Immunity
Immunity Research Peptides
Immune-boosting research peptides for enhanced immune function.
About Immunity Peptides
Explore our selection of immunity research peptides from Phiogen. All products are for research use only.
Research Applications
These peptides have been studied in various research contexts related to immunity.
Immune System Overview
Targeting Both Arms of the Immune System
Innate Immunity
LL-37First line of defense — responds within minutes
LL-37 directly disrupts bacterial membrane integrity
Broad-spectrum: gram+, gram−, fungi, enveloped viruses
Neutralizes bacterial endotoxin (LPS) preventing septic shock
Disrupts antibiotic-resistant biofilms
Adaptive Immunity
Thymosin Alpha-1 + ThymulinTargeted response — requires days to weeks to mount
TA1 promotes T-cell maturation and Th1 differentiation
Upregulates MHC class I/II for enhanced antigen presentation
Stimulates interferon-α/γ and NK cell activation
Thymulin drives thymocyte development and T-cell trafficking
Mechanism Pathway
How Thymosin Alpha-1 Activates Immunity
TA1 Administered
Thymosin Alpha-1 binds Toll-like receptors on dendritic cells
Dendritic Cell Activation
Upregulates MHC class I/II + costimulatory molecules
T-Cell Priming
Naive T-cells differentiate toward Th1 effector phenotype
Interferon Induction
IFN-α and IFN-γ secretion increases viral and tumor surveillance
NK Cell Activation
Natural killer cells receive activation signal for direct cytotoxicity
Clinical Context
Thymosin Alpha-1 is approved or clinically available in 35+ countries for hepatitis B, hepatitis C, and cancer immunotherapy. It has been studied for sepsis-induced immunoparalysis, HIV, tuberculosis, and as a vaccine adjuvant to improve antibody titers in elderly subjects.
LL-37 Antimicrobial Activity
Broad-Spectrum Antimicrobial Targets
Shop Immunity Peptides
Research-grade quality — COA verified. For research use only.
Shop Research PeptidesImmunity Peptides (10)
Short peptide bioregulator targeting bronchial and lung tissue.
Human cathelicidin antimicrobial peptide with broad-spectrum bactericidal activity and wound healing properties.
Dipeptide thymic factor that stimulates T-lymphocyte production and immune maturation.
High-dose Thymosin Alpha-1 for extended immune optimization research.
28-amino acid thymic peptide that activates T-helper 1 immunity, enhances antigen presentation, stimulates interferon production, and raises NK cell activity.
Thymic nonapeptide that promotes T-cell differentiation and maturation.
Peptide Cycles
Try a Pre-Built Research Cycle
Synergistic combinations of immunity peptides.
Frequently Asked Questions
What are Immunity peptides?
Are these peptides safe?
Start Your Immunity Research
10 research peptides available — COA verified, research grade.
For research use only. Not for human consumption. Consult a physician.