Calcifediol monohydrate (E4913-GRP)

Calcifediol monohydrate(25-hydroxy Vitamin D3 monohydrate), is an effective vitamin D receptor (VDR) ligand and VD supplement. It acts as an inhibitor of vitamin D receptor (VDR) Calcifediol is a prohormone of the vitamin D endocrine system (VDES) and is hydroxylated in the liver to produce the active form, calcitriol. Calcifediol can rapidly increase serum VD levels.