Features: Ostelin Calcium & Vitamin D3 is a combination supplement with naturally occurring calcium and vitamin D3 for strong bones. Each tablet contains Calcium (from Calcium Carbonate) 600mg and Vitamin D3 500IU (Colecalciferol 12.5 micrograms). Calcium is essential throughout life to build and maintain bone strength, as it increases bone mineral density, while Vitamin D is key for calcium absorption and maintaining bone and muscle strength. How to Use: Teenagers 13 - 18 years: take 2 tablets daily with a meal. Adults: take 2 tablets daily with a meal or as directed by your healthcare professional. Ingredients: Vitamin D3 500IU (cholecalciferol 12.5mcg) Calcium (as carbonate) 600mg Contains: Contains soya/soya bean products. Warning: No added Gluten, lactose, artificial colours, artificial flavours, artificial sweeteners, artificial preservatives, dairy products. Halal accredited Vitamin supplements should not replace a balanced diet. If symptoms persist consult your healthcare practitioner.