For people who’ve had a stroke before, using a special salt that has less sodium and more potassium doesn’t raise their risk of having too much potassium in their blood — the numbers show it’s basically the same as regular salt.

For older adults who’ve had a stroke or high blood pressure, switching to a special salt that has less sodium and more potassium doesn’t raise the risk of dangerous potassium levels in the blood.

If you've had a stroke before, switching to a special salt that has less sodium and more potassium might help keep you from having another stroke or dying from one — and it doesn’t seem to cause dangerous potassium buildup in your blood.

If you've had a stroke before, switching from normal salt to a special salt that has less sodium and more potassium might lower your blood pressure by about 2 points — not a lot, but maybe helpful.

If you're over 60 and have had a stroke or high blood pressure, switching to a special salt that has less sodium and more potassium might help you have fewer strokes.

If you swap regular table salt for a salt substitute that has more potassium, it might lower your chance of having a stroke by about 14%.