From Manufacturer''s Label:Potassium is an essential mineral and is found in every cell of the body. It’s essential for proper nerve conduction, muscle function, fluid balance, and helps maintain healthy heart and brain function.**Ionic Potassium is a natural source of concentrated liquid potassium, from potassium chloride, in ionic form.This unique liquid mineral supplement also contains Magnesium.Non-GMO. Vegan.2 oz. liquid.Manufactured by: Trace Minerals Research