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B-Complex

product on market Capsule Priority One Nutritional Supplements Safety: 96/100
96/100

This product looks safe

  • Niacinamide: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)
  • 65% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This B-complex contains thiamine, riboflavin, niacinamide, vitamin B6, and folate, which are essential for cellular energy metabolism and neurological function. There is strong clinical evidence supporting the role of these vitamins in maintaining metabolic health. The formulation maintains a high safety profile with minimal reported concerns.

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

Alerts

Safety Alerts

Niacinamide: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for B-Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetarian Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
65%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

49 mg (4104% DV)
40.8× RDA — above typical dose 76 studies (A:0, B:33)
50 mg (3847% DV)
38.5× RDA — above typical dose 13 studies (A:0, B:1)
50 mg NE (313% DV)
Exceeds UL by 1.4× (UL: 35 mg) 196 studies (A:5, B:63)
49 mg (2882% DV)
37.7× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
680 mcg DFE (170% DV)
Exceeds UL by 680.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
50 mcg (2083% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
50 mcg (167% DV)
1.7× RDA — within safe limits 27 studies (A:0, B:11)
91 mg (1829% DV)
18.2× RDA — above typical dose 2 studies — no high-quality reviews
23 mg (4% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
100 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
50 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Hops extract
10 mg
10 mg
Market median: 60.0mg (94 products) 13 studies (A:0, B:7)
Watercress
10 mg
Alfalfa extract
3 mg
Parsley Leaf Extract
3 mg
Market median: 300.0mg (214 products) 25 studies (A:0, B:6)

Other Ingredients

Silicon Dioxide Maltodextrin Hypromellose Water, Purified
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommendations: Take one (1) capsule daily preferably with a meal or as directed by physician.

Warnings & Precautions

Warning: If you are pregnant or breast feeding, consult your physician before using this product.

Keep out of reach of children.

For professional use only.

Contains soy (lecithin)

Formulation Notes

Contains no preservatives.

Vegetarian formulation

Additional Information

Keep container tightly closed, store in a cool, dry place.

Bisphenol-A (BPA) & Phthalate Free

GMP Certified

Not a significant source of total sugars.

Metadata

Product Details

UPC / SKU8 15354 02016 7
DSLD Entry Date2022-11-22
Product TypeOther Combinations
FormCapsule
BrandPriority One Nutritional Supplements
DSLD ID277340
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
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.