Home/ Supplements/ Thiamine/ Brewer's Yeast Vitality Complex

Brewer's Yeast Vitality Complex

product on market Capsule GNC SuperFoods Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 89% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The product contains a blend of B vitamins, including thiamine, riboflavin, and niacin, which are essential for energy metabolism and neurological function. There is strong evidence supporting the role of these nutrients in maintaining cellular health. The ingredient profile is associated with a high safety score.

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

Label

Product Label

Label for Brewer's Yeast Vitality Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
Botanical with Nutrients
Product Type
89%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1.5 mg (100% DV)
1.2× RDA — within safe limits 76 studies (A:0, B:33)
1.7 mg (100% DV)
1.3× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (100% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
2 mg (100% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
6 mcg (100% DV)
2.5× RDA — within safe limits 139 studies (A:1, B:44)
300 mcg (100% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (100% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Market median: 450.0mg (390 products) 160 studies (A:0, B:63)

Other Ingredients

Brewer's Yeast Vegetable Cellulose Capsule Cellulose Silicon Dioxide Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food.

Warnings & Precautions

Keep out of reach of children.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

Formulation Notes

No artificial colors, no artificial flavors, no artificial sweeteners, no wheat, gluten free, no soy, no dairy.

Gluten free

Vegetarian Formula

Non GMO

Women's Health

Has an array of B vitamins needed for energy production.

Additional Information

Code 204312 EQG

Each pack contains:

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Actual size

Store in a cool, dry place.

GNC Quality Commitment For more than 79 years, GNC has been the leader in the development of superior nutritional supplements. Our products are produced using only fresh, high-quality ingredients and are manufactured under the strictest quality controls.

GNC Guarantee If you are not 100% completely satisfied, return the unused portion of the product with your receipt to a GNC store within 30 days. Our trained sales staff will either refund your purchase price or, if you prefer, assist you in finding a replacement product to help you live well.

New!

Provides energy, body toning, antioxidant and heart support

Gf Gluten free

V Vegetarian Formula

Non GMO

Clinically researched

Made with cultured vitamins and minerals, clinically researched ingredients and fruits and vegetables.

Contains essential vitamins and minerals for overall health.

Energy

Heart Supports heart health and cardiovascular function.

Metadata

Product Details

DSLD Entry Date2018-04-25
Product TypeBotanical with Nutrients
FormCapsule
BrandGNC SuperFoods
DSLD ID176189
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 →
Compare

Similar Products

Bio-Cetin Forte
Douglas Laboratories · Capsule
100
Benfotiamine-V 150 mg
Benfotiamine.Net · Capsule
100
Vitamin B1 250 mg
The Vitamin Shoppe · Capsule
100
Vitamin B1 250 mg
The Vitamin Shoppe · Capsule
100
Vitamin B1 (Thiamin) 100 mg
Solgar · Capsule
100
View all Thiamine products →
Thiamine research Best Thiamine All Thiamine products More from GNC SuperFoods View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.