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Continue shoppingMajor Niacin contributes to the health of the nervous system; it is essential in energy production at a cellular level; and it helps maintain proper metabolic function. This supplement contains 500 milligrams of niacin (also known as Vitamin B3) per tablet and does not cause flushing like some other niacin products do.
Active Ingredient: Vitamin B3
500 milligram Strength
100 Tablets per Bottle
Packaged: One Bottle
Last updated December 17, 2025
This Shipping & Delivery Policy is part of our Terms of Use ("Terms") and should be therefore read alongside our main Terms: https://honestmed.com/terms-of-use.
Please carefully review our Shipping & Delivery Policy when purchasing our products. This policy will apply to any order you place with us.
We offer various shipping options. In some cases a third-party supplier may be managing our inventory and will be responsible for shipping your products.
Shipping Fees
We offer shipping at the following rates:
Shipping Method: Flat Rate
Shipping Fee: 7.99
All times and dates given for delivery of the products are given in good faith but are estimates only.
We do not offer international shipping.
If you have questions about returns, please review our Return Policy: https://honestmed.com/pages/return-policy.
If you have any further questions or comments, you may contact us by:
Phone: (833) 933-2323
Email: cs@honestmed.com
Online contact form: http://www.honestmed.com
Major Niacin contributes to the health of the nervous system; it is essential in energy production at a cellular level; and it helps maintain proper metabolic function. This supplement contains 500 milligrams of niacin (also known as Vitamin B3) per tablet and does not cause flushing like some other niacin products do.
Active Ingredient: Vitamin B3
500 milligram Strength
100 Tablets per Bottle
Packaged: One Bottle
Last updated December 17, 2025
This Shipping & Delivery Policy is part of our Terms of Use ("Terms") and should be therefore read alongside our main Terms: https://honestmed.com/terms-of-use.
Please carefully review our Shipping & Delivery Policy when purchasing our products. This policy will apply to any order you place with us.
We offer various shipping options. In some cases a third-party supplier may be managing our inventory and will be responsible for shipping your products.
Shipping Fees
We offer shipping at the following rates:
Shipping Method: Flat Rate
Shipping Fee: 7.99
All times and dates given for delivery of the products are given in good faith but are estimates only.
We do not offer international shipping.
If you have questions about returns, please review our Return Policy: https://honestmed.com/pages/return-policy.
If you have any further questions or comments, you may contact us by:
Phone: (833) 933-2323
Email: cs@honestmed.com
Online contact form: http://www.honestmed.com
| Specifications | |
|---|---|
| Application | Dietary Supplement |
| Active Ingredients | Vitamin B3 |
| Dosage Form | Tablet |
| Strength | 500 mg Strength |
| Volume | 100 per Bottle |
| Generic Drug Code | 94881 |
| NDC Number | 00904227260 |
| UNSPSC Code | 50501504 |
| UOM Quantity: | 1 |
| MPN: | 904227260 |
| GTIN: | |
| UPC: | 309042272605 |
| Width: | 2 in. |
| Height: | 4.25 in. |
| Depth: | 2 in. |
| Weight: | 0.25 lbs |
| Manufacturer: | Harvard Drug Group |
