What is your approach to using calcium containing medications for patients with recurrent nephrolithiasis and hyperoxaluria?

Depending on their 24 hour urine, I suggest taking calcium with meals to bind oxalate and follow 24 hour urines.

I suggest my patient take oral calcium containing medications with meals with the idea that they will bind dietary oxalate and decrease hyperoxaluria. I monitor 24 hour urine supersaturations to be sure that I have the calcium dosage in the appropriate range. If they are taking oral calcium for oste...