MD Micheline D. Reviewed by Micheline D., from Canada Verified Buyer I don't recommend this product Gender Female Age Range 65+ Wellness Concerns Sleep Energy Rated 2 out of 5 Review posted No change I have been taking Niacin No-Flush for three weeks and I don't see any difference in my energy level. Loading... Read more Overall Quality Rated 3 out of 5 Poor Excellent Was this helpful? 0 people voted yes 0 people voted no