Lowering excess sodium from your diet can reduce blood pressure, which can reduce your risk of hypertension and, consequently, as the American Heart Association points out, heart disease, stroke, kidney disease, and more.
A salt substitute, also known as low-sodium salt, is a low-sodium alternative to edible salt (table salt) marketed to circumvent the risk of high blood pressure and cardiovascular disease associated with a high intake of sodium chloride while maintaining a similar taste.
I use this product which can be found in most supermarkets including Makro: