I was on it for few month on 1,000 mcg/day, and then increased by another 1,000, and then 3,000, and then 5,000, and finally now I am at 10,000mcg!!! For normal benefit 1,000 mcg/day is fine, but for hair you need high amount, at leat 5,000 mcg. POM
P.S.(They come in mcg and not mg.)
P.S.(They come in mcg and not mg.)