
Cortagen 20mg
Final price and live stock are confirmed on the partner page before checkout.
Immune system bioregulator peptide for immunosenescence. Khavinson peptide for immune system rejuvenation and longevity. Pre-mixed research formulation.
Recommended alternative: Thymalin
Particle Peptides does not currently stock Cortagen. Thymalin is a thymic peptide complex used in immune-aging and thymus-restoration research — structurally and functionally adjacent to Cortagen.
Researchers also explore
- Thymosin Alpha-1 — Thymosin Alpha-1 is another well-characterised thymic peptide for immune research.
SKU: BBL-109
Checkout: Current partner listing and availability
Product Overview
Immune system bioregulator peptide for immunosenescence. Khavinson peptide for immune system rejuvenation and longevity. Pre-mixed research formulation.
Every batch is tested by independent EU laboratories using HPLC for purity verification and mass spectrometry for sequence confirmation. A Certificate of Analysis is issued for each batch and ships with your order.
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Recommended alternative: Thymalin
Particle Peptides does not currently stock Cortagen. Thymalin is a thymic peptide complex used in immune-aging and thymus-restoration research — structurally and functionally adjacent to Cortagen.
Researchers also explore
- Thymosin Alpha-1 — Thymosin Alpha-1 is another well-characterised thymic peptide for immune research.

