Nerve & Muscle Health. Promotes Electrolyte Balance. Gluten Wheat & Dairy Free. Suitable for Vegetarians. Potassium is an essential mineral needed by the body. It is vital for muscle activity. As an important electrolyte it regulates nerve signals from the brain and spinal column to muscles and also promotes proper fluid balance in the body. Potassium also helps to attract nutrients into cells. This formulation provides potassium complexed with the amino acid glycine.