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.
The culprit behind feeling tired can be as innocent as poor sleep habits to something much more serious, such as nutritional deficiencies. When no cup of coffee will get you feeling perky, talk to your doctor about potential causes.
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Taking too much of anything -- even when it's as healthy as vitamins -- can cause problems. Although some vitamins are relatively harmless in unlimited quantities because your body excretes the excess, others can only be taken in limited amounts before you risk harming your health.
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Better known as essential fatty acids, or EFAs, Vitamin F is composed of two types of fatty acids: linoleic and alpha-linolenic. The body cannot produce EFAs by itself, so you have to get them from food sources where they are known as unsaturated fatty acids or polyunsaturated fatty acids.
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