Which salt substitutes do you recommend for your patients with recurrent nephrolithiasis who have hypercalciuria from excess sodium chloride intake?  

As the questioner correctly implies, dietary sodium will worsen hypercalciuria. For hypercalciuric calcium stone formers, I recommend a no-sodium-added diet. Non-sodium salt substitutes are permissible. I do not have a brand preference. If the patient has renal insufficiency, potassium-containing su...

In practice, as opposed to theory, I never use salt substitutes. I want patients to reduce use of sodium chloride as a life habit and work toward that end. I have no experience with salt substitutes, therefore.