🟡 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)

This product received a low score because its 500mg dose of niacin is more than 14 times higher than the recommended maximum daily limit of 35mg.

Label Data

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

Supplement Facts — Evidence Check

500 mg (2500% 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

Calcium Phosphate Vegetable Cellulose Vegetable Stearic Acid Vegetable Magnesium Stearate Silica

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) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take 1 tablet daily.

⚠️ Warnings & Precautions

Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Warning: Niacin may cause a warm flushing of the skin. This reaction can usually be relieved by drinking one or two glasses of water.

If you are pregnant or nursing, consult your physician before taking this product.

Keep out of reach of children.

In case if accidental overdose, seek professional assistance immediately.

🧪 Formulation Notes

Niacin 500 timed release niacin is formulated in a special base that provides for gradual release of the niacin over a period of several hours.

Mfg. in a Ko Kosher Certified, FDA Registered Facility using Good Manufacturing Practices (GMPs).

Mfg. in a Ko Kosher Certified, FDA Registered Facility using Good Manufacturing Practices (GMPs).

Conforms to USP <2091> for weight.

High potency timed release vitamin B-3

Helps maintain cholesterol levels that are already within normal range

Gluten free

Made in USA

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Product Details

UPC / SKU 3 64175 50090 2
DSLD Entry Date 2022-04-11
Product Type Vitamin
Form Tablet or Pill
Brand Foster Regal
DSLD ID 260166
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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