ARIA
Library/immune/Macrophage Stimulating Peptide-1

Macrophage Stimulating Peptide-1

Not FDA Approved✓ WADA Permitted
immuneExperimentalMacrophage activator

Synthetic peptide that activates macrophages and enhances innate immune response. Used in research for chronic infections, immune deficiency, and as an adjuvant in cancer immunotherapy. Stimulates phagocytosis and cytokine production.

Confidence
30%
Half-Life ~2 hours
Quick Reference
Routesubcutaneous
MechanismActivates macrophage surface receptors → stimulates phagocytosis, cytokine produ...
Reviewed2026-06-08

Mechanism of Action

Activates macrophage surface receptors → stimulates phagocytosis, cytokine production (TNF-α, IL-1, IL-6), and antigen presentation. Enhances innate immune surveillance and response.

Dosing Protocol

Research protocols: 50-200mcg 2-3x per week. Not established for clinical supplementation.

Adverse Effects

Injection site reactionsFlu-like symptoms (immune activation)Fever (rare)

Contraindications

  • Active autoimmune disease
  • Pregnancy
  • Immunosuppressive therapy

Storage

Research use only.