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B-Complex "100"

product on market Capsule Solgar Safety: 92/100
92/100

This product looks safe

  • Niacin: 100mg is 2.9× 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 B-complex blend contains essential vitamins that support cellular energy production and metabolic function. Research provides strong evidence for the role of B vitamins in 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: 100mg is 2.9× 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 "100"
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetable Capsule(s)
Serving Size
Other Combinations
Product Type
90%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mg (8333% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
100 mg (7692% DV)
76.9× RDA — above typical dose 13 studies (A:0, B:1)
100 mg (625% DV)
Exceeds UL by 2.9× (UL: 35 mg) 196 studies (A:5, B:63)
100 mg (5882% DV)
76.9× 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)
100 mcg (4167% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
100 mcg (333% DV)
3.3× RDA — above typical dose 27 studies (A:0, B:11)
100 mg (2000% DV)
20.0× RDA — above typical dose 2 studies — no high-quality reviews
20 mg (4% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
100 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Vegetable Cellulose Vegetable Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Adults, take one (1) vegetable capsule daily, preferably with a meal or as directed by a healthcare practitioner.

Warnings & Precautions

Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement.

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

Keep out of reach of children.

Do not use if outer bottle seal is missing or damaged.

Formulation Notes

Each required nutrient in the Vitamin B Complex performs a unique role in maintaining proper metabolic functioning, while nutritionally supporting the body during the occasional stress of daily living. B Complex vitamins are needed for the metabolism of carbohydrates, fats and proteins, which converts food into energy.

Solgar’s KOF-K certification #K-1250

Non-GMO Gluten, Wheat & Dairy free

Suitable for vegans

M Halal

Free of: Gluten, Wheat, Dairy, Soy, Yeast, Sugar, Sodium, Artificial Flavor, Sweetener, Preservatives and Color.

Additional Information

In addition, these vitamins play a necessary role in supporting cardiovascular and nervous system health.

SOLGB71149 04F

Since 1947 Energy metabolism Cardiovascular support Nervous system support

M Halal GF Certified Gluten-free K Parve

Store at room temperature.

Metadata

Product Details

UPC / SKU0 33984 01150 2
DSLD Entry Date2019-04-25
Product TypeOther Combinations
FormCapsule
BrandSolgar
DSLD ID201215
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.