Pregnancy and breast-feeding: Niacinamide is likely safe when taken in recommended amounts. The maximum recommended amount while pregnant or breast-feeding is 30 mg daily for those under 18 years ...
To avoid unwanted effects, do a patch test before introducing a new niacinamide product to your skin care routine: 1. Put a ...
Show More When taken by mouth: Niacin is likely safe for most people when used ... interacts with NIACIN AND NIACINAMIDE (VITAMIN B3) Some medications called bile acid sequestrants can decrease ...