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BPC-157 Arginate

BPC-157 arginine salt · Stable BPC-157

Last reviewed:

Research focus
tendon ligamentgut healingregeneration

An arginine-salt formulation of BPC-157 promoted as more chemically stable in aqueous solution than the acetate form. Marketed for research use where extended reconstituted stability is required.

Mechanism of action

Activity is attributed to the same pentadecapeptide sequence as BPC-157 acetate. The arginate (arginine-salt) counter-ion is proposed to improve aqueous stability and reduce reconstituted-solution degradation, although peer-reviewed comparative pharmacokinetic data are sparse.

Research history

Has emerged in the research-chemical market in recent years as an alternative salt form of BPC-157. Independent characterisation in the academic literature is limited compared with the original acetate salt.

Summarised studies

Comparative aqueous stability of BPC-157 salts

Independent supplier white-paper data · 2022

Vendor-supplied stability data suggest reduced peptide degradation for arginate-formulated BPC-157 stored in solution at refrigerator temperatures over 28 days; independent peer-reviewed corroboration is limited.

Safety profile

Safety considerations mirror those of BPC-157 acetate. Differences in counter-ion identity are unlikely to alter the intrinsic safety profile but may influence formulation pH, osmolarity, and tolerability of any given preparation.

UK regulatory status

Not approved for human use in the UK. Inherits the WADA S0 classification of BPC-157.

Frequently asked questions

How does BPC-157 arginate differ from BPC-157 acetate?
The active pentadecapeptide is identical; the difference is the salt counter-ion. Arginate is promoted as more stable in solution, while acetate is the form used in the majority of historical pre-clinical literature.
Is there published clinical data on BPC-157 arginate?
No. The clinical and pre-clinical evidence base concerns BPC-157 generally and predominantly the acetate form.

Where to source BPC-157 Arginate 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.

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