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Vitamin B Complex

product on market Capsule Purest Vantage Safety: 96/100
96/100

This product looks safe

  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 90% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

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

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

Alerts

Safety Alerts

Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

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

Label Data

1 Capsule(s)
Serving Size
90
Servings
Vitamin
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)
20 mg (125% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
60 mg (3529% DV)
46.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
667 mcg DFE (167% DV)
Exceeds UL by 667.0× (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

Methylcellulose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take 1 capsule daily, or as directed by your healthcare practitioner.

Warnings & Precautions

Caution: Pregnant or nursing mothers, those trying to conceive, children under the age of 18, and individuals with a known medical condition should consult a healthcare professional before using this or any dietary supplement.

Caution: Pregnant or nursing mothers, those trying to conceive, children under the age of 18, and individuals with a known medical condition should consult a healthcare professional before using this or any dietary supplement. Keep out of reach of children

Do not use if safety seal is damaged or missing.

Formulation Notes

Does not contain: GMOs, fillers, binders, preservatives, stearates, artificial ingredients, silicone dioxide, titanium dioxide, soy, gluten, lactose, corn, wheat, yeast, nuts, or sugars.

Made in the USA with global ingredients

High strength formula

Contains all essential B-vitamins

Additional Information

Store in a cool, dry place.

GMP Good Manufacturing Practice

Metadata

Product Details

UPC / SKUX001M8L94L
DSLD Entry Date2022-10-24
Product TypeVitamin
FormCapsule
BrandPurest Vantage
DSLD ID276281
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.