Salt substitutes can be safely used by most people, but not those with certain medical conditions, such as kidney disease. Don't use it until you've tasted your food. .Read food labels. Look for the amount of sodium in a product. See where salt or sodium is on the ingredient list. Use spices and other seasonings.
Most people make the adjustment and enjoy it.
The herbs may be wrapped in cheesecloth or the parsley wrapped around the thyme and bay leaf. HHS Publication No.