Synergistic high strength calcium tablets with magnesium zinc vitamin d3 the uks no 1 calcium formula osteocare has been scientifically developed on the basis of the latest research to include calcium magnesium vitamin d zinc which contribute to the maintenance of normal bone healthgetting enough calcium is especially important for men and women over 50 during pregnancy and breastfeeding and during and after the menopausebalanced with essential magnesiumosteocares natural source