B-Complex 50
93/100
This product looks safe
- Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
- Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
- 82% of ingredients have research evidence
D
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
⚠️ Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
Label Data
1 Capsule(s)
Serving Size
Other Combinations
Product Type
82%
Evidence Coverage
Supplement Facts — Evidence Check
50 mg
(4167% DV)
📊 41.7× RDA — above typical dose
📚 76 studies (Tier A: 0, B: 33)
50 mg
(3846% DV)
📊 38.5× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
50 mg
(313% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
50 mg
(2941% DV)
📊 38.5× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
667 mcg DFE
(167% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 667.0× (UL: 1.0 mg)
📚 225 studies (Tier A: 10, B: 105)
50 mcg
(2083% DV)
📊 20.8× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
50 mcg
(167% DV)
✅ 1.7× RDA — within safe limits
📚 26 studies (Tier A: 0, B: 11)
50 mcg
(1000% DV)
📊 Market median: 9.0mg (620 products)
📚 1 studies — no high-quality reviews
20 mg
(4% DV)
📊 Market median: 125.0mg (294 products)
📚 36 studies (Tier A: 1, B: 7)
50 mg
📊 Market median: 550.0mg (217 products)
📚 29 studies (Tier A: 0, B: 5)
50 mg
📊 Market median: 500.0mg (9 products)
Other Ingredients
Gelatin
Corn Starch
Calcium Silicate
Mono & Diglycerides
Magnesium Stearate
Rice Bran Powder
Stearic Acid
Silicon Dioxide
Brewer's Yeast
Soy Lecithin
Alfalfa leaf powder
Watercress herb powder
Parsley herb powder
Label Claims — Verification
❓
Nutrient
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (83% of products)
Nutrient (47% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
Directions: As a dietary supplement, take one capsule daily.
⚠️ Warnings & Precautions
Keep out of reach of children.
Contains: Wheat and soybeans.
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. Niacin may cause a temporary flushing reaction. Inform your physician of this product's biotin before any lab test.
🧪 Formulation Notes
Potencies verified by GNC procedures #5103 and #5118. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
Metabolism & energy production Immune & nervous system functions Healthy brain, skin, hair and nails
Additional Information
Store in a cool, dry place.
100-day supply
Product Details
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
B
Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
B
Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
B
Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
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
B
Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
B
Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
B
The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
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
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