Increase Calcium intake and absorption. Ostelin Calcium & Vitamin D3 contains calcium and Vitamin D3, the form found naturally in the body. Calcium is an important nutrient to support bone strength and bone density. Calcium assists healthy bone development in teenagers. A diet deficient in calcium can lead to brittle bones in later life. Vitamin D is an important nutrient as it;Helps boost Calcium absorption,Maintains bone and muscle strength, andSupports a healthy immune system functionProduct Claims: Calcium is an important nutrient to support bone strength and bone density. Calcium assists healthy bone development in teenagers. Size: 300 Pack • Convenience 2-a-day formula Contains calcium and Vitamin D3, the form found naturally in the body• Ostelin Calcium & Vitamin D3 contains calcium and Vitamin D3, the form found naturally in the body.• Calcium is an important nutrient to support bone strength and bone density.• Calcium assists healthy bone development in teenagers.• A diet deficient in calcium can lead to osteoporosis in later life. Calcium may help prevent osteoporosis when dietary intake is inadequate.• Calcium is an important nutrient to support bone strength and bone density. Warnings:No added Gluten, lactose, artificial colors, artificial flavors, artificial sweeteners, artificial preservatives, dairy products.Halal accredited Ingredients:Vitamin D3 500IU (cholecalciferol 12.5mcg)Calcium (as carbonate) 600mgContains: Contains soya/soya bean products. Directions:Teenagers 13 to 18 years: Take 2 tablets daily.Adults: Take 2 tablets daily or as directed by your healthcare professionals