Lactoferrin
June 17, 2026
Last updated: June 20, 2026
1. Gut Anti-inflammatory Properties:
Lactoferrin shows potent anti-inflammatory effects in the gut.
Studies have linked it to slower colon tumor growth and improvements in Crohn’s disease symptoms, including reduced inflammatory markers like IL-6 and hepcidin.
Doses from 100 mg to 3 grams per day have reduced diarrhea, nausea, and abdominal pain.
2. Digestive Symptom Relief:
Lactoferrin alleviates nausea, diarrhea, and vomiting, even at lower doses.
It supports gut health in children and adults by reducing gut inflammation.
3. Antibacterial, Antifungal, and Iron Regulation:
It regulates iron by chelating unabsorbed iron, reducing gut inflammation, and enhancing absorption. Unabsorbed free iron directly causes inflammation and bacterial overgrowth in the gut. Lactoferrin is critical for chelating and ENHANCING intestinal absorption of iron.
Lactoferrin has antibacterial and antifungal properties, depriving harmful microbes of iron while supporting beneficial gut bacteria.
It promotes gut nerve regeneration by boosting BDNF expression.
4. Gut Structure Repair:
Lactoferrin supports the intestinal epithelial barrier by promoting the formation and differentiation of gut cells.
It strengthens tight junction proteins, reducing intestinal permeability and protecting against bacterial infections.
5. Immune System Modulation:
Lactoferrin calms the immune system by promoting tolerance and reducing inflammatory responses.
It increases secretory IgA (sIgA), enhancing immune protection against pathogens.
It also downregulates toll-like receptors (TLRs), reducing gut inflammation linked to conditions like IBS.
6. What Is Lactoferrin?
Lactoferrin is a milk protein, abundant in colostrum, the first milk produced after childbirth.
Historically, bovine colostrum has been consumed for its regenerative properties.
7. How to Use It:
Therapeutic doses range from 100 mg to 3 grams daily.
It can be sourced from bovine milk (20-200 mg/L) or colostrum (2g/L), though supplements may be more practical for consistent dosing.