Osteoguard is an all in one bone health formula containing high levels of calcium and magnesium in a 21 ratio alongside boron and vitamin d whilst one tablet a day provides good support for most diets two tablets daily is particularly preferable for those with diets containing little dairy produce or those of menopausal age high potency calcium and magnesium plus boron and vitamin d to facilitate the utilisation of calcium fine grade mineral compounds to increase solubility guaranteed ta