Oral compositions controlled release comprising a vitamin D compound and a waxy support

A formulation of oral capsule for controlled release of a compound of 25-hydroxyvitamin D in digestive elaparato of a subject ingesting the formulation, the formulation mixture comprising comprising a waxy mixture Solidao semisolid arranged in a capsule shell, a compound 25 hydroxyvitamin D, a waxy controlled release carrier, a lipoid agent and an oily vehicle for compound 25-hydroxyvitamin D.