🟢 96/100

This product looks safe

  • Vitamin B3: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin B3: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

100 mg (625% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 100mg UL 35mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 200mg
📊 Market median: 250.0mg (337 products) 📚 125 studies (Tier A: 1, B: 41)
This product: 200mg
📊 Market median: 1000.0mg (2 products)
This product: 200mg
L-Cysteine
100 mg
📊 Market median: 375.0mg (171 products) 📚 30 studies (Tier A: 1, B: 14)
This product: 100mg
📊 Market median: 500.0mg (138 products) 📚 2 studies — no high-quality reviews
This product: 100mg
Rosemary, Powder
100 mg
45 mg
📊 Market median: 60.0mg (94 products) 📚 13 studies (Tier A: 0, B: 7)
This product: 45mg
BioPerine
5 mg

Other Ingredients

Gelatin Rice Flour Magnesium Stearate Silicon Dioxide

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: Take two capsules daily or as directed by your health care provider.

⚠️ Warnings & Precautions

Warnings: Keep out of reach of children.

Pregnant and nursing women should avoid use without doctor approval.

Do not use if seal is broken.

Contains: Soy

🧪 Formulation Notes

BioPerine

GF Naturally Gluten free Non GMO Dairy free Egg free Nut free Crustacean free BPA Free

Joint health formula Supports joint flexibility

Additional Information

Store in a cool, dark, dry place.

Guaranteed Pure

Doctor Formulated

Product Details

UPC / SKU X0034CY977
DSLD Entry Date 2025-03-25
Product Type Other Combinations
Form Capsule
Brand Zenith Labs
DSLD ID 326183
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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