Side-by-Side Comparison · 2026

Lactoferricin vs PGLa

Lactoferricin vs PGLa — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Lactoferricin
Antimicrobial Peptide

Lactoferricin B (LfcinB) is a 25-residue antimicrobial peptide released from the N-terminal region of bovine lactoferrin by pepsin digestion in the stomach. The core hexapeptide RRWQWR contains the minimal active unit....

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PGLa
Antimicrobial Peptide

PGLa is a 22-residue alpha-helical antimicrobial peptide co-isolated with magainin-2 from the skin of the African clawed frog Xenopus laevis. Individually, PGLa and magainin-2 show modest antimicrobial activity, but when combined at equimolar ratios, they exhibit synergistic kill...

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Key Parameters
Parameter Lactoferricin PGLa
Category Antimicrobial Peptide Antimicrobial Peptide
Research Preclinical Preclinical
Half-Life Minutes (proteolytic) Minutes (proteolytic)
Typical Dose N/A N/A
Frequency N/A N/A
Route Research only Research only
FDA Status Not approved Not approved

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Frequently Asked Questions
What is the difference between Lactoferricin and PGLa?
Lactoferricin: Lactoferricin B (LfcinB) is a 25-residue antimicrobial peptide released from the N-terminal region of bovine lactoferrin by pepsin digestion in the stomach. The core hexapeptide RRWQWR contains the mi... PGLa: PGLa is a 22-residue alpha-helical antimicrobial peptide co-isolated with magainin-2 from the skin of the African clawed frog Xenopus laevis. Individually, PGLa and magainin-2 show modest antimicrobia...
Which has a longer half-life, Lactoferricin or PGLa?
Lactoferricin half-life: Minutes (proteolytic). PGLa half-life: Minutes (proteolytic).
Can you stack Lactoferricin and PGLa?
Lactoferricin and PGLa are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.