iHerb Customer Reviews
Is too good
1 person found the following review helpful
Posted by Reviewer1276389 on Nov 24, 2009
A little bit concentrated for me and my husband, both of us had hart burn from taking it. I guess when it's too good, it should be taken half doze
Thorne Research. Niacinamide
Posted by Reviewer1488008 on May 31, 2012
Very good best product and highly suitable when the need is for vitamin B3.
B3 for sleep
Posted by HealthSavvy on Sep 07, 2012
Great product - but it did not improve my sleep problems.
Posted by Reviewer3064995 on Jun 06, 2011
top practitioner quality pure supplement
Posted by Reviewer2037391 on Jun 06, 2011
Excellent quality Niacinamide. No flush.