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B-Complex "50"

product on market Capsule Solgar Safety: 93/100
93/100

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)
  • 82% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This B-complex provides essential vitamins that support energy metabolism and neurological function. There is strong evidence for the roles of thiamine, riboflavin, and folate in cellular health. However, the overall evidence coverage for this specific formulation is limited.

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-Complex "50"
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetable Capsule(s)
Serving Size
Other Combinations
Product Type
82%
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
21 mg (4% 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)
Herbal Powdered Blend
3.5 mg

Other Ingredients

Vegetable Cellulose Vegetable Magnesium Stearate Silica Microcrystalline Cellulose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement for adults, take one (1) vegetable capsule daily, preferably with a meal or as directed by a healthcare practitioner.

Warnings & Precautions

If you are pregnant, nursing, taking any medications, have any medical condition, or are planning to undergo any clinical lab testing, consult your healthcare practitioner before use. Some supplements may interact with certain medications and/or interfere with certain lab tests.

Discontinue use and consult your healthcare practitioner if any adverse reactions occur. Do not use if inner bottle seal is missing or damaged.

Keep out of reach of children.

Formulation Notes

Energy metabolism Cardiovascular support Nervous system support

Gluten, wheat & dairy free

Suitable for vegans

Crescent M Halal

K Parve (Kosher)

Free of: Gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor and color.

B Complex vitamins are needed for the metabolism of carbohydrates, fats and proteins, which convert food into energy.

Solgar’s KOF-K certification #K-1250

Additional Information

Solgar Since 1947

Crescent M Halal K Parve (Kosher)

GF Certified Gluten-free

For more information, call toll-free 1-877-SOLGAR 4, www.solgar.com

Store at room temperature.

Metadata

Product Details

UPC / SKU0 33984 01120 5
DSLD Entry Date2020-11-21
Product TypeOther Combinations
FormCapsule
BrandSolgar
DSLD ID239311
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.