<<Disclaimer: Verify this information before applying it to your situation.>> Fosamax, Alendronate, is a newly available drug used to treat postmenopausal women with osteoporosis. It does so by blocking resorption of bone. It may be important to make sure that a celiac individual does not have osteomalacia, or hyperparathyroidism before starting someone on the drug, as it might make it worse. the issue of whether the drug is gluten free also needs to be established. This only one issue to be considered The potential interaction with hormone replacement needs to be addressed also. Not Medical advice Joe Murray