Posted by iHerb Customer on May 05, 2014 | Verified Purchase
I bought this to continue taking 125ug daily basis. Before this one I had Healthy Origins 125ug capsules and have blood levels about 200nmol/l which is my goal. When I was taked these ones about 1 year in a row my blood levels was dropped to 65nmol/l and I started taking these 2 capselus 2 times a week and other days 1 capsule and have new blood test on 2 months when I had 70nmol/l which was big suprise. I never ever bought these again. very poor and bad quality product.