Breast milk ingredients make it be a “living liquid”

Breast milk ingredients make it be a “living liquid”
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Breastfeeding mother, do you know? Breast milk is a “living” liquid! Because breast milk ingredients is dynamic, not static, but a “living” liquid that changes at any time.

From the first day of your baby’s birth to the last day of breastfeeding, the breast milk ingredients change at any time and are tailor-made for your baby. Even the same meal, the first to the last bite of the baby, the proportion of ingredients is not the same, the higher the proportion of fat in the back milk.

Main breast milk ingredients

Main breast milk ingredients
Main breast milk ingredients


About 88% of breast milk is water, which can fully supply the water needs of the baby before 6 months old. Therefore, pure breast milk with enough milk and sufficient urine supply does not need extra water supply.


Main content in sugar is lactose. Lactose is the source of energy and accounts for the largest proportion of the main breast milk ingredients. The sugar contained in breast milk, in addition to high lactose, still contains 10-20% of a special ingredient, oligosaccharides, which makes the gastrointestinal motility smoother and less prone to flatulence.

Therefore, in addition to the provision of calories, it can also help the growth of probiotics in the intestines and maintain the state of micro-acid in the intestines, which can help digestion and inhibit the growth of pathogens, protect the intestines, and promote the absorption of calcium and magnesium.


It is an important component of the baby’s brain development and maintenance of body structure. The brain is the organ with the highest proportion of fat in the human body. It needs more fat, and the baby’s brain development is completed before the age of two, while the fat content of breast milk is 3.7g/100ml.

Fat is the most unfixed component in milk. The concentration will change with the degree of breast swelling (1-18%, average 4%), mainly triglyceride (97~98%), and the content of fatty acids in oleicacid and palmitic acid. Most mothers’ diets do not affect the total amount of fat in the milk, but are related to the composition ratio of their fatty acids.

They contain small amounts of stable cholesterol (10-20 mg/dL), which is essential for the production of cell membrane stable structures (especially the nervous system). Fatty acid is an important nutrient for the development of infant brain.

When the ratio of linoleic acid and α-linolenic acid in breast milk is 10:1, it can be converted into AA and DHA in the body, which can promote the development of brain, vision and central nervous system. According to research, children who grow up with breast milk are smarter than those who drink baby milk because the proportion of fatty acids in infant formula has not met the ideal ratio of 10:1.



The protein content in the mother’s milk is 1.2g/100ml, and the ratio of whey protein to casein is 60:40, so the digestibility, effective utilization rate, and net protein utilization rate are good. Protein decomposes into amino acids when absorbed by your baby’s body, becoming a source of muscle

It also contains important immune proteins such as lactoferrin and secretory immunoglobulins; and provide resistance to newborn babies. The immune protein in colostrum can cover the surface of the baby’s intestines and prevent infants from suffering from food allergies. Therefore, it is most appropriate for the baby to breastfeed.


Breast milk contains moderate amounts of calcium and phosphorus, which promote the growth of the baby’s bones, but also provide enough calories and help the brain to develop. The absorption rate of iron is 4 to 5 times that of formula, so the baby who drinks breast milk is less prone to iron deficiency anemia six months ago.

The sodium in the breast milk is only one-third of the milk, so the baby’s kidneys will not cause load and discharge. Breast milk contains a ratio of calcium to phosphorus of 2:1, which is most suitable for the absorption of calcium in infants, which can help the growth of bones and teeth of infants. Although the iron content in breast milk is low, it is best absorbed.


Many studies have confirmed that human cerebral cortex and retina contain a large amount of DHA, while breast milk contains higher concentrations of DHA and ARA, which are brain cell structures, especially the main structural components of the retina, which have a development on the baby’s brain.

Recent studies have confirmed that infants who drink breast milk have an average increase in intelligence index (MDI) of more than 7 points than those who do not drink breast milk, and the visual acuity is significantly improved, which is equivalent to looking down one line in the visual acuity test. “DHA is especially important for visual development.”


Taurine is rich in breast milk. Its main function is the binding and secretion of cholic acid, which is helpful for fat absorption.


Plays an important role in cell and brain growth.
The other breast milk ingredients
The other breast milk ingredients also have the following functions:
Reduce allergies
The substances in breast milk can form a protective film on the intestinal wall and promote the development of the intestinal epidermis.Therefore, it is possible to prevent allergens from invading the body through the intestinal tract which has not been developed by the baby and has numerous openings.
Helps good digestion and absorption
Breast milk contains enzymes that help digestion, such as lipase and amylase. Therefore, newborns with weak gastrointestinal functions can also easily digest and absorb various nutrients in breast milk.

The difference between ingredients of foremilk and hindmilk

The difference between ingredients of foremilk and hindmilk
The difference between ingredients of foremilk and hindmilk


  • This is the milk each time the baby breastfeeding, the baby is the first to inhale the milk.
  • The foremilk is rich in protein, lactose and some other nutrients, and contains more water, so it feeds the mother.
  • A child with milk gets a lot of water by sucking on the milk.


  • This is the milk every time you breastfeed, after inhaling the milk.
  • There is no clear demarcation between the foremilk and the hindmilk. During the feeding process, the fat content gradually increases, so it is heat.
  • The amount is also higher than the previous milk thistle. So when breastfeeding, you must give your baby enough time to suck.
    It should not be stopped in a hurry to ensure that the baby has enough hindmilk and calories.

Changes in breast milk composition

The main ingredients of milk include protein, lactose and fat. At different times, the proportions of these ingredients were automatically adjusted to suit the needs of the baby at the time.
This makes breast milk the best food for your baby, while formula is a fixed formula that is designed to keep your baby growing up.

In conclusion, have you ever ask infant milk powder and breast milk actually provide about the same amount of calories, but why is breast milk better than baby milk powder? Nutritional breast milk ingredients are the reason. Mainly because the various nutrients in breast milk are relatively complete, the nutritional value is high and the nutrients that the mother’s milk can provide include more than formula.

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