BIOSAL Nº 4 is a supplement containing potassium chloride, ideal for meeting the basic needs of the body in deficiency situations. This compound is known for its ability to regulate the metabolism of mucous membranes and its positive influence on the balance of bodily fluids. By eliminating excess water from the body, BIOSAL Nº 4 contributes to the proper functioning of muscles and nerves, thus promoting better overall health. Additionally, potassium chloride plays an important role in the metabolism of sugars and proteins, and in controlling stomach and intestinal activity, as well as maintaining heart rhythm. For use, it is recommended to dissolve 3 to 6 tablets in the mouth up to 6 times a day, preferably 5 minutes before meals and with at least 5 minutes between foods. Consumption of this supplement should be avoided immediately after brushing teeth. This product is presented in a practical 20-gram format, easy to dose for daily use.