SHORTHAIR said:ANYONE TRY BIOTIN IM TAKING 3000 MCG 3 TIMES A DAY HAIR SKIN AND NAILS SEEMS TO BE WORKING WELL
hair today gone tomorrow said:wtf...take a deep breath and step away from the keyboard.
collegechemistrystudent said:the study showed 2.5mg per day helping. I don't know if the control group was biotin deficient, though. Also, other doses were not studied, so you might not need that much biotin. I take about 1mg, twice a day.