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.

Boy (10-11) sleeping by laptop at table

Side Effects of Melatonin in Children

Melatonin, found both naturally in the body and in synthetic form, regulates the hormones associated with the body's natural circadian rhythm, an internal clock that controls normal sleep patterns.

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