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BPC-157 vs AOD-9604

Both BPC-157 and AOD-9604 are discussed in the context of post-injury recovery, but they originate from very different research programmes and target different tissues.

BPC-157

A 15-amino-acid pentadecapeptide derived from a protective protein found in human gastric juice. The most-studied healing research peptide, with extensive pre-clinical work on tendon, ligament, gut, and vascular repair.

AOD-9604

A 16-amino-acid C-terminal analogue of human growth hormone, originally investigated for lipolytic activity and subsequently studied for cartilage repair and post-injury recovery.

Origin

BPC-157 derives from a gastric-protective protein and was developed for gastrointestinal indications. AOD-9604 is a C-terminal fragment of human growth hormone originally developed as an anti-obesity agent.

Tissue focus

BPC-157's strongest pre-clinical evidence is in tendon, ligament, and gut repair. AOD-9604's recent interest has been in cartilage repair (e.g. intra-articular use in osteoarthritis models) alongside its original lipolytic activity.

Hormonal axis

AOD-9604 is reported to lack growth-hormone-receptor-mediated effects on IGF-1, distinguishing it from full-length hGH. BPC-157 is hormone-axis-independent.

Regulatory

Neither is licensed in the UK. Both have appeared in anti-doping enforcement contexts.

Verdict

For tendon/ligament research, BPC-157 has the deeper evidence base. AOD-9604 remains interesting in cartilage-focused research, particularly in combination with hyaluronic acid in joint models.

Where to source research peptides for laboratory research

The following UK-based suppliers stock research-grade, lyophilised peptides for in-vitro and pre-clinical work. Purity and provenance vary; always request a Certificate of Analysis (CoA) and confirm cold-chain storage on arrival. None of the products linked below are approved for human use.

  • PeptideAuthority.co.uk

    UK-based research peptide supplier with batch certificates of analysis and >99% purity testing.

  • PeptideBarn.co.uk

    Wide catalogue of research-grade lyophilised peptides shipped from the UK, including bulk vials.