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.

Man drinking milk and having a milk mustache, close-up

Can Too Much Vitamin D Cause a Rash?

Published Oct,11 2011 | By Vanessa Newman

Vitamin D is not actually a vitamin, but a hormone. It is created when your skin is exposed to the sun, and it maintains calcium levels and proper bone formation. MayoClinic.com states that it may help treat osteoporosis, cancer and even high blood pressure. Many people supplement with it for these reasons.

Side Effects of Vitamin B: Hives, Rash & Heat

Published Jul,08 2011 | By Vanessa Newman

There are eight specific B vitamins that the body needs for proper functioning. Too little of one and you are deficient, which can lead to unpleasant and even devastating symptoms depending upon the one you are lacking. Too much of a particular B vitamin and you may experience signs of overdose.

Based in Colorado Springs, Vanessa Newman writes for "Women's Edition" magazine and has been published in "Rocky Mountain Sports," "IDEA" magazine and "The Teaching Professor." She has been writing professionally for over 10 years and holds a master's degree in sports medicine. She has written online courses for companies such as Anheuser-Busch and Chevron, but prefers creative writing.