Active constituents (in homoeopathic potencies): Equal proportions Kali Phos (Potassium Phosphate BPC 1949) 6X, Mag Phos (Magnesium Phosphate BPC 1949) 6X, Nat Mur (Sodium Chloride PH Eur) 6X, Silica (Silicon Dioxide) 6X. Contains sucrose. Adults 4 tablets. Children 2 tablets. To be dissolved on the tongue. Take three doses a day. Increase to every half hour if needed.