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.

Can Vitamins and Supplements Affect PSA Readings?

Published Jul,08 2011 | By Lindsay Kent

Prostate cancer is the most common cancer in men, and the risk of this disease increases with age. The MayoClinic.com website reports that by age 50, 1 in 4 men will have some precancerous cells in the prostate gland.