Is there any salt that is good for the heart?

Salt is salt: salt may be deleterious if you have high blood pressure or are prone to fluid retention, otherwise salt has no particular effect on the heart. if you try really hard you can eat enough salt all at once to make yourself really sick, but usually people don't like to eat that much salt. sea salt, salt from the earth - all have these effects. there may be elements in varied salts that have other Fx