Supports breeding birds and their young with essential calcium. Contains Vitamin D3 to maximize calcium absorption in the gut. Supports shell formation and the normal development of bones in young birds. Regular use in all seed eating birds will ensure adequate calcium for strong bones, muscle formation and general well being. Can also be used as an emergency oral calcium supplement for egg bound or critically deficient birds. Ingredients: Calcium, vitamin D3. Size: 3.4Fl.oz/100mL.