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.
Although iron supplements are not recommended for everyone, they are available over the counter and by prescription, in different forms and doses, for people who experience iron deficiency.
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High calcium levels in the blood lead to a condition known as hypercalcemia, which can have many causes, including calcium overdose.
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