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.

Signs & Symptoms of Vitamin B-12 & Vitamin D Deficiencies

Published Jul,08 2011 | By Laura Candelaria

Vitamin B12 is a water-soluble vitamin that is part of the B-complex responsible for energy metabolism, red blood cell formation and neurological functioning.

Vitamin B12 Drug Side Effects

Published Jul,08 2011 | By Laura Candelaria

Vitamin B-12 is a water-soluble vitamin that must be supplied daily from either food or supplementation. When taken in excess, it is excreted in your urine.