Group of researchers and have been in the field for over 2 decades.We strive to satisfy every body world wide and make trade as easy as possible.

1.officinal, Increase calcium absorption2.Us have over 40 years experiences in drug manufacturing.3.GMP/ OU certificate.Vitamin D2 (Ergocalciferol)CAS : 50-14-6EINECS : 200-014-9Molecular formula:C28H44OMolecular weight: 396.6484Vitamin D2 (Ergocalciferol)