Pharmaceutical-grade peptides, ready to inject

How Peptide Therapy Works

Peptides are short chains of amino acids that act as biological signals. Your body produces hundreds of them, regulating tissue repair, immune response, growth hormone release, sleep architecture, and dozens of other processes. Production of most peptides declines with age, often by 50% or more between 30 and 60.

Peptide therapy uses identical or synthetic versions of these molecules to amplify or restore signals that have weakened over time. Because peptides work through your body's existing pathways, they tend to produce specific, predictable effects rather than the broad downstream changes of traditional hormone replacement. BPC-157 sends repair signals. Sermorelin asks your pituitary to make more growth hormone. PT-141 acts on melanocortin receptors. Each peptide has a defined job.

Peptide Therapy Benefits

Different peptides target different systems. The most common reasons patients start peptide therapy at PeRx:

• Recovery and tissue repair — BPC-157, TB-500, and the BPC/TB-500 combo accelerate tendon, ligament, and gut healing.
• Anti-aging and skin — GHK-Cu rebuilds collagen and elastin. Epitalon reactivates telomerase. Glutathione drives Phase II liver detox.
• Growth hormone optimization — CJC-1295/Ipamorelin, Sermorelin, and Tesamorelin restore declining GH pulses without injecting synthetic hormone.
• Sleep and mood — DSIP improves deep-sleep architecture. Selank/Semax reduces anxiety without sedation.
• Energy and metabolic — MOTS-c improves mitochondrial function. AOD-9604 targets visceral fat. NAD+ restores cellular energy.
• Immune function — Thymosin Alpha-1 modulates T-cell response and is the most clinically studied immune peptide.
• Sexual health — PT-141 acts centrally for libido without affecting blood pressure.

Most patients notice early effects within 2-4 weeks. Body composition and structural changes typically take 8-12 weeks. See the full results timeline guide for what to expect at each stage.

Common Peptide Types

Peptides fall into a few functional categories. Use the filter chips above to browse by goal, or jump directly to a category:

Every peptide in the catalog above is prescribed by a US-licensed provider and compounded at FDA-registered 503A pharmacies. The vials ship fully reconstituted and ready to inject. No research-grade products, no reconstitution required.