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.

Polycythemia & Elevated B12

Polycythemia vera is a disease of the bone marrow and leads to an increased number of red blood cells. Vitamin B-12, also known as cobalamin, is needed for red blood cell production. Correcting a vitamin B-12 deficiency can unmask the symptoms of polycythemia vera.

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Effect of Milk Thistle Supplements on ALT Levels

Milk thistle supplements are made from silybum marianum, a plant that has been used historically to treat liver and gall bladder disorders. It's also known as holy thistle, Marian thistle, Mary thistle, Our Lady’s thistle, St. Mary thistle, and wild artichoke.

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Vitamin C & Sodium Benzoate

Processed food manufacturers often use additives to preserve flavor and freshness in products that are meant to be stored for long periods. Ascorbic acid, or vitamin C, and sodium benzoate are both preservatives you may find together in soft drinks and canned vegetables, such as olives and capers.

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Spinach leaves

How Much Chlorophyll Should You Take?

If you've eaten a green vegetable, you've gotten some chlorophyll in your diet. Chlorophyll is the substance that makes plants green. Some people take chlorophyll supplements in the hopes of losing weight, lowering their risk or cancer or eliminating internal odors that cause bad breath or smelly gas.

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