In just the first few feeds after birth, nature packs everything a newborn needs to survive and thrive. It does more than any feed that follows.
Colostrum is called “natural superfood” for all the goodness it holds for your newborn. It is the first milk produced by mothers during and after pregnancy. The colostrum benefits for baby begin the moment your newborn takes their first feed. Your baby’s first meal isn’t just simple breast milk. It’s colostrum, a concentrated, nutrient-dense liquid that lays the foundation for a strong immune system and healthy growth.
It’s packed with nutrients, antibodies, and growth factors that protect your newborn against infections and support healthy development.
In this guide, we’ll explore how colostrum supports your child’s immune system, gut health, and early development, and how to choose the right colostrum for your little one.
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Why Is Colostrum Called Liquid Gold? Studies show that human colostrum has up to 2-3 times more protein than regular breast milk and is loaded with protective compounds that modern science is still fully uncovering. Colostrum's value has been recognized across cultures for centuries, long before modern science could explain why. 1 |
What is Colostrum?
Colostrum is the first breast milk produced in the first few days after birth. Unlike regular breast milk, it’s thicker, richer, and packed with nutrients and bioactive compounds that give your baby a strong start.
It contains antibodies like IgA, IgG, and IgM, which protect your newborn from infections, and growth factors that support the development of organs, especially the digestive system. These compounds form your baby’s first line of defense and help establish a healthy gut microbiome.
The yellowish color comes from carotenoids, the same compounds the body converts into Vitamin A. These play a key role in your baby’s vision, skin, and immune function.
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How Much Colostrum Does a Newborn Actually Need? A newborn's stomach on day one is roughly the size of a marble. It holds only about 5-7 ml at a time. By day two or three, it grows to about the size of a cherry. Just 1-2 teaspoons per feed in the first 24 hours is completely normal and enough. By day three, this increases to around 1-2 tablespoons per feed. Those few teaspoons are so packed with nutrients, antibodies, and growth factors that your baby gets everything they need in every single feed.2 |
Colostrum and Breast Milk: What’s the Difference?
Many new parents wonder: is colostrum the same as breast milk? No, it isn’t, and the differences matter a lot in those early days.
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Colostrum is produced for the first 2-5 days after birth.
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It then transitions into transitional milk.
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Finally, it turns into mature breast milk at around two weeks postpartum.
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Even after this shift, small traces of colostrum remain in breast milk for over a month.
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Up to 3x more protein than regular breast milk.
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Significant high zinc levels: critical for immunity and cell development.4
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Much lower in fat and lactose: easier for a newborn’s sensitive gut to digest.
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Higher concentration of antibodies: IgA, IgG, and IgM
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Contains lactoferrin and Epidermal Growth Factor (EGF): not present in the same concentration in mature milk.
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Colostrum also acts as a gentle natural laxative, helping your baby clear meconium (dark, tarry first stool) fast. This in turn keeps jaundice risk low. 5
Now that you know what makes colostrum different, here's a closer look at what it's actually doing for your baby in those first days.
Key Colostrum Benefits for Baby
Colostrum is your baby’s first superfood. It’s packed with nutrients and bioactive compounds that help with immunity, support digestion, and promote healthy growth. Here are the key benefits of colostrum for babies:
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Supports Baby’s Immune System
From the moment your baby is born, the colostrum begins to work. It is loaded with immunoglobulins (IgA, IgG, and IgM) that coat the gut lining and block harmful germs from entering the bloodstream. 3 6 On top of that, it delivers:
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Lactoferrin: fights infection by binding to the iron that harmful bacteria need to survive.
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Leukocytes (white blood cells): your baby's natural defense against pathogens.
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Zinc and copper: key minerals that keep the immune system firing
Together, these give your newborn a ready-made immune shield while their own system is still developing.
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Promotes Gut Health and Aids Healthy Digestion
A newborn's gut is sensitive, permeable, and still very much a work in progress. Colostrum coats and protects the gut lining from day one. But it doesn't stop there. Growth factors like Epidermal Growth Factor (EGF) actively stimulate the development of the intestinal lining itself. 7
Colostrum doesn't just protect the gut; it helps build it. This early foundation is what sets the stage for a healthy microbiome and a lower risk of allergies and digestive issues down the line.8
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Helps Clear First Poop and Reduces Jaundice Risk
Colostrum has a natural laxative effect. Whatever the baby ingests in the womb is cleared out in the form of meconium, the dark, sticky first poop. Colostrum also helps your baby poop frequently, which reduces the risk of jaundice.5
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Did You Know? Newborns have more red blood cells than adults. As these cells break down after birth, they release bilirubin. Since a newborn’s liver is still developing, bilirubin can build up and cause jaundice. Colostrum’s natural laxative effect helps clear it out through frequent stools and supports healthy liver function in those critical early days. |
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Provides Essential Nutrients That Help Your Baby Grow
Colostrum supports the early development of your baby’s brain, eyes, heart, and other vital organs, providing a strong foundation for both cognitive and physical growth. Its rich nutrient profile includes 1:
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Vitamin A: Supports vision, skin health, and immunity (the golden color of colostrum comes from carotenoids that the body converts to Vitamin A).
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Zinc: Significantly higher in amount; supports immunity, metabolism, and cell growth.
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Magnesium: Promotes healthy heart function and strong bone development.
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Copper: Works alongside zinc to support immune health.
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Iron: Supports energy and healthy red blood cell production.
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Epidermal Growth Factor (EGF): Promotes healthy cell growth and organ development.
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Helps Regulate Blood Sugar Levels
Early and frequent colostrum feeds help stabilize blood glucose levels in newborns. It is especially important for babies born to mothers with gestational diabetes or a family history of blood sugar issues. This is one reason why feeding on demand in the first hours after birth is so strongly encouraged.
Is Colostrum Enough for a Newborn?
This is one of the most common worries new mothers have. The volume looks so small, just a teaspoon or two per feed. It’s easy to feel like your baby isn’t getting enough.
But colostrum is dense by design. On day one, a newborn's stomach is roughly the size of a marble, growing to about the size of a cherry by day two or three. It holds only a few milliliters at a time. Colostrum is perfectly calibrated for this. Its high concentration of nutrients means small volumes go a very long way.9 10
Your baby is likely getting enough colostrum if:
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They seem content and settled after most feeds.
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They have 1-2 wet nappies in the first 24 hours, increasing as your milk comes in.
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Their stool changes from dark meconium to a lighter yellow-green within 4-5 days.
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Weight loss stays within 7% of birth weight in the first week. This is normal and expected.
NOTE: If you are unsure or worried, speak to your midwife or lactation consultant early. Support in those first few days makes a real difference.
Read More: How Much Colostrum a Newborn Need
Bovine Colostrum: A Powerful Alternative for Older Babies and Toddlers
While human colostrum is always the first choice for newborns, bovine (cow) colostrum can be a valuable option for older babies and toddlers. It is packed with nutrients and growth factors that support immunity, gut health, and overall development.
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Preterm births, where a mother's milk supply is not yet established.
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Health conditions affecting the mother, such as thyroid issues, hypertension, diabetes, or metabolic disorders, that can impact milk quality or supply.
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Older babies or toddlers with weak immunity, frequent illnesses, or ongoing gut health challenges.
What Makes Bovine Colostrum Nutrient-Dense?
Bovine colostrum is one of the most concentrated natural sources of immune and growth-supporting nutrients available. It is nutritionally similar to human colostrum, but even more concentrated in several key areas 13:
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Protein: Around 14.9%, far higher than human colostrum (2-3%).
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Lactose: Significantly lower (2.5% vs. 6.9-7.2%), making it gentler on sensitive tummies.
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Zinc: Significantly higher than in human colostrum, supporting immunity, metabolism, and cell growth.
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Lactoferrin and EGF: The same infection-fighting and gut-building compounds found in human colostrum
What Does the Research Say About Bovine Colostrum?
Studies are increasingly backing what many parents have observed anecdotally:
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Preterm and IUGR infants: Bovine colostrum can safely fortify human milk, supporting better growth outcomes without additional risk.14
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Immunity in young children: Six weeks of supplementation reduced the frequency and severity of upper respiratory infections in pre-school children, with protection lasting up to 20 weeks after stopping.
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Gut health: Bioactive compounds in bovine colostrum show measurable benefits in reducing gastrointestinal inflammation and supporting digestive health. 15
Research is still growing, but the direction is clear. For older children, bovine colostrum is a well-supported option worth discussing with your pediatrician.
Important Note for Parents
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Final Thoughts
Colostrum is one of those things nature simply got right. Those first few feeds after birth give your newborn a powerful immune and gut health head start. And for older babies and toddlers who need an extra boost, bovine colostrum steps in as a well-researched, nutrient-dense option.
That said, no supplement replaces mother's milk or a balanced diet. If you are considering bovine colostrum for your child, always do so under your pediatrician's guidance. At Wellness Extract, we're here to make sure you have the right information to make the best choices for your little one.
Disclaimer: These statements have not been evaluated by the FDA. The information in this article is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before making decisions about your child's nutrition or introducing any supplement.
Frequently Asked Questions
Q1: How long does colostrum last?
Colostrum is produced for the first 2-5 days after birth, then gradually transitions into mature breast milk. Even though it is short-lived, its impact on your baby’s immunity and gut health lasts much longer.
Q2: Can older babies or toddlers take colostrum supplements?
Yes. Bovine colostrum supplements can safely support older babies and toddlers, especially those with weak immunity or digestive issues. Always consult your pediatrician before starting any supplement.
Q3: Can bovine colostrum help with frequent colds and tummy troubles in toddlers?
Research says yes. A 2016 study found that bovine colostrum powder significantly reduced the frequency of upper respiratory infections and diarrhea episodes in children aged 1-6. The immune-supporting compounds, particularly immunoglobulins and lactoferrin, are believed to be behind this effect.
Q4: At what age can I start giving my baby bovine colostrum?
Bovine colostrum is clinically studied and considered safe for children from 1 year of age. Some pediatricians may recommend it earlier in specific situations, such as preterm infants or those with weak immunity. But this should always be under medical supervision. It is not recommended as a replacement for breast milk or formula in the first year.16
Q5. Is bovine colostrum safe for babies?
High-quality, certified bovine colostrum is generally considered safe for older infants and toddlers under medical supervision. Newborns should always rely on human colostrum as their primary source first.
Q6: Are there any colostrum side effects for babies?
Human colostrum has no known side effects for newborns. For bovine colostrum supplements in older babies, mild and temporary digestive changes may occasionally occur when starting out. Always start small and consult your pediatrician, especially if your child has a dairy allergy.
References:
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American Pregnancy Association. (2021, September 11). Colostrum: The superfood for your newborn. American Pregnancy Association. https://americanpregnancy.org/postpartum/colostrum-is-superfood-for-your-newborn/
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Shah, R., Sabir, S., & Alhawaj, A. F. (2022). Physiology, breast milk. In StatPearls [Internet]. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK539790/
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Bzikowska-Jura, A., Sobieraj, P., Michalska-Kacymirow, M., & Wesołowska, A. (2021). Investigation of iron and zinc concentrations in human milk in correlation to maternal factors: an observational pilot study in Poland. Nutrients, 13(2), 303. https://pmc.ncbi.nlm.nih.gov/articles/PMC7912200/
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Alemu, B. K., Wang, C. C., Poon, L. C., & Wang, Y. (2025). Maternal probiotics intake during pregnancy and exclusive colostrum breastfeeding are associated with a reduced risk of neonatal jaundice. BMC medicine. https://pmc.ncbi.nlm.nih.gov/articles/PMC12798091/
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Kim, J. W., Lee, J. S., Choi, Y. J., & Kim, C. (2025). The Multifaceted Functions of Lactoferrin in Antimicrobial Defense and Inflammation. Biomolecules, 15(8), 1174. https://www.mdpi.com/2218-273X/15/8/1174
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Tang, X., Liu, H., Yang, S., Li, Z., Zhong, J., & Fang, R. (2016). Epidermal growth factor and intestinal barrier function. Mediators of inflammation, 2016(1), 1927348. https://pmc.ncbi.nlm.nih.gov/articles/PMC4976184/
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Sangild, P. T., Vonderohe, C., Melendez Hebib, V., & Burrin, D. G. (2021). Potential benefits of bovine colostrum in pediatric nutrition and health. Nutrients, 13(8), 2551. https://pmc.ncbi.nlm.nih.gov/articles/PMC8402036/
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Kellams, A., Harrel, C., Omage, S., Gregory, C., Rosen-Carole, C., & Academy of Breastfeeding Medicine. (2017). ABM Clinical Protocol #3: Supplementary feedings in the healthy term breastfed neonate, revised 2017. Breastfeeding Medicine, 12(3). https://abm.memberclicks.net/assets/DOCUMENTS/PROTOCOLS/3-supplementation-protocol-english.pdf
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Delfino, E., Peano, L., Wetzl, R. G., Giannì, M. L., Netto, R., Consales, A., ... & Montagnani, L. (2022). Newborn Weight Loss as a Predictor of Persistence of Exclusive Breastfeeding up to 6 Months. Frontiers in Pediatrics, 10, 871595. https://pmc.ncbi.nlm.nih.gov/articles/PMC9021796/
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Yan, X., Pan, X., Ding, L., Dai, Y., Chen, J., Yang, Y., ... & Wu, B. (2023). Bovine colostrum to supplement the first feeding of very preterm infants: The PreColos randomized controlled trial. Clinical Nutrition, 42(8), 1408-1417. https://www.sciencedirect.com/science/article/pii/S0261561423002091
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Canbolat, A. A., Lombardo, M., Mondragon, A. D. C., López, J. M. M., Bechelany, M., & Karav, S. (2024). Bovine Colostrum in Pediatric Nutrition and Health. Nutrients, 16(24), 4305. https://www.mdpi.com/2072-6643/16/24/4305
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Arslan, A., Kaplan, M., Duman, H., Bayraktar, A., Ertürk, M., Henrick, B. M., ... & Karav, S. (2021). Bovine colostrum and its potential for human health and nutrition. Frontiers in Nutrition, 8, 651721. https://pmc.ncbi.nlm.nih.gov/articles/PMC8255475/
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Gavioli, E. (2021). Bovine colostrum: A source of bioactive compounds for prevention and treatment of gastrointestinal disorders. NFS Journal, 25, 1–11. https://www.academia.edu/121226019/Bovine_colostrum_A_source_of_bioactive_compounds_for_prevention_and_treatment_of_gastrointestinal_disorders
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Duan, H., Sun, Q., Chen, C., Wang, R., & Yan, W. (2024). A review: the effect of bovine colostrum on immunity in people of all ages. Nutrients, 16(13), 2007. https://pmc.ncbi.nlm.nih.gov/articles/PMC11242949/
Disclaimer: This article is for informational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider regarding any medical concerns or conditions.
