There is no specific time of day when it is best for your baby to take vitamin D3. It is usually recommended that it is better to take it after or between meals. Vitamin D3 is a fat-soluble vitamin, vitamin D is very important for the growth and development of the baby, can promote the absorption of calcium and phosphorus, the development of the baby’s bones is very good, can effectively promote the absorption of calcium to prevent rickets. The instructions are not clearly labeled vitamin D3 specific daily when to eat the best. However, it is generally recommended to eat after milk or meal is better, because there is a certain amount of fat-soluble substances in milk or meal, which can better promote the absorption of nutrients. In addition, taking vitamin D3 on an empty stomach may cause stomach pain and vomiting and other discomforts, so try to take it after meals or between meals is better. As the body’s own 7-dehydrocholesterol in the ultraviolet radiation, can be converted into vitamin D3, it is recommended that babies eat vitamin D3 at the same time, you can also let the baby properly sunbathing, in order to meet the human body’s need for vitamin D.