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.

Grapefruit with mint

Grapefruit Seed Extract & Intestinal Parasites

Grapefruit seed extract is a popular supplement some people believe can cleanse their digestive systems. It’s taken in capsule or liquid form. Some Western travelers to developing countries swear by a few drops in their water bottles to protect against parasites. But experts are split over the supplement’s efficacy.

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