🟢 97/100

This product looks safe

  • Niacinamide: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)
  • 69% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacinamide: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)

Label Data

3 Tablet(s) Serving Size
Other Combinations Product Type
69% Evidence Coverage

Supplement Facts — Evidence Check

105 mg (7000% DV)
📊 87.5× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 105mg
105 mg (6176% DV)
📊 80.8× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 105mg
25 mg (1250% DV)
📊 19.2× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 25mg UL 100mg
105 mcg (1750% DV)
📊 43.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.105mg
Vitamin C
500 mg (830% DV)
250 mg (2500% DV)
📊 50.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 250mg
500 mg (830% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 14.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 500mg UL 35mg
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
20 mcg (6% DV)
✅ Within RDA (0.7× RDA of 0.03 mg) 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.02mg
5 mcg (7% DV)
✅ Within RDA (0.1× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.005mg UL 0.4mg
500 mcg (420% DV)
📊 14.3× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.5mg
Tissue concentrates
Also Contains

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Sugar Free

Product Information

📋 Directions for Use

Directions for use: One to three tablets daily, or as directed.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT OUTER SEAL - DO NOT USE IF BROKEN.

🧪 Formulation Notes

Contains no starch, salt, sugar, wheat, corn, yeast, soy or preservatives.

Additional Information

Product # 1255

FOR DISTRIBUTION BY HEALTH CARE PROFESSIONALS ONLY.

Store in cool, dry place.

Manufactured under strict GMP and USP guidelines.

"When You Want The Best"

9257 MFG09/2009

Product Details

DSLD Entry Date 2013-11-25
Product Type Other Combinations
Form Tablet or Pill
Brand Nutri-West
DSLD ID 27778
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
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
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
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
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
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
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
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
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
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004
View all evidence for Thiamine →

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