Composition comprises potassium, calcium and magnesium citrates, and vitamin D, where the ratio between the calcium and magnesium is less than 2, preferably less than 1.8, and the composition optionally further comprises silicon and zinc. ACTIVITY : Anabolic; Tranquilizer; Hypotensive; Litholytic; Nephrotrophic; Osteopathic. MECHANISM OF ACTION : None given.