Bio Island Milk Calcium is suitable for use by young infants from the age of 4 weeks, the dosages are based on the Recommended Daily Intakes Using easy to obtain calcium and vitamin D to build strong bones and teeth. With calcium formulated from cow's milk. *For children under 4 years, twist or cut the capsule tail and squeeze the contents onto a spoon. The contents can then be administered into the mouth, using the spoon. Alternatively, the dosage can be squeezed onto food.