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B-100 Complex

product on market Capsule NutraBio Safety: 97/100
97/100

This product looks safe

  • Vitamin B3: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 82% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This complex provides essential B vitamins, including thiamine, riboflavin, and B12, which support cellular energy metabolism and neurological function. There is strong research evidence for the role of these nutrients in maintaining metabolic health. The formulation maintains a high safety profile for general use.

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

Alerts

Safety Alerts

Vitamin B3: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for B-100 Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Vegetable Capsule(s)
Serving Size
250
Servings
Other Combinations
Product Type
82%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mg (6667% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
100 mg (5882% DV)
76.9× RDA — above typical dose 13 studies (A:0, B:1)
100 mg (500% DV)
Exceeds UL by 2.9× (UL: 35 mg) 196 studies (A:5, B:63)
100 mg (5000% DV)
76.9× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
100 mcg (1667% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
100 mcg (33% DV)
3.3× RDA — above typical dose 27 studies (A:0, B:11)
100 mg (1000% DV)
20.0× RDA — above typical dose 2 studies — no high-quality reviews
100 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Within RDA (0.2× RDA) 38 studies (A:1, B:7)
100 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Vegetable Capsules
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

2 capsules, 1-2 daily, with meals

Suggested Use: As a dietary supplement, take 2 capsules 1-2 times daily preferably with a meal or as directed by a physician.

Warnings & Precautions

If you are pregnant, breastfeeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medications consult with your health care practitioner before using product.

Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.

Formulation Notes

Vegetarian

Zero Fillers or Excipients -Inferior Ingredients Banned Substances -Added Sugars - Proprietary Blends Hidden Ingredients

Allergen Free

No fillers - No excipients -No additives

Free of Harmful Impurities

Non-GMO, Gluten Free, BSE/TSE free

OU

Additional Information

23097-006 B20080-003

250 Servings

Manufactured in a GMP & FDA Inspected Facility

100% Pure / High Bioavailability

Full Spectrum B-Complex

Pharmaceutical Grade -HPLC Lab Tested for Potency

True Label FulL Label Disclosure

Vegetable Capsule

OU

Store in a cool dry place

Since 1996

Made In USA

Metadata

Product Details

UPC / SKU6 49908 23097 5
DSLD Entry Date2015-09-25
Product TypeOther Combinations
FormCapsule
BrandNutraBio
DSLD ID50765
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.