Nutricost Vitamin B3 Niacin Powder

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Regular price $16.95


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  • 250 Grams of Pure Vitamin B3 (Niacin) Powder Per Bottle
  • Warning: Will Likely Cause "Niacin Flush." For Non-Flush, try Niacinamide
  • Consuming On An Empty Stomach May Increase Flush Reaction
  • Non-GMO, Gluten Free, 3rd Party Tested
  • Made in A GMP Compliant, FDA Registered Facility


    Customer Reviews

    Based on 45 reviews
    Francisco Gutierrez
    It's not pure, dishonest marketing, and they won't tell you what else is in it.

    I bought the previous version of this and it was great, I loved it!

    Then I bought a bottle again and it tasted completely different. I wanted to find out why, I emailed support, they had me lookup the lot numbers of the current and previous bottle, maybe hoping I would have thrown the other one away, but I still had it, so I supplied them with the lot numbers. Their response was:

    "Thanks for your email! I have an update stating that sometimes we switch vendors to ensure the same retail price but always verify the ingredient is the same specifications for the potency. This product and Lot is just an updated version. Please let me know if you have any questions!"

    Then I asked, how can there be different potencies for a product that you claim is 100% niacin? Isn't 100% always the same potency? And they stopped responding. I prodded back about two more times and absolute silence. The silence is very incriminating.

    That's too bad, I used to really like them, I'll have to find a new seller. And since I can't trust them to not lie about the purity of their niacin, I can't trust them about any of their other products anymore, I guess it's time to try other brands.

    Niacin Powder

    Excellent product and works as researched if you have done your home work. Unfortunately some reviewers do not understand how to gradually introduce niacin into their daily use and would do themselves good by doing this research before use. Please do yourself a big favor and understand the flushing that is first experienced is normal. Once you introduce it on a regular basis the flushing goes away for the most part but understand the flushing is a very good thing. That is why you start with a very low dose so that your body doesn't totally freak out and you are not caught off guard emotionally. Try researching flushing from niacin at or Dr. Saul on youtube and or his book on Niacin ,and there are many more resources available.. Once again, this product does what it is suppose to do and I've been using if for just over 3 years now.

    stephan schwebke

    Does as advertised


    Outstanding Product line and Fabulous Customer Service.

    Ryan M.
    Strong Flush

    Works great .. don’t start with 1 full scoop ... this is the definition of “Flushing Niacin”



    In the unlikely event that you’re not completely satisfied with ANY Nutricost™ product, we don’t want to keep your money. Even though our products are of the utmost quality, no supplement works for everyone. Contact us and we’ll refund 100% of your purchase price (minus S&H).

    Have questions about our products? Want to leave a comment about our service? Simply fill out the form below and one of our customer service representatives will contact you shortly.

    If you wish to speak with a representative of the Company feel free to call (866-438-3694) or send us an email at with any and all questions or concerns related to our products and services


    Our goal is to have your order processed within 1-2 business days depending on production of items ordered, size of order, and availability. Once Shipped, usually takes 3-5 business days for shipment to be received. (International orders may take longer due to customs).We try to get your order shipped as fast as possible while still upholding to our standard of quality.

    Due to certain circumstances out of our control shipping times may vary.



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