Home/ Supplements/ Niacin/ Vitamin B3 Niacin 500 mg

Vitamin B3 Niacin 500 mg

product on market Capsule Life Extension Safety: 60/100
60/100

Review before taking

  • Niacin: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Niacin is used to support cholesterol levels and cardiovascular health, though research evidence for these specific effects varies. Due to a safety score of 60, users should be aware of potential concerns such as skin flushing or liver enzyme elevations. Evidence for general B-vitamin supplementation is moderate.

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

Alerts

Safety Alerts

Niacin: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)

✨ AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a low safety score because the amount of Niacin provided is over 14 times higher than the recommended maximum daily limit.

Label

Product Label

Label for Vitamin B3 Niacin 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
100
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg NE (3125% DV)
Exceeds UL by 14.3× (UL: 35 mg) 196 studies (A:5, B:63)

Other Ingredients

Gelatin Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take one (1) capsule daily with meals, or as recommended by a healthcare practitioner.

Warnings & Precautions

Read the entire label and follow the directions carefully.

Caution: Temporary flushing, itching, rash, gastric disturbances, lightheadedness, or unexpected drop in blood pressure may occur. Liver function testing is recommended when niacin is taken in excess of 500 mg daily.

Warnings: Keep out of reach of children.

Do not exceed recommended dose. Do not purchase if outer seal is damaged.

Consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

To report a serious adverse event or obtain product information, contact 1-866-280-2852.

Formulation Notes

Gluten free Non GMO Le certified

Promotes cardiovascular health

Additional Information

Scan for product info

Non GMO Le certified

Store tightly closed in a cool, dry place.

Metadata

Product Details

UPC / SKU7 37870 37210 3
DSLD Entry Date2025-04-24
Product TypeVitamin
FormCapsule
BrandLife Extension
DSLD ID328764
Data Updated2026-04-11
Research

Research Evidence

241
Research Sources
55
Avg Quality
113
Meta Analysis
75
Systematic Review
32
Rct
11
Clinical Trial
3
Other
3
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013 PubMed DOI
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014 PubMed DOI
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024 PubMed DOI
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010 PubMed DOI
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010 PubMed DOI
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019 PubMed DOI
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016 PubMed DOI
View all evidence for Niacin →
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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.