subcutaneous injections three times a week of doses theoretically corresponding to about 10 times the average physiological serum levels of either 25 hydroxyvitamin d3 ( 25ohd3 ) , 1,25 dihydroxyvitamin d3 ( 1,25 ( oh ) 2d3 ) , or 24,25 dihydroxyvitamin d3 ( 24,25 ( oh ) 2d3 ) for 12 weeks gave the following results : at 12 weeks of treatment , 24,25 ( oh ) 2d3 levels in the groups receiving 25ohd3 or 24,25 ( oh ) 2d3 increased significantly , whereas 1,25 ( oh ) 2d3 levels remained unaffected .
C0006657
25 hydroxyvitamin d3
C2713074
25ohd3