ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2026 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Niacin (Vitamin B3)

Niacin (Vitamin B3)

BulkSupplements.com

#Other
65
Safety60
Efficacy70
Transparency90
Based on Examine, Wikipedia, and 23 other sources

Overview

Niacin supplementation can effectively improve blood lipid profiles and increase NAD+ levels, which can improve cellular metabolism. However, its effect on cardiovascular disease prevention is unclear. The supplement can also lead to increased insulin resistance. More research is needed to determine the long term impacts.

The Good

Effective at improving cholesterol levels

May support cognitive function and longevity

Contributes to the conversion of food into energy

The Bad

May cause flushing, especially at higher doses

Can increase insulin resistance with prolonged use

Potential gastrointestinal issues

Is it for you?

Best For: Individuals looking to supplement Vitamin B3, those seeking support for energy and cardiovascular health (under medical guidance)

Skip If: You have liver disease, peptic ulcers, gout, or are pregnant/nursing without consulting a doctor. Be aware of niacin flush.

Ingredients Analysis

Vitamin B3

500 mg

Niacin

500 mg NE

How to Use

Mix recommended dose with water or preferred beverage. Start with a low dose to assess tolerance.

Frequency:

Daily

Best Time:

Morning or Evening

When:

With food

Who Should Use This

Best For:

Individuals looking to supplement Vitamin B3, those seeking support for energy and cardiovascular health (under medical guidance)

Recommended Articles

Herbal Boosters & COVID-19 Antivirals: Safe Mix?

Herbal Boosters & COVID-19 Antivirals: Safe Mix?

Herbal supplements may interact with COVID-19 antivirals, requiring careful consideration and further research.

2025's Top Vegan Protein Powders: A Buyer's Guide

2025's Top Vegan Protein Powders: A Buyer's Guide

In 2025, the best vegan protein powders are third-party tested, ensuring purity, safety, and high nutritional content.

Immune Supplements & Pregnancy Safety 2025

Immune Supplements & Pregnancy Safety 2025

The safety of immune-boosting supplements during pregnancy in 2025 hinges on supplement type, dosage, and health conditions.

Top Immune Support Ingredients: What Works?

Top Immune Support Ingredients: What Works?

Vitamin D, zinc, and echinacea are key ingredients in immune support supplements, backed by scientific evidence.