Vital Nutrients Niacin 500 mg supplement bottle
Vital Nutrients

Niacin 500 mg Review

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 2026
93
Product Score Excellent
94
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Niacin 500 mg 3125%
Bioavailability Excellent

Absorption Rating

  • Niacin Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable wax
  • Magnesium Stearate
  • Vegetable Magnesium Stearate
  • Stearic Acid
  • Vegetable Stearic Acid
  • Silica
  • Rice Bran Wax
Efficacy Very Good

Dosage Analysis

  • Niacin 500 mg High

Supplement Facts

Ingredient Amount % Daily Value
Niacin 500 mg 3125%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable wax Unknown
Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Rice Bran Wax Generally_safe

It is used as a coating agent or emulsifier.

Brand Trust Report
Vital Nutrients

Founded 2001 · Middletown, CT, United States · 160 products · vitalnutrients.co

Certifications

4 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
NSF Certified Verified
USDA Organic Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed
In House Testing — Verified Source
Testing Lab Disclosure — True

Violation History

1 incident
Fda Warning Violations of cGMP regulations, including failure to conduct testing to confirm finished products met specifications for strength of each ingredient, failure to establish component specifications for raw materials, and failure to prepare and follow a written master manufacturing record.2011-02-18Source
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Frequently Asked Questions
Is Vital Nutrients Niacin 500 mg a good supplement?

Vital Nutrients Niacin 500 mg received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 90 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Vital Nutrients, holds a brand trust score of 94/100 with 4 verified certifications including Nsf Gmp, Fda Gmp Inspections, NSF Certified, USDA Organic.

What are the ingredients in Vital Nutrients Niacin 500 mg?

Vital Nutrients Niacin 500 mg contains 1 active ingredients: Niacin (500 mg). Notable high-dose ingredients include Niacin at 3125% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Vital Nutrients Niacin 500 mg safe to take?

Vital Nutrients Niacin 500 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Vital Nutrients a trustworthy supplement brand?

Vital Nutrients receives a brand trust score of 94/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2001 and headquartered in Middletown, CT, United States, the company offers 160 products in their lineup. They hold 4 verified certifications including Nsf Gmp, Fda Gmp Inspections, NSF Certified, USDA Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Vital Nutrients has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.