New Era Mineral Cell Salt Combination J contains Iron Phosphate, Potassium Chloride, Sodium Chloride. Ferr. Phos., Kali Mur., Nat. Mur. New Era's many years of experience, other studies and observed results, some dating back to the time of Dr. Schuessler, upon who's theory the Salts are based, have led to the introduction of skillfully formulated combination tissues salts. These have been created especially for users looking for tried and tested products, that meet their healthcare needs and that have stood the test of time. The convenience of the combined form is self-evident for people who wish to carry their special formula with them and when more than one of the tissue salts are need4.