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Zenapin

product on market Capsule Rejuvica Health Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 77% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains a blend of B vitamins, including B1, B2, B6, and folic acid, which are essential for cellular energy production and neurological function. Research provides strong evidence for the role of these nutrients in metabolic processes. The ingredient profile maintains a high safety score with no significant concerns noted.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Zenapin
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetable Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
77%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

2 mg (133% DV)
1.7× RDA — within safe limits 76 studies (A:0, B:33)
2 mg (118% DV)
1.5× RDA — within safe limits 13 studies (A:0, B:1)
10 mg (50% DV)
Within RDA (0.7× RDA) 196 studies (A:5, B:63)
10 mg (500% DV)
7.7× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
50 mcg (13% DV)
Within RDA (0.1× RDA) 226 studies (A:10, B:105)
100 mcg (1667% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
Calcium
50 mg (5% DV)
50 mg (13% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
Market median: 450.0mg (502 products) 28 studies (A:0, B:8)
GABA
100 mg
Market median: 400.0mg (142 products) 10 studies (A:0, B:2)
Market median: 100.0mg (116 products) 18 studies (A:0, B:3)
Market median: 300.0mg (240 products) 20 studies — no high-quality reviews

Other Ingredients

Microcrystalline Cellulose Cellulose Magnesium Stearate Silicon Dioxide Vanilla Flavor
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: 1 capsule taken 1 to 2 times daily preferably with meals or as directed by a healthcare professional.

Warnings & Precautions

Caution: Do not exceed recommended dosage. Avoid driving or operating heavy machinery while taking this product.

Not recommended for pregnant or nursing mothers or children under 18 years of age.

Not recommended for pregnant or nursing mothers or children under 18 years of age.

St. John's Wort may contribute to photosensitivity resulting in skin irritation and redness in persons exposed to strong sunlight or tanning booths.

Not for use by individuals with a known medical condition including liver disease, bipolar (manic) depression or anyone taking prescription medication including antidepressants or MAO inhibitors.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

If you have questions about the advisability of taking this product, consult your physician prior to use.

Formulation Notes

Supports healthy stress levels Helps enhance mood

Made with natural ingredients

Additional Information

Store in a cool, dry place.

Sourced From GMP (Good Manufacturing Practice) Certified Facility Made in the USA

Metadata

Product Details

DSLD Entry Date2022-02-23
Product TypeOther Combinations
FormCapsule
BrandRejuvica Health
DSLD ID259570
Data Updated2026-04-11
Research

Research Evidence

100
Research Sources
56
Avg Quality
48
Systematic Review
30
Meta Analysis
13
Rct
6
Clinical Trial
1
Cochrane Review
1
Regulatory Source
B Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
Systematic Review Nutritional neuroscience 2023 PubMed DOI
B Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
Meta Analysis BMJ open 2022 PubMed DOI
B Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024 PubMed DOI
B Effect of adjunctive vitamin C, glucocorticoids, and vitamin B1 on longer-term mortality in adults with sepsis or septic shock: a systematic review and a component network meta-analysis
Systematic Review Intensive care medicine 2022 PubMed DOI
B Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
Meta Analysis Pain medicine (Malden, Mass.) 2020 PubMed DOI
B Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
Meta Analysis Critical care medicine 2021 PubMed DOI
B The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Complementary therapies in medicine 2022 PubMed DOI
B Hydrocortisone Combined with Vitamin C and Thiamine in the Treatment of Sepsis/Septic Shock: A Systematic Review with Meta-Analysis and Trial Sequential Analysis
Meta Analysis Clinical and investigative medicine. Medecine clinique et experimentale 2023 PubMed DOI
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004 PubMed
View all evidence for Thiamine →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.