Niacin (Vitamin B3) 100 mg by Solgar — Ingredients, Evidence & Safety

Product Label

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Safety Alerts

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

The safety score is low because the 100mg dose of Niacin is nearly three times the recommended maximum daily limit of 35mg.

Label Data

1 Tablet(s) Serving Size

100 Servings

Vitamin Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Niacin

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

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Stearic Acid Magnesium Stearate Cellulose

Label Claims — Verification

❓ All Other

❓ Structure/Function

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

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Women (not pregnant or lactating) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested use: As a dietary supplement for adults, take one (1) tablet daily, with a meal or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Notice: Use of this product may cause a temporary skin flushing (hot feeling and skin redness), burning, itching, or rash caused by an increase in blood flow near the skin. Do not take on an empty stomach. Do not take more than the recommended dose unless prescribed by your healthcare practitioner.

Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement.

Discontinue use and consult your healthcare practitioner if any adverse reactions occur.

Keep out of reach of children.

Do not use if outer bottle seal is missing or damaged.

🧪 Formulation Notes

Niacin (vitamin B3), is a water-soluble vitamin and is part of the B complex. It is required for the metabolism of carbohydrates and protein into energy. Niacin also supports cardiovascular health, promotes increased blood flow, and supports the health of the nervous system.

Solgar’s KOF-K certification #K-1250

Cardiovascular support Supports energy metabolism

Non-GMO Gluten, wheat & dairy free GF Certified Gluten-free

Suitable for vegans

K Parve (Kosher)

Free of: Gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener and color.

Additional Information

For more information, call toll-free 1-877-SOLGAR 4, www.solgar.com

GF Certified Gluten-free K Parve (Kosher)

Store at room temperature.

Product Details

UPC / SKU 0 33984 01860 0

DSLD Entry Date 2022-05-19

Product Type Vitamin

Form Tablet or Pill

Brand Solgar

DSLD ID 263988

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

PubMed DOI Cochrane

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 Cochrane

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 →