🟡 60/100

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  • Niacin: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)
  • 100% of ingredients have research evidence
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Safety Alerts

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

The safety score is low because the 500mg dose of niacin is more than 14 times the recommended maximum daily intake of 35mg.

Label Data

1 Tablet(s) Serving Size
Vitamin Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

500 mg (3125% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 14.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 500mg UL 35mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Silicon Dioxide Stearic Acid Magnesium Stearate Carnauba wax Ethylcellulose Rice Bran Powder Triacetin Diacetylated Monoglycerides Polyethylene Glycol Oleic Acid

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years) Kosher Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one tablet daily.

⚠️ Warnings & Precautions

Keep out of reach of children.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery. Niacin may cause a temporary flushing reaction.

🧪 Formulation Notes

No sugar, no starch, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no corn, no soy, no dairy.

Supports a healthy blood lipid profile Supports energy metabolism

Potency verified by GNC procedure #5103. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Ko Kosher Service

GF Gluten free

Additional Information

Store in a cool, dry place.

100-day supply

Ko Kosher Service

Product Details

UPC / SKU 0 48107 20576 8
DSLD Entry Date 2020-06-24
Product Type Vitamin
Form Tablet or Pill
Brand GNC
DSLD ID 224669
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
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
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
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
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
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
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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