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B-100 Complex

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

This product looks safe

  • Niacin: 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 B vitamins including thiamine, riboflavin, and niacin, which are essential for energy metabolism and neurological function. There is strong evidence supporting the role of these nutrients in maintaining cellular health. The formulation maintains a high safety profile for general supplementation.

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

Alerts

Safety Alerts

Niacin: 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

1 Capsule(s)
Serving Size
300
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 (1000% 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
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)
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews

Other Ingredients

Gelatin Vegetable Magnesium Stearate Silicon Dioxide Stearic Acid Microcrystalline Cellulose Dicalcium Phosphate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions As a dietary supplement, take 1 capsule with food daily, or as directed by a healthcare professional.

Warnings & Precautions

Warnings Pregnant or lactating women, those with diabetes, hypoglycemics, and people with known medical conditions and/or taking drugs should consult with a licensed physician and/or pharmacist prior top taking dietary supplements.

Keep out of reach of children.

Formulation Notes

Complete B-Complex with Choline

Free of Milk, eggs, peanuts, tree nuts, crustacean shellfish, fish, soy, gluten, titanium dioxide.

Vitacost B-Complex Description Supports good health with a combination of essential B vitamins! What is B-100 Complex? Vitamin B-100 Complex provides 100 mg of each B vitamin -- vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacinamide), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine HCl), vitamin B12 (methylcobalamin) and biotin - and 400 mcg of folic acid, in one convenient tablet. Also included are 100 mg each of choline, inositol and PABA.

What are the key benefits of Vitacost B-100 Complex? B vitamins function as cofactors for enzymes essential to healthy cell function and energy production. Vitamin B1 (thiamin) supports proper functions of the nervous system. Vitamin B2 (riboflavin) and vitamin B5 (pantothenic acid) support healthy metabolism. Vitamin B6 (pyridoxine) support the nervous and immune systems Vitamin B12 (methylcobalamin) plays a part in homocysteine leve important for heart health Choline is a key structural component of cellular membranes Inositol supports mental health and stable, even moods

Why is Vitacost B-100 Complex your everyday essential? Provides all the B vitamins for optimum health A convenient way to get 8 vitamins in one capsule every day.

Additional Information

Keep dry and at room temperature (59(0)-86(0)F [15(0)-30(0)C]).

Contains 300 servings per bottle Exceptional quality at an extraordinary value!

Potency Purity Pride All Vitacost supplements are formulated to deliver the level of support you expect and deserve. Whether you're shopping Vitacost vitamins, minerals, herbs, or other key nutrients, their potency is guaranteed - what's on the label is what's in the bottle. Plus, all Vitacost supplements adhere to the FDA's Current Good Manufacturing Practices (CGMPs), ensuring that they are manufactured to high standards of potency, purity, efficacy and safety. We take pride in what we do, which is why we promise if you don't love your product, we'll take it back - even if the bottle is empty.

Metadata

Product Details

UPC / SKU8 35003 00698 4
DSLD Entry Date2019-10-23
Product TypeOther Combinations
FormCapsule
DSLD ID207615
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.