Caltrate Bone & Muscle 50+ Years is a high potency* calcium supplement with vitamin D for muscle strength plus four other minerals to help promote bone strength and flexibility Active ingredients*: - Elemental calcium (as carbonate): 1200 mg - Vitamin D3 (colecalciferol): 1000 IU (25 mcg) - Magnesium (as oxide): 100 mg - Zinc (as oxide): 15 mg - Copper (as sulfate): 1000 mcg - Manganese (as sulfate): 3.5 mg. *With two tablets daily. Dosage Instructions: Adults 50 years and over take one tablet twice daily with liquid after a meal, or as directed by your healthcare professional. It is suggested that you have each tablet at a different meal time. No added: Lactose, Gluten, Flavours