Biotin usually comes in mcg ..ie micrograms
Anything more than 10,000 mcg is excess, which will be voided (urinated]
If you take Multi Vits, there is some in there also.
Don't believe in the Blood Typing for hair growth.
Think about it ....... Are people in India, China, Malaysia, or the Philippines blood typed for hair growth, They just roll their hair into a bun most of the time,
Keeping your hair moisturized, protected, and low manipulated is best.
Know what you're using on your hair. You don't have to go 'out there'.
Hormones and good hair care works. If you're peri or post menopausal it's a bit more difficult.
Be patient. Anxiety creates counter productive hormones.
Edited by Benni - May 29 2014 at 10:54pm