Mineral Cell Salt Combination P contains Calcium Fluoride, Calcium Phosphate, Potassium Phosphate, Magnesium Phosphate. Calc. Fluor., Calc. Phos., Kali. Phos., Mag. Phos. 12 tablets provide + 14.75ug of Biotin (29.5% Reference Intake). Formula in accordance with Dr. Schuesslers principles & system.