Last update
5/6/2026
Reviewed By
Reviewed By
Overview
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 3 Reviews
7.9
Supplement Facts
Serving Size: 2 Veg Capsules
Amount Per Serving
%DV
Niacin (Vitamin B-3)(from 640 mg of Inositol Hexanicotinate)
500 mg
3125%
Inositol(from 640 mg of Inositol Hexanicotinate)
135 mg
†
Most Useful Reviews
9
Effective for migraines
14 people found this helpful
I’ve taken this daily for eight years for migraine cluster headaches and to prevent them. My doctor recommended flush-free niacin. Over the years, I’ve suggested this remedy to my daughter, who has experienced the same satisfying results. I prefer NOW products for their quality and reasonable prices.
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0
Caused severe headaches
4 people found this helpful
Side effects! My cholesterol levels are off, so I purchased this product to ensure thorough testing. Unfortunately, it caused serious headaches and allergy-like symptoms. My doctor advised me to stop and suggested taking actual Niacin instead. I wouldn’t recommend this product.
Read More
6
Helps headaches
3 people found this helpful
Low Dose. Finding a low dose of Niacin at a good price is challenging. My husband swears they help with his headaches.
Read More
User Reviews
USERS' SCORE
Moderately Good
Based on 3 Reviews
7.9
- All Reviews
- Positive Reviews
- Negative Reviews
9
Effective for migraines
14 people found this helpful
I’ve taken this daily for eight years for migraine cluster headaches and to prevent them. My doctor recommended flush-free niacin. Over the years, I’ve suggested this remedy to my daughter, who has experienced the same satisfying results. I prefer NOW products for their quality and reasonable prices.
Read More
0
Caused severe headaches
4 people found this helpful
Side effects! My cholesterol levels are off, so I purchased this product to ensure thorough testing. Unfortunately, it caused serious headaches and allergy-like symptoms. My doctor advised me to stop and suggested taking actual Niacin instead. I wouldn’t recommend this product.
Read More
6
Helps headaches
3 people found this helpful
Low Dose. Finding a low dose of Niacin at a good price is challenging. My husband swears they help with his headaches.
Read More
Frequently Asked Questions
