Home/ Supplements/ Thiamine/ B-100 Full Spectrum B-Complex

B-100 Full Spectrum B-Complex

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

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • Folate: 680mg is 680.0× 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

The B-complex profile includes thiamine, riboflavin, niacin, B6, and folate, which are supported by strong evidence for their roles in energy metabolism and neurological function. These essential vitamins facilitate cellular energy production and support cognitive health. Research consistently validates their efficacy in maintaining systemic metabolic processes.

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: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

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

Label Data

1 Vegetable Capsule(s)
Serving Size
75
Servings
Other Combinations
Product Type
82%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mg (8330% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
100 mg (7690% DV)
76.9× RDA — above typical dose 13 studies (A:0, B:1)
100 mg NE (630% 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)
680 mcg DFE (170% DV)
Exceeds UL by 680.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
100 mcg (1670% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
100 mcg (330% 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
41 mg (8% DV)
Within RDA (0.1× RDA) 38 studies (A:1, B:7)
100 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
100 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Vegetable capsule
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 1 capsule daily, or as directed by a physician.

Warnings & Precautions

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

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

Discontinue use two weeks prior to surgery.

Formulation Notes

Vegetarian

Gluten free Non-GMO Lactose free No excipients, no fillers, allergen free, no artificial color, flavor or sweetener, no preservatives, no starch, no sugar, no soy, no wheat, no yeast, no fish, no milk, sodium free.

Manufactured in our GMP & FDA Inspected Facility FDA Registration: 16906175560

OU (Kosher)

Additional Information

Since 1996

Made in USA with ingredients sourced worldwide

Daily essentials

OU (Kosher)

Metadata

Product Details

UPC / SKU6 49908 23096 8
DSLD Entry Date2021-05-22
Product TypeOther Combinations
FormCapsule
BrandNutraBio
DSLD ID248193
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.