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B-Complex

product on market Capsule Vital Nutrients Safety: 92/100
92/100

This product looks safe

  • Niacin: 75mg is 2.1× the Tolerable Upper Intake Level (35mg)
  • Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)
  • 89% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This B-complex formula contains essential vitamins that support energy metabolism and neurological function. Research provides strong evidence for the roles of thiamine, riboflavin, and niacin in cellular energy production. However, the overall evidence coverage for this specific profile is limited.

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

Alerts

Safety Alerts

Niacin: 75mg is 2.1× 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
Vitamin
Product Type
89%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mg (8333% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
75 mg (469% DV)
Exceeds UL by 2.1× (UL: 35 mg) 196 studies (A:5, B:63)
25 mg (1471% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
15 mg (999% DV)
11.5× 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)
500 mcg (20833% DV)
208.3× RDA — above typical dose 139 studies (A:1, B:44)
400 mcg (1333% DV)
13.3× RDA — above typical dose 27 studies (A:0, B:11)
200 mg (4000% DV)
40.0× RDA — above typical dose 2 studies — no high-quality reviews

Other Ingredients

Cellulose Magnesium Silicate Ascorbyl Palmitate Silica Leucine
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Recommendations 1 capsule per day, or as directed by your healthcare professional.

Warnings & Precautions

Keep out of reach of children

Use only if safety seal is intact

Warning If pregnant, consult your physician before taking.

Formulation Notes

Excludes coatings, binders, gluten (wheat, rye, barley), milk/dairy (casein, whey), soy protein, egg protein, sugar. Verified by independent testing

Raw materials and finished products are independently tested by U.S. labs. Learn more at vitalnutrients.net

Additional Information

Store sealed in a cool dry place

Metadata

Product Details

UPC / SKU6 93465 50011 8
DSLD Entry Date2024-01-24
Product TypeVitamin
FormCapsule
BrandVital Nutrients
DSLD ID304946
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
View all evidence for Thiamine →
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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.