Dear Mr. MacDonald, I assume you are referring to "hydroxyapatite", Ca5(P04)3 0H , which is the principal bone salt providing compressional strength of vertebral bone. We used to obtain it through veterinary supply sources---for use in our experimental researches. Almost any pharmacist can obtain it. The microcrystalline suffix indicates a special processing procedure----and probably carries a sizeable "upcharge" with it. With the recent BSE (CJD variant) challenges in the UK, one might be well-served to be "SURE" the parent materials did not originate there. Sincerely, Brooks Bradley. Harold MacDonald wrote:
> Can anyone tell me where I can get MCHC[microcrystalline > hydroxiapatite concentrate]?Harold.