Fermenta Biotech - Vitamin D3, Enzymes, Cholecalciferol … Vitamin D3, Penicillin G Acylase, CAL B Lipase, Premix, Feed Grade, Cholecalciferol Fermenta Biotech Limited. Established in 1951, Fermenta is one of the largest manufacturers of Vitamin D3 and a key global player. Headquartered in Thane, India, …