Supplements Guide: Side Effects & Best Multivitamins

Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.

Symptoms of Niacinamide Overdose

Published Jul,08 2011 | By Adaeze Ezebuiro

Niacinamide is a medication used for the treatment of pellagra, a disease that occurs due to a lack of vitamin B3 in the body. Vitamin B3 is essential for normal functioning of the cells in the body. Niacin is a vitamin B3 supplement. Pellagra causes stomach and skin problems as well as dementia and death.