🟢 84/100

This product is generally safe

  • Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • Folate: 666mg is 666.0× the Tolerable Upper Intake Level (1.0mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 75% of ingredients have research evidence
D Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
⚠️ Folate: 666mg is 666.0× the Tolerable Upper Intake Level (1.0mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Caplet(s) Serving Size
Other Combinations Product Type
75% Evidence Coverage

Supplement Facts — Evidence Check

150 mg (12500% DV)
📊 125.0× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 150mg
150 mg (11538% DV)
📊 115.4× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 150mg
150 mg (938% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 4.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 150mg UL 35mg
100 mg (5882% DV)
📊 76.9× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 100mg UL 100mg
666 mcg DFE (167% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 666.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 666mg UL 1.0mg
150 mcg (6250% DV)
📊 62.5× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.15mg
150 mcg (500% DV)
📊 5.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.15mg
150 mg (3000% DV)
📊 30.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 150mg
61 mg (11% DV)
✅ Within RDA (0.1× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 61mg UL 3500mg
150 mg
📊 Market median: 500.0mg (9 products)
This product: 150mg
150 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 150mg
Proprietary Blend
7.5 mg

Other Ingredients

Vegetable Cellulose Contains <2% of:

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

Directions: For adults, take one (1) caplet daily, preferably with a meal.

⚠️ Warnings & Precautions

Contains soy ingredients.

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if seal under cap is broken or missing.

🧪 Formulation Notes

Contains soy ingredients.

No artificial color or flavor, no preservatives, no sugar, no starch, no milk, no lactose, no gluten, no wheat, no yeast, no fish. Sodium free.

B-Complex Vitamin

Vegetarian Dietary Supplement

Additional Information

State-of-the-art manufacturing and packaging facilities ensure you the highest quality nutritional supplements money can buy. When it comes to your health...choose the best.

Store at room temperature.

Coated for ease of swallowing

To reorder item # 3802 www.puritan.com 1-800-645-1030

QA Quality Assured

Item # 3802 B3801 11F

B

Product Details

UPC / SKU 0 74312 13802 7
DSLD Entry Date 2017-07-25
Product Type Other Combinations
Form Other (e.g. tea bag)
DSLD ID 76478
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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