亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Is vitamin D3 more effective than D2?
date:May 08, 2012
orthern countries are so weak during the winter months that our body makes no vitamin D at all, meaning that dietary supplements and fortified foods are seen by many as the best way to boost intakes of vitamin D.


Vitamin D deficiency in adults is reported to precipitate or exacerbate osteopenia, osteoporosis, muscle weakness, fractures, common cancers, autoimmune diseases, infectious diseases and cardiovascular diseases. There is also some evidence that the vitamin may reduce the incidence of

12/18 17:25