biotin

Wagner-Jauregg, for example, found biotin is identical to

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Grapefruit Seed contains the whole spectrum of the vitamin-B group, with a particularly high content of biotin, which is responsible for the utilization of dietary body fats, facilitating the metabolism of carbohydrates, fats and proteins (and the utilization of other B-complex vitamins).

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Certain B-vitamins such as biotin are needed for maintenance of healthy skin, mucous membranes, which protect the body on the inside and nails.

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Gelatin capsules won't speed it up, Bailey says, but vitamin supplements containing biotin "may help particularly weak or fragile nails, as does a well-balanced diet."

Protecting the health of your nails for a polished look

The most important vitamins and minerals to take to keep nails and hair strong, shiny, and healthy-looking are essential fatty acids, a multiple vitamin, calcium, zinc, biotin, and vitamin B12.

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Also, don't eat egg whites raw (because it's disgusting) and it is bad for you (see biotin).

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A deficiency is extremely rare because bacteria in your intestines make all the biotin you need.

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Additional supplements that are often helpful include alpha lipoic acid, biotin, vanadium, N-acetylcysteine.

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You give them a place to live in your gut, and they reciprocate by helping you digest your food, make necessary vitamins (like vitamin K and biotin), detoxify poisons, produce energy for your intestinal cells (butyrate), regulate cholesterol metabolism, and keep normal pH balance.

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Here, some of the most important vitamins and minerals required for making energy: Vitamins B1 (thiamin), B2 (riboflavin), B3 (niacin) and B6 (pantothenic acid); biotin; iron; calcium; magnesium; vitamin C, zinc, and copper.

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