OstroVit Niacin 250 NO-FLUSH is a high-quality preparation in the form of oral tablets, consisting of only one substance, which is Niacin - or vitamin B3. The supplement is distinguished by the maximum dose of vitamin B 3 with the minimization of composition. The product was created for all those who need to supplement niacin levels in their daily diet and appreciate supplementation in tablet form.

HAYA LABS Niacin /Time Release/ is an individual formula that contains gradually released Vitamin B3 and prevents form energy loss, accelerates metabolism, and impacts positively the whole organism.

Haya Labs Niacin Flush-Free - this supplement contains 500mg niacin per capsule and is designed without the well-known "niacin flush".