The invention relates to the finding that very favorable pharmacokinetic characters are obtained by combining two strontium salts in one pharmaceutical composition. The present invention relates in one aspect to a pharmaceutical composition comprising at least two strontium salts for use as a medicament, and in particular for the treatment and prevention of bone disorders such as osteoporosis. The composition preferably comprises strontium carbonate and strontium chlorides. Further included may be a vitamin D compound, preferably vitamin D3.
