Actonel is a medicine composed of Risedronate Sodium as active ingredient. The component is a member of a class of drugs known as bisphosphonates. It is approved for prevention and treatment of certain types of bone loss i.e. osteoporosis in adults. The renowned pharmaceutical company, Sanofi India Ltd manufactures this medicine. The medicine is composed as conventional tablet and made available in dosage as 5mg, 35 mg and 150 mg