Breast milk composition: What’s in your breast milk? | Medela (2024)

1 Ballard O, Morrow AL. Human milk composition: nutrients and bioactive factors. Pediatr Clin North Am. 2013;60(1):49-74.

2 Hassiotou F et al. Cells in human milk: state of the science. J Human Lact. 2013;29(2):171-182.

3 Beck KL, et al. Comparative proteomics of human and macaque milk reveals species-specific nutrition during postnatal development. J Proteome Res. 2015;14(5):2143-2157.

4 Zhang Z et al. Amino acid profiles in term and preterm human milk through lactation: a systematic review. Nutrients. 2013;5(12):4800-4821.

5 Sánchez CL et al. The possible role of human milk nucleotides as sleep inducers.Nutr Neurosci. 2009;12(1):2-8.

6 Moukarzel S, Bode L. Human milk oligosaccharides and the preterm infant: a journey in sickness and in health. Clin perinatol. 2017;44(1):193-207.

7 Hamosh M. Bioactive factors in human milk. Pediatric Clinics. 2001;48(1):69-86.

8 Brandtzaeg P. The mucosal immune system and its integration with the mammary glands. The J Pediatr. 2010;156(2):S8-15.

9 Uauy R et al. Essential fatty acids in early life: structural and functional role. Proc Nutr Soc. 2000;59(1):3-15.

10 Alsaweed M et al. Human milk cells and lipids conserve numerous known and novel miRNAs, some of which are differentially expressed during lactation. PLoS One. 2016;11(4):e0152610.

11 Neville MC et al. Studies in human lactation: milk volumes in lactating women during the onset of lactation and full lactation. Am J Clin Nutr. 1988;48(6):1375-1386.

12 Marchbank T et al. Pancreatic secretory trypsin inhibitor is a major motogenic and protective factor in human breast milk. Am J Physiol Gastrointest Liver Physiol. 2009;296(4):G697-703.

13 Herrmann K, Carroll K. An exclusively human milk diet reduces necrotizing enterocolitis. Breast Med. 2014;9(4):184-190.

14 Lawrence RA, Lawrence RM. Breastfeeding: A guide for the medical profession; 2011. 1114 p.

15 Martin CR et al. Review of infant feeding: key features of breast milk and infant formula. Nutrients. 2016;8(5):279.

16 Montagne P et al. Changes in lactoferrin and lysozyme levels in human milk during the first twelve weeks of lactation. InBioactive components of human milk 2001 (pp. 241-247). Springer, Boston, MA.

17 Kent JC, et al. Volume and frequency of breastfeedings and fat content of breast milk throughout the day. Pediatrics. 2006;117(3):e387-395.

18 Kuo AA et al. Introduction of solid food to young infants. Matern child health J. 2011;15(8):1185-1194.

19 Dewey KG et al. Breast milk volume and composition during late lactation (7-20 months). J Pediatr Gastroenterol Nutr. 1984;3(5):713-720.

Breast milk composition: What’s in your breast milk? | Medela (2024)

FAQs

Breast milk composition: What’s in your breast milk? | Medela? ›

It's rich in protein, sugar, vitamins and minerals, plus numerous bioactive components – such as hormones, growth factors, enzymes and live cells – to support your baby's healthy growth and development. From four weeks, the nutritional content and levels of ingredients in mature milk generally remain fairly consistent.

What does human breast milk contain? ›

As is already well known, HBM contains about 87%–88% water, and 124- g/L solid components as macronutrients, including about 7% (60–70 g/L) carbohydrates, 1% (8–10 g/L) protein, and 3.8% (35–40 g/L) fat. The composition may vary depending on the environmental factors, including maternal diet.

What chemicals are in breast milk? ›

Breastfeeding may also indirectly affect the metabolism of mercury in exposed infants by increasing elimination of the toxic metal.” Human milk contains many brain-protective substances, including selenium, glutathione, vitamin E, cysteine, tryptophan, choline, taurine, S100B protein, sialic acid, and polyunsaturated ...

Can I drink my own breast milk? ›

“While human breast milk is nutritious and beneficial for infants, consuming it as an adult may not provide the same nutritional benefits and could potentially expose the consumer to health risks.”

What does one drop of breast milk contain? ›

One drop of breastmilk contains about one million white blood cells protecting baby from infections. There has never been documentation of an infant having an allergic reaction to its mother's breastmilk.

Does breast milk contain your DNA? ›

Epithelial cells, which contain both RNA and DNA, make up 50–90% of cell types found in human breastmilk. Analyses of RNA and DNA from human milk provide a platform to better understand the mechanism for compositional variability and neonatal outcomes.

What is in breastmilk that is not in formula? ›

Breastmilk contains living cells, stem cells, white cells, immune factors and antibodies which cannot be added to formula. And that's just the beginning. As well, not on the list of ingredients on the formula can are undesirable ingredients such as unacceptable high levels of aluminum, arsenic and cadmium (see below).

Is breast milk healthy for my husband? ›

However, drinking breast milk is safe only if it is from your partner whom you know well. This is because breast milk is a bodily fluid, and you do not want yourself to be at risk of infectious diseases such as cytomegalovirus, hepatitis B and C, human immunodeficiency virus, or syphilis.

Why do bodybuilders want breast milk? ›

Some bodybuilders, for example, currently buy human breast milk on the black market, erroneously believing it will help them build muscle—even though human breast milk has far less protein than cow's milk and protein is what muscle tissue is primarily made of.

What disease can be passed through breast milk? ›

Serious Illnesses and Breastfeeding
  • COVID-19. A parent who tests positive for COVID-19 can breastfeed their infant. ...
  • HIV. ...
  • Hepatitis B. ...
  • Hepatitis C. ...
  • Tuberculosis. ...
  • Other infections. ...
  • Cancer. ...
  • More information.
May 20, 2024

Can breast milk benefit adults? ›

Even though there is no established benefit of consuming human milk for adults, there is plenty of evidence of its benefit for newborns. For those who are unable to receive their mother's own milk, WHO recommends the provision of donor human milk processed by regulated milk banks to ensure its safety.

Do breastfed babies have better immune systems as adults? ›

As you continue to nurse, your baby will take in more antibodies, which helps them resist illness and infection now and in the future.

Can your baby drink someone else's breast milk? ›

Dr. Keim noted that women can transmit diseases via donated milk, even if they don't feel sick. These can include HIV and cytomegalovirus, and others. If an infant receives that milk, their life could be at risk.

What nutrient is breast milk missing? ›

While breast milk is highly nutritive, containing important immunological and growth factors, scientific investigation reveals a few short-falls. Overall, human breast milk has been found to be low in certain nutrients in developed countries: vitamin D, iodine, iron, and vitamin K.

Why is breast milk sticky? ›

Breast milk changes as your baby grows so he gets exactly what he needs at the right time. For example, for the first few days after giving birth, your breasts make a thick, sticky, early form of breast milk called colostrum. Colostrum has nutrients and antibodies that your baby needs in the first few days of life.

Does breastmilk have live cells? ›

Here are some of the other constituents of human milk present at every feed, many of which can't be replicated: Millions of live cells. These include immune-boosting white blood cells, as well as stem cells, which may help organs develop and heal.

Is it healthy to drink human breast milk? ›

However, drinking breast milk is safe only if it is from your partner whom you know well. This is because breast milk is a bodily fluid, and you do not want yourself to be at risk of infectious diseases such as cytomegalovirus, hepatitis B and C, human immunodeficiency virus, or syphilis.

Is human breast milk healthier than cow milk? ›

Compared to human milk, cow milk has higher levels of sodium, potassium, calcium, magnesium, phosphorus, chloride, and zinc, making it a better source of vitamins and minerals. This is just one of the reasons why the USDA still recommends that adults consume roughly 3 cups of dairy each day.

What is human breast milk a rich source of? ›

Hum Cell.

Is human breast milk good for animals? ›

While an occasional nibble of some dairy products such as cheese might not hurt them, human milk and cow's milk contains a significant amount of lactose that can make their tummies throw tantrums. Even though puppies may not be lactose intolerant, they shouldn't rely on human breast milk for growth and development.

Top Articles
Latest Posts
Article information

Author: Clemencia Bogisich Ret

Last Updated:

Views: 5790

Rating: 5 / 5 (80 voted)

Reviews: 95% of readers found this page helpful

Author information

Name: Clemencia Bogisich Ret

Birthday: 2001-07-17

Address: Suite 794 53887 Geri Spring, West Cristentown, KY 54855

Phone: +5934435460663

Job: Central Hospitality Director

Hobby: Yoga, Electronics, Rafting, Lockpicking, Inline skating, Puzzles, scrapbook

Introduction: My name is Clemencia Bogisich Ret, I am a super, outstanding, graceful, friendly, vast, comfortable, agreeable person who loves writing and wants to share my knowledge and understanding with you.