Breast milk is the best source of nutrition for newborns. It contains many nutrients and can meet the needs of infant growth and development. So, what nutrients does breast milk contain? Let’s find out together. 40-week pregnancy care guide electronic version mobi+epub+azw3+pdf 1. Protein Breast milk contains an appropriate amount of protein, which is very important for the growth and development of the baby. The proteins in breast milk are mainly divided into two types: whey protein and casein. Whey protein is easy to digest and can meet the needs of infant growth and development; casein is a high-quality protein that can provide infants with essential amino acids. 2. Fat: The fat content in breast milk is moderate and can provide the baby with sufficient energy and essential fatty acids. The fat in breast milk consists mainly of triglycerides, but also contains some phospholipids and cholesterol. These fats are important for a baby\’s brain development and nervous system development. 3. Carbohydrates The carbohydrates in breast milk are mainly lactose, which can provide enough energy for the baby. Lactose is broken down into glucose and galactose in the intestine, which provides necessary energy for the baby\’s brain development. 4. Vitamins Breast milk contains a variety of vitamins, such as vitamin A, vitamin D, vitamin E, vitamin K, etc. These vitamins are very important for the growth and development of babies. They can help babies build a healthy immune system, maintain normal vision, promote bone development, etc. 5. Minerals Breast milk contains a variety of minerals, such as calcium, phosphorus, iron, zinc, etc. These minerals are also very important for the growth and development of babies. For example, calcium and phosphorus are the main components of bones and teeth, iron is necessary for the synthesis of hemoglobin, and zinc is very important for the development of the baby\’s immune system. 6. Immune substances: Breast milk also contains a variety of immune substances, such as antibodies, white blood cells, lysozyme, etc. These immune substances can help babies resist the invasion of germs and enhance their immunity. In conclusion, breast milk is an extremely valuable source of nutrients that provides infants with a comprehensive nutritional profile. Compared with formula milk, the nutritional content of breast milk is more suitable for the baby\’s growth and development needs, and it is also easier to digest and absorb. Therefore, if possible, it is best to choose breastfeeding to ensure the health, growth and development of the baby.