Brewer's Yeast Vitality Complex

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

This product looks safe

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

Product Label

📄 Open Full PDF View on NIH DSLD →
📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

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

Supplement Facts — Evidence Check

1.5 mg (100% DV)
✅ 1.2× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 1.5mg
1.7 mg (100% DV)
✅ 1.3× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1.7mg
20 mg (100% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
6 mcg (100% DV)
✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.006mg
300 mcg (100% DV)
📊 10.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.3mg
10 mg (100% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
150 mg
📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)
This product: 150mg

Other Ingredients

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

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (47% of products)

Target Groups

Vegetarian Adult Female (18 - 50 Years) Gluten Free Dairy Free

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.

Product Details

DSLD Entry Date 2018-04-25
Product Type Botanical with Nutrients
Form Capsule
Brand GNC SuperFoods
Bundle Ultra Mega Green Women's Energy & Metabolism
DSLD ID 176189
Data Updated 2026-04-11

Research Evidence

100 Research Sources
56 Avg Quality Score
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 Cochrane
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 Cochrane
View all evidence for Thiamine →

Compare Similar Products

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