Alendronate is a bisphosphonate medication that can be used in the treatment of osteoporosis due to its anti-resorptive properties, which reduce the number of osteoblasts. Alendronate Liposomes (Anionic) is a liposome suspension in which alendronate is encapsulated in the aqueous compartments of the anionic liposomes. It is only for research purposes and for the injection to laboratory animals.