Dietary calcium is absorbed in the duodenum and upper jejunum. The main stimulus is active vitamin D as 1,25-dihydrocholecalciferol. This promotes the synthesis of three key products within the mucosal cells which in turn causes absorption:
Growth hormone increases absorption with less potency than vitamin D. Glucocorticoids have an antagonistic effect.
Calcium must be in an ionized form for absorption and as such, absorption is retarded in the presence of:
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page