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B-50 Complex

product on market Capsule Nature's Way Safety: 92/100
92/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Folate: 666mg is 666.0× the Tolerable Upper Intake Level (1.0mg)
  • 90% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This complex provides essential B vitamins, including thiamine, riboflavin, and folate, which support cellular energy production and metabolic function. There is strong research evidence for the role of these nutrients in maintaining neurological health and red blood cell formation. The formulation maintains a high safety profile for general use.

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

Alerts

Safety Alerts

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

Folate: 666mg is 666.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for B-50 Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
100
Servings
Vitamin
Product Type
90%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mg (4167% DV)
41.7× RDA — above typical dose 76 studies (A:0, B:33)
50 mg (3846% DV)
38.5× RDA — above typical dose 13 studies (A:0, B:1)
50 mg (313% DV)
Exceeds UL by 1.4× (UL: 35 mg) 196 studies (A:5, B:63)
50 mg (2941% DV)
38.5× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
666 mcg DFE (167% DV)
Exceeds UL by 666.0× (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)
50 mg (1000% DV)
10.0× RDA — above typical dose 2 studies — no high-quality reviews
25 mg (5% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
50 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Gelatin Magnesium Stearate Cellulose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommendation: Adults take 1 capsule daily, preferably with food.

Warnings & Precautions

Keep out of reach of children.

Safety sealed with inner seal. Do not use if seal is broken or missing.

Do not exceed recommended dose.

If you are pregnant, nursing, or taking any medications, consult a healthcare professional before use.

Formulation Notes

Supports cellular energy and nerve health Helps convert food to fuel Supports maintenance of nerve structures Helps the body produce hormones and proteins

With all 8 B-vitamins

Gluten free. No wheat, dairy, or artificial colors or flavors.

Bottled and tested in the USA

High potency B-vitamin formula

Supports cellular energy & nerve health

Additional Information

Explore more products at naturesway.com

Keep tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.

Questions? 1-800-962-8873 / naturesway.com Bottle made from 50% post-consumer recycled plastic

Metadata

Product Details

UPC / SKU0 33674 40511 6
DSLD Entry Date2025-04-24
Product TypeVitamin
FormCapsule
BrandNature's Way
DSLD ID327875
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.