Safe but...: Biotin is safe but is not likely to do much to help your hair grow unless you are deficient in biotin, which is uncommon. A reasonable dose is 5 mg. However, you may get better results by taking a quality multivitamin, eating a healthy diet rich in organic fruits and vegetables, avoid junk food and getting adequate sleep. Herbs may help too- see http://www.herbs-info.com/herbs-for-hair-growth.html
Answered 9/23/2016
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