Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...
Gestational supplementation of 1000 IU/d cholecalciferol (vitamin D3) from early pregnancy until delivery increases the bone mineral content, bone mineral density (BMD), and bone mineral apparent ...