the data indicate that calcium supplementation of hypocalcemic d-depleted rats results in an increased transformation of d3 into 25 ( oh ) d3 while supplementation with 1,25 ( oh ) 2d3 does not affect the in vitro d3-25 hydroxylase but seems to influence the in vivo handling of the vitamin by accelerating its metabolism .
C0020598
hypocalcemic
C2713074
25 ( oh ) d3