AntimicrobialModerate Evidence

Lactoferrin

Also known as: Lactotransferrin, LF

Multifunctional iron-binding glycoprotein with antimicrobial, immunomodulatory, and anti-inflammatory properties.

Benefits

7

Conditions

6

Evidence

Clinical trials for various indications, extensive preclinical research+ studies

Source

Found in milk and mucosal secretions, typically derived from bovine milk

Overview

Multifunctional iron-binding glycoprotein with antimicrobial, immunomodulatory, and anti-inflammatory properties.

Mechanism of Action

Sequesters iron to inhibit bacterial growth (bacteriostatic), binds LPS to neutralize endotoxins, disrupts bacterial membranes via direct interaction, modulates immune cell function, antiviral activity via blocking viral attachment, promotes beneficial gut microbiota.

Key Benefits

  • Antimicrobial via iron sequestration
  • Antiviral effects
  • Immune system modulation
  • Gut health support
  • Anti-inflammatory effects
  • Promotes beneficial bacteria
  • Antioxidant properties

Clinical Applications

Infections (bacterial, viral, fungal)Iron deficiency anemiaGut dysbiosisInflammatory conditionsImmune supportSepsis (adjunct)

Dosing Guidelines

Oral

Typical Dose100-600 mg
Frequency1-3 times daily
DurationOngoing or as needed

Topical

Typical DoseVariable formulations
FrequencyAs directed
DurationAs needed

* Dosing should be individualized. Always consult with a qualified healthcare practitioner.

Research & Evidence

Evidence Level
Moderate
Studies

Clinical trials for various indications, extensive preclinical research

Summary

Clinical evidence for immune support and gut health. Studies show benefits for infections, anemia, and inflammatory conditions. Generally recognized as safe. Widely used in infant formula and supplements.

Safety Information

Potential Side Effects

  • Minimal
  • Mild GI upset
  • Skin rash (rare)

Contraindications

  • None well-established

Interactions

  • May affect iron absorption

Quick Facts

CategoryAntimicrobial
SourceFound in milk and mucosal secretions, typically derived from bovine milk
Legal StatusDietary supplement, GRAS status
Gabriel Brain Score
81/ 100

Source Your Protocol

Our preferred peptide partner offers lab-tested, COA-verified peptides with optional physician oversight. Sourced from US-regulated facilities.