomized trial.
    Stough C; Downey LA; Lloyd J; Silber B; Redman S; Hutchison C; Wesnes K; Nathan PJ · Phytotherapy research : PTR · 2009
    Randomized trial107 participantsProductivity Boost forBacopa
  85. An acute, double-blind, placebo-controlled crossover study of 320 mg and 640 mg doses of a special extract of Bacopa monnieri (CDRI 08) on sustained cognitive performance.
    Downey LA; Kean J; Nemeh F; Lau A; Poll A; Gregory R; Murray M; Rourke J; Patak B; Pase MP; Zangara A; Lomas J; Scholey A; Stough C · Phytotherapy research : PTR · 2014
    Randomized trial24 participantsProductivity Boost forBacopa
  86. Effects of caffeine on alertness.
    Zwyghuizen-Doorenbos A; Roehrs TA; Lipschutz L; Timms V; Roth T · Psychopharmacology · 1990
    Randomized trial24 participantsProductivity Boost forCaffeine
  87. Effects of Different Sources of Low-Dose Caffeine on Mood/Arousal and Cognitive Performance.
    Irwin C; McCartney D; Grant G; Delang N; Bartrim K; Cox GR; Desbrow B · Perceptual and motor skills · 2023
    Randomized trial22 participantsProductivity Boost forCaffeine
  88. Effects of caffeine, sleep loss, and stress on cognitive performance and mood during U.S. Navy SEAL training. Sea-Air-Land.
    Lieberman HR; Tharion WJ; Shukitt-Hale B; Speckman KL; Tulley R · Psychopharmacology · 2003
    Randomized trial68 participantsProductivity Boost forCaffeine
  89. A review of caffeine's effects on cognitive, physical and occupational performance.
    McLellan TM; Caldwell JA; Lieberman HR · Neuroscience and biobehavioral reviews · 2017
    Narrative reviewProductivity Boost forCaffeine
  90. Acute caffeine supplementation as a nutrition-based strategy to mitigate sleep-loss-related cognitive and operational performance impairments in military personnel: a systematic review and meta-analysis.
    Wang R; Wang W; Meng L; Hao G; Gu G · Frontiers in nutrition · 2026
    Meta-analysis7 studies pooledProductivity Boost forCaffeine
  91. [Ginkgo biloba extract EGb 761 in the treatment of dementia: evidence of efficacy and tolerability].
    Kasper S; Schubert H · Fortschritte der Neurologie-Psychiatrie · 2009
    Meta-analysis10 studies pooledProductivity Boost forGinkgo
  92. Dietary Flavonoids and Human Cognition: A Meta-Analysis.
    Cheng N; Bell L; Lamport DJ; Williams CM · Molecular nutrition & food research · 2022
    Meta-analysis5,519 participants80 studies pooledProductivity Boost forGinkgo
  93. Limited cognitive benefits in Stage +2 postmenopausal women after 6 weeks of treatment with Ginkgo biloba.
    Elsabagh S; Hartley DE; File SE · Journal of psychopharmacology (Oxford, England) · 2005
    Randomized trial87 participantsProductivity Boost forGinkgo
  94. Efficacy and safety of Ginkgo biloba extract EGb 761 in mild cognitive impairment with neuropsychiatric symptoms: a randomized, placebo-controlled, double-blind, multi-center trial.
    Gavrilova SI; Preuss UW; Wong JW; Hoerr R; Kaschel R; Bachinskaya N; GIMCIPlus Study Group · International journal of geriatric psychiatry · 2015
    Randomized trial160 participantsProductivity Boost forGinkgo
  95. Modulation of cognitive performance following single doses of 120 mg Ginkgo biloba extract administered to healthy young volunteers.
    Kennedy DO; Jackson PA; Haskell CF; Scholey AB · Human psychopharmacology · 2008
    Randomized trial78 participantsProductivity Boost forGinkgo
  96. 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
  97. 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
  98. 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
  99. 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
  100. 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