Stress Support

Stress Support

Zoi Research4.6 (2,910 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 30 servings
Goals
$11.81 $0.39 per serving

Product analysis

54 out of 100

Stress Support combines theanine and B vitamins for relaxation and nutritional support relevant to mood. Undisclosed blend composition makes the herbal contribution harder to judge.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality47

Several B vitamin forms are clearly identified. Other forms and the herbal blend remain unclear, limiting precise comparisons.

Ingredient Transparency66

The listed ingredient amounts are disclosed, but that does not reveal the ingredients within the proprietary blend. Several forms are also unspecified, leaving important details unclear.

Value For Money47

Riboflavin and B6 offer more favorable value than B5 and choline. Theanine contributes moderate value, while the herbal portion is harder to assess.

Customer Satisfaction84

Customer feedback is generally positive across several thousand ratings. Those reviews reflect satisfaction without establishing lasting stress or sleep benefits.

Product Focus29

The formula addresses several overlapping mood, stress and attention goals. Theanine has limited task-specific support, while unresolved herbal amounts limit confidence in the broader contribution.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.39
Customer rating
4.6 · 2,910 ratings
Report analysis

Goals

Stress Relief
Impact
High effect
C+ Ingredient FitC PathwaysA EvidenceA+ Formulation Logic
Ashwagandha · 50 mgFolate · 666 mcg DFEVitamin B12 · 100 mcgVitamin B6 · 25 mgTheanine · 100 mg
Study evidence
Folate Supportive 19 studies
Rhodiola Supportive 16 studies
Theanine Supportive 16 studies
Zinc Supportive 9 studies
Mental Focus
Impact
High effect
B- Ingredient FitD- PathwaysB EvidenceA Formulation Logic
Choline · 25 mgFolate · 666 mcg DFEVitamin B6 · 25 mgVitamin B12 · 100 mcgTheanine · 100 mg
Study evidence
Choline Supportive 22 studies
Folate Mixed 12 studies
Rhodiola Supportive 15 studies
Theanine Supportive 19 studies
Zinc Mixed 16 studies
Mood Support
Impact
High effect
B- Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Folate · 666 mcg DFEVitamin B6 · 25 mgVitamin B12 · 100 mcgAshwagandha · 50 mg
Study evidence
Folate Supportive 84 studies
Rhodiola Supportive 15 studies
Theanine Supportive 12 studies
Vitamin B6 Supportive 19 studies
Zinc Supportive 43 studies
Impact
High effect
D Ingredient FitC PathwaysA- EvidenceA+ Formulation Logic
Theanine · 100 mg
Study evidence
Theanine Supportive 8 studies
Zinc Supportive 14 studies
Impact
Moderate effect
B- Ingredient FitF PathwaysB EvidenceA Formulation Logic
Vitamin B5 · 250 mgRiboflavin · 25 mgThiamin · 25 mgVitamin B12 · 100 mcg
Study evidence
Rhodiola Supportive 18 studies
Theanine Not classified

No linked studies yet.

Thiamin Disputed 12 studies
Impact
High effect
B- Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Choline · 25 mgThiamin · 25 mgVitamin B6 · 25 mgFolate · 666 mcg DFEVitamin B12 · 100 mcgAshwagandha · 50 mgTheanine · 100 mg
Study evidence
Choline Supportive 76 studies
Folate Supportive 68 studies
Rhodiola Supportive 7 studies
Theanine Supportive 25 studies
Thiamin Supportive 30 studies
Vitamin B6 Supportive 17 studies
Zinc Supportive 48 studies

Ingredients

IngredientAmount per servingScore
Thiamine (Thiamine Hydrochloride)
25 mg 65
Riboflavin
25 mg 67
Niacin (Niacinamide)
100 mg NE
Vitamin B6 (Pyridoxine Hydrochloride)
25 mg 80
Folate
666 mcg DFE
Vitamin B12 (Methylcobalamin)
100 mcg
Biotin
300 mcg 59
Pantothenic Acid (Calcium D-Pantothenate)
250 mg 75
Choline (Choline Bitartrate)
25 mg 50
Zinc (Zinc Picolinate)
15 mg
Proprietary Stress Blend
300 mg
L-Theanine
100 mg 90
Ashwagandha root & leaf extract
50 mg
Proprietary Absorption Blend
23 mg
Adults 18–50 Dairy Free
Report overview
A+ Ingredient Form & Label QualityC Dose, Safety & Label TransparencyB Value
25 mg of B6 per serving exceeds the European adult upper limit of 12 mg per day; total daily intake may be higher. The cost per amount of B6 is moderate. The B6 source is Pyridoxine Hydrochloride.
How this ingredient is rated

Ingredient Form & Label Quality100

The B6 source is Pyridoxine Hydrochloride. No artificial colors, titanium dioxide or talc are indicated.
Vitamin B6 Form Identification
The B6 source is Pyridoxine Hydrochloride.
Clean Label and Excipient Purity
No artificial colors, titanium dioxide or talc are indicated.

Dose, Safety & Label Transparency60

25 mg of B6 per serving exceeds the European adult upper limit of 12 mg per day; total daily intake may be higher. The source is also stated.
Vitamin B6 Dose & Safety Policy
25 mg of B6 per serving exceeds the European adult upper limit of 12 mg per day; total daily intake may be higher.
Label Transparency
The label states both the B6 amount and its source.

Value80

The cost per amount of B6 is moderate.
Vitamin B6 Price Efficiency
The cost per amount of B6 is moderate.
Theanine · 100 mg OverallScore90
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value
100 mg of L-theanine per serving comes at a moderate cost per 100 mg. That amount is within the range associated with relaxation and focus. A branded source is indicated, though its name is not specified.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

It uses L-theanine, the form associated with calming and focus. A branded source is indicated, though its name is not specified.
Isomer Specificity (L-Theanine)
It uses L-theanine, the form associated with calming and focus.
Branded Forms & Purity Standards
A branded source is indicated, though its name is not specified.

Dose, Safety & Label Transparency100

A serving provides 100 mg of L-theanine. That amount is within the range associated with relaxation and focus. The amount and source are individually stated.
Theanine Dosage Efficacy
A serving provides 100 mg of L-theanine. That amount is within the range associated with relaxation and focus.
Label Transparency & Blends
The amount and source are individually stated.

Value50

The cost per 100 mg of theanine is moderate.
Price per 100mg L-Theanine
The cost per 100 mg of theanine is moderate.
A Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
Each serving provides 250 mg of B5, at a high cost for that amount. It uses Calcium D-Pantothenate, a stable, well-absorbed form of B5.
How this ingredient is rated

Active Ingredient Quality & Bioavailability90

It uses Calcium D-Pantothenate, a stable, well-absorbed form of B5.
Vitamin B5 Chemical Form
It uses Calcium D-Pantothenate, a stable, well-absorbed form of B5.

Dose, Safety & Label Transparency88

It provides 250 mg of B5 per serving. The label names the B5 amount and its source.
Dosage Potency and Efficacy
It provides 250 mg of B5 per serving.
Label Transparency & Source Clarity
The label names the B5 amount and its source.

Value20

The cost is high for the amount of B5 provided.
Price per 500mg Vitamin B5
The cost is high for the amount of B5 provided.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. B vitamins and prevention of cognitive decline and incident dementia: a systematic review and meta-analysis.
    Wang Z; Zhu W; Xing Y; Jia J; Tang Y · Nutrition reviews · 2022
    Meta-analysis46,175 participants95 studies pooledBrain Health Cognitive Support forFolate
  7. Folate and long-chain polyunsaturated fatty acid supplementation during pregnancy has long-term effects on the attention system of 8.5-y-old offspring: a randomized controlled trial.
    Catena A; Muñoz-Machicao JA; Torres-Espínola FJ; Martínez-Zaldívar C; Diaz-Piedra C; Gil A; Haile G; Györei E; Molloy AM; Decsi T; Koletzko B; Campoy C · The American journal of clinical nutrition · 2016
    Randomized trial136 participantsBrain Health Mental Focus forFolate
  8. Folic acid supplementation improves cognitive function in participants with cerebral small vascular disease-related cognitive impairment: a randomized controlled trial.
    Liu Y; Yu Z; Cai Z; Zhao L; Wang Y; Guo Y; Su X; Miao Y; Yi B; Wang Y; Zhang X · The journal of prevention of Alzheimer's disease · 2025
    Randomized trial220 participantsBrain Health forFolate
  9. Circulating folate concentrations and the risk of mild cognitive impairment: A prospective study on the older Chinese population without folic acid fortification.
    Fu J; Liu Q; Zhu Y; Sun C; Duan H; Huang L; Zhou D; Wang Z; Zhao J; Li Z; Ma F; Li W; Liu H; Zhang X; Chen Y; Wang G; Du Y; Huang G · European journal of neurology · 2022
    Cohort study3,974 participantsBrain Health forFolate
  10. Normal-But-Low Serum Folate Levels and the Risks for Cognitive Impairment.
    Jang S; Han JW; Shin J; Kim TH; Kwak KP; Kim K; Kim BJ; Kim SG; Kim JL; Kim TH; Moon SW; Park JY; Park JH; Byun S; Suh SW; Seo J; So Y; Ryu SH; Youn JC; Lee KH; Lee DY; Lee DW; Lee SB; Lee JJ; Lee JR; Jeong H; Jeong HG; Jhoo JH; Han K; Hong JW; Kim KW · Psychiatry investigation · 2020
    Cohort study3,910 participantsBrain Health forFolate
  11. Dose-Response Effects of Short-Term Rhodiola rosea (Golden Root Extract) Supplementation on Anaerobic Exercise Performance and Cognitive Function in Resistance-Trained Athletes: A Randomized, Crossover, Double-Blind, and Placebo-Controlled Study.
    Koozehchian MS; Newton AT; Mabrey G; Bonness FM; Rafajlovska R; Naderi A · Nutrients · 2025
    Randomized trial27 participantsBrain Health Mental Focus forRhodiola
  12. A combination of green tea, rhodiola, magnesium and B vitamins modulates brain activity and protects against the effects of induced social stress in healthy volunteers.
    Boyle NB; Billington J; Lawton C; Quadt F; Dye L · Nutritional neuroscience · 2022
    Randomized trial100 participantsBrain Health forRhodiola
  13. Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy.
    Panossian A; Wikman G; Sarris J · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2010
    Narrative reviewBrain Health forRhodiola
  14. Rhodiola rosea in stress induced fatigue--a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty.
    Darbinyan V; Kteyan A; Panossian A; Gabrielian E; Wikman G; Wagner H · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2001
    Randomized trial56 participantsBrain Health Productivity Boost forRhodiola
  15. Effects of a Rhodiola rosea extract on mental resource allocation and attention: An event-related potential dual task study.
    Koop T; Dienel A; Heldmann M; Münte TF · Phytotherapy research : PTR · 2021
    Single-arm trial50 participantsBrain Health Cognitive Support forRhodiola
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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