bpc 157 stable form BPC-157 Peptide: Mechanisms, Benefits, and Scientific Applications BPC-157
Description
Shaking creates foam and can mechanically destroy the peptide molecules, rendering your sample useless

[DOI] [PubMed] [Google Scholar] 26.Filli L, Schwab ME

Hydroxocobalamin is the active component (USP) Other ingredients include sodium acetate hydrate, acetic anhydride, sodium chloride, and injectable water

Bacteriostatic water is commonly used to reconstitute lyophilised peptides and compounds, helping preserve sterility across multiple withdrawals when proper aseptic technique is followed

This injection-grade water is another important diluent designed for injections

If I have any of this wrong, feel free to correct me (addressing more experienced members of this forum) The problem with a retest at this point is that after 6 injections, the B12 level will likely be elevated and it will be very difficult to know what the original value would have been
