Can I use a salt substitute while taking potassium?

Dr. Michael Roizen, MD
Internal Medicine

It depends. Many salt substitutes contain potassium, so make sure your doctor knows before he gives you the official verdict regarding how much you should be taking a day and whether you get the A-okay to keep using the salt substitute. Since salt substitutes can contain potassium, it can affect how much your doctor prescribes for you. You want to make sure you get the perfect amount, just like Goldilocks, not too little and not too much.

If you take a potassium supplement, be sure to talk to the doctor who prescribed it for you about using a salt substitute. Many salt substitutes contain potassium, so your doctor can use that information to help determine the potassium dose you need.

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