Nutricost Niacin (Vitamin B3) 500mg, 240 Caps - Gluten Free and Non-GMO

US $14.98
Condition:
New
53 available5,365 sold
This one's trending. 5365 have already sold.
Breathe easy. Returns accepted.
Shipping:
Free 2-4 day delivery
Get it between Sat, Nov 15 and Tue, Nov 18 to 94104.
Located in: Orem, Utah, United States
Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Payments:
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eBay item number:401388669115
Last updated on Nov 10, 2025 11:24:22 PSTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Main Purpose
General Wellness
Expiration Date
Approximately 2 Years
Non-Domestic Product
No
Servings Per Bottle
240
Custom Bundle
No
Ingredients
Niacin, Capsule (Gelatin), Magnesium stearate (vegetable source), Silica
Product
Niacin
Modified Item
No
Active Ingredients
Niacin (as Nicotinic Acid)
Misc Info
Double Strength
Brand
Nutricost
Type
Niacin Supplement
Number of Capsules
240
Formulation
Capsule
Milligrams Per Serving
500 mg
Number of Pills
240
Features
Gluten Free, Non-GMO, Gluten-Free
Serving Size
1 Capsule
UPC
702669933162
Category

Item description from the seller

About this seller

The Official eSupplements Store

99.7% positive feedback1.1M items sold

Joined Jan 2005
Welcome to the official eSupplements eBay Store. We specialize in the highest quality diet, exercise, health and skin care products available anywhere. We offer premium-grade proteins, top-rated ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (351,760)

All ratingsselected
Positive
Neutral
Negative
  • 4***2 (949)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Seller is stellar! The Niacin is beyond potent! OMG. The flush, the heat, the extreme itching were all overwhelming! I thought I would lose my mind. I made a huge mistake by buying capsules, rather than tablets. At least with tabs, I could cut them into smaller pieces. Buyer beware. I recommend buying lower doses or tablets.
  • t***u (1961)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    I'm looking for a weaker formulation as the famous "Niacin Flush" from 500 mg caps are too much (or too spooky) for me. At least starting out using B-3, I just bought the 100 mg caps so I can get a handle on the one thing I don't really care for. The infamous "Niacin Flush" which in the 100 mg size should be milder and shorter in duration so it should be not as pronounced as the larger dose capsules. We'll see...
  • 1***n (325)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    The value condition quality as well as appearance are as described. First time using with the Flushing is very interesting! Did not know nor have I experienced the feeling. Yet, I am grateful for Holy Spirit, which informed me accordingly. 
See all feedback

Product ratings and reviews

4.2
64 product ratings
  • 48 users rated this 5 out of 5 stars
  • 3 users rated this 4 out of 5 stars
  • 2 users rated this 3 out of 5 stars
  • 3 users rated this 2 out of 5 stars
  • 8 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Top favorable review

    The perfect size capsule

    I take this supplement at 2 x 3 capsules / day. Little or no flush. Only because one has to accommodate to the dosage starting at lower levels and working up. To those complaining about the flush...it's not the product; it's not gradually working up to the level you desire. I take this in lieu of statins for cholesterol / blood lipids.

    Verified purchase: YesCondition: NewSold by: esupplementsllc

  • Top critical review

    Read the side effects before ordering or taking these megadose pills.

    After taking the first pill, my face was on fire as were my arms. I had blurred vision and my heart was racing. I should have gone online and read the side effects before ordering or paid more attention to the warning on the bottle. My fault, but my dermatologist should have advised me of the side effects when she recommended this vitamin. Thank goodness that I had eaten before I took the pill or I could have had more problems.

    Verified purchase: YesCondition: NewSold by: esupplementsllc

  • Pay more for the flush free Niacin!

    I would strongly urge everyone to get the flush free kind of Niacin. This brand makes me feel a heat flash for at least an hour along with itching and a prickly feeling! Not very pleasant at all!

    Verified purchase: YesCondition: NewSold by: numad.store

  • Not a fan

    Taking this product is like having a really bad sunburn all over your body. I am assuming that was the flush feeling this product is known for, not a fan. I took 1000mg when I received it, got completely red from head to toe and was tingling all over. This lasted for about an hour before symptoms went away. Threw remaining product in the garbage. You can make your own decisions about this product but I have already made mine.

    Verified purchase: YesCondition: NewSold by: esupplementsllc

  • I have taken extended release Niacin in the past.

    I have taken niacin in the past for cholesterol with no issue. The niacin I took has extended release nicotinic acid. This product also has nicotinic acid. I got a horrible niacin flush from this product. I threw the bottle out after trying for 3 days.

    Verified purchase: YesCondition: NewSold by: esupplementsllc