Biotin does not have any known side effects, according to WebMD. Researchers have not determined a maximum safe dose of biotin due to the lack of adverse side effects. More »

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Use of biotin in high doses has been shown to cause hives, difficulty breathing and swelling of the face, lips, tongue and throat. These effects are uncommon in normal doses, claims Drugs.com. More »

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Most people suffer no side effects when taking up to 10 mg daily of biotin, but some experience an allergic reaction, including hives or an upset stomach, according to Drugs.com. If the reaction includes swelling of the ... More »

www.reference.com Health Medications & Vitamins Side Effects

Biotin is a B vitamin that helps keep the skin, nerves, cells, digestive tract and metabolism healthy, according to WebMD. This vitamin, also sometimes referred to as vitamin H, occurs naturally in many foods, including ... More »

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Biotin is a supplement and a vitamin that is used for managing brittle nails, diabetes and other health conditions. It also helps to ensure a good health for the cells, skin, metabolism, digestive tract and the nerves i... More »

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Biotin helps hair grow faster. Hair is made from keratin, which is a type of protein. Biotin enhances keratin's structure and aids in promoting general scalp health, which is vital for hair growth. More »

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Biotin is not only safe, it is vital to overall health and in treating certain medical ailments, according to WebMD. Biotin supports a person's nerves, skin, digestive tract and cells. It also contributes to a healthy me... More »

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