How Does Biotin Help Your Hair Grow?
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Why is Biotin Necessary?
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Biotin, also known as vitamin B7 or vitamin H, is a member of the B vitamin family and is water soluble. Responsible for maintaining enzymes in the intestinal tract as well as contributing to regulating the skin and nervous system, biotin is helpful in boosting hair growth and is often taken in combination with medical treatments for hair loss. Hair loss is an indicator of a biotin deficiency. However, it is not the only cause of hair loss.
How Does Biotin Work?
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The hair is actually a fiber of proteins whose cells have shed their nucleus, meaning the cells are no longer living. This means the hair consists of protein, which biotin has a role in production. Foods that contain high amounts of protein often contain biotin as well, and once digested by the body, biotin helps the body metabolize (use) proteins for bodily functions, particularly in growing hair and nails.
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Preventing a Biotin Deficiency
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Foods that contain biotin include brewer's yeast, cauliflower, bananas, green peas, oats, soybeans, walnuts, sunflower seeds, green peas and brown rice. Biotin is offered in 10 mcg, 50 mcg and 100 mcg increments. For those wishing to encourage hair growth or prevent hair loss, taking 2,500 mcg a day is recommended and is not associated with any adverse side effects.
Signs that a biotin deficiency is present include fatigue, depression, nausea, muscle pains, hair loss and anemia. While biotin deficiencies are rare, deficiencies are often associated with conditions such as gastroesophageal reflux disease and may necessitate taking biotin supplements.
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