2个月宝宝应该主要的（2 months, baby should be the main）.doc

2个月宝宝应该主要的（2 months, baby should be the main） Baby do you need regular vitamin supplements Vitamins are essential nutrients the human body, participates in the body metabolism, involved in cofactor required metabolism. Vitamins are divided into fat soluble vitamins (including vitamin A, D, E, K) and water soluble vitamins (including vitamin B, C) two. The baby is in rapid growth period, prone to vitamin deficiency, lack of vitamin A and D is one of the most common. Vitamin A has to maintain visual function, maintain the integrity of epithelial cells and enhance immune function. Lack of vitamin A will cause dry eye, night blindness, dry skin, hair dry and recurrent respiratory tract infection. Vitamin D can help maintain the blood calcium level, promote the absorption of calcium and phosphorus. Vitamin D deficiency is a major cause of rickets. Because of human milk and the milk in vitamin A and low D content, non formula fed infants and breast fed infants born in winter from fifteenth days after birth to prevent dose supplement. Formula fed infants should be based on the time when the baby milk intake, daily intake of vitamin D reached 400 international units, no need to add. Children of different age add vitamin A, the dose of D table. Table 9 children of different age add vitamin A (IU/d) Age * dietary recommended intake diet dosage tolerable upper intake At the age of 1333 0-1 (400 RE) doctor individual guidance 6666 At the age of 1666 1-3 (500 RE) doctor individual guidance 6666 Note: due to different packaging specifications of vitamin A in different units, the conversion formula are listed for reference. 1 g (RG) =3.331 retinol equivalent international units of vitamin A (IU). * quote China DRIs, 2000. Table 10 children of different age add vitamin D (IU/d) Age * dietary recommended intake diet dosage tolerable upper intake 0-1 400 year old doctor individual guidance 1000 1-3 400 year old doctor individual guidance 2000 * quote China DRIs, 2000. Vitamins are be