Review
Copyright ©The Author(s) 2021.
World J Diabetes. Sep 15, 2021; 12(9): 1363-1385
Published online Sep 15, 2021. doi: 10.4239/wjd.v12.i9.1363
Table 5 Diminished response of intestinal calcium absorption in response to increasing vitamin D supplementation
Daily vitamin D supplementation
Observed increase in calcium absorption
Estimated increase in calcium absorption per 1000 IU (25 μg)
IUμg
800203.90%4.88%
2000505.00%2.50%
40001006.70%1.68%