Mineral Cell Salt Combination N contains Calcium Phosphate, Potassium Chloride, Potassium Phosphate, Magnesium Phosphate. Calc. Phos., Kali. Mur., Kali.Phos., Mag. Phos. 12 tablets provide + 14.5ug of Biotin (29% Reference Intake). Formulated in accordance with Dr. Schuesslers principles and system.