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.

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Side Effects of Calcium Supplements

Published Jul,08 2011 | By Leigh A. Zaykoski

Calcium is important for preventing osteoporosis and building strong teeth and bones. Calcium supplements are available for people who do not get enough calcium in their diets. While these supplements are considered safe, some side effects may occur.