Lactoferricin vs Selank
A detailed comparison to help you understand the differences and choose the right peptide for your research goals.
Lactoferricin
Lactoferricin is an antimicrobial peptide derived from lactoferrin, a protein found in milk and other secretions. It has potent antibacterial, antiviral, and antifungal properties.
Full details →Selank
Selank is a synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. Developed in Russia for anxiety and cognitive enhancement.
Full details →Side-by-Side Comparison
| Aspect | Lactoferricin | Selank |
|---|---|---|
| Mechanism | Binds to and disrupts microbial membranes through electrostatic interactions. Also binds to lipopolysaccharide (LPS) to neutralize endotoxins and has immunomodulatory effects. | Modulates the expression of brain-derived neurotrophic factor (BDNF) and affects serotonin and norepinephrine systems. Has immunomodulatory and anxiolytic properties. |
| Typical Dosage | Research applications vary widely. Oral lactoferrin supplements (containing lactoferricin precursor) typically dosed at 100-400mg daily. | Intranasal administration: 250-500mcg 2-3 times daily. Subcutaneous: 250-500mcg daily. |
| Administration | Available through lactoferrin supplementation orally. Purified lactoferricin primarily used in research settings. | Most commonly administered intranasally for cognitive effects. Can also be injected subcutaneously. |
| Side Effects | Lactoferrin supplementation is generally well-tolerated. May cause GI upset in some individuals. Derived from milk so caution with dairy allergies. | Generally well-tolerated. Some users report mild fatigue or nasal irritation with intranasal use. |
| Best For |
Key Differences
Unique to Lactoferricin:
Unique to Selank:
Detailed Analysis
Commonalities
Lactoferricin and Selank are used for different purposes and have limited overlap in their applications.
Which Should You Choose?
Choose Lactoferricin for Immune Support, Gut Health. Choose Selank for Cognitive Performance.
Ready to Learn More?
Looking for trusted sources?