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Penta deca peptide arginate typically costs more per unit than BPC-157 acetate, but the improved oral bioavailability can make it more cost-effective on a per-effective-dose basis for oral protocols

Some patients may experience slight soreness at the injection site or minor bruising, which typically resolves within 24-48 hours

So you are absorbing less B12 AND eating less of it simultaneously

During Australia laboratory studies the peptide BPC-157 nasal spray has demonstrated wound healing, injury repair, gut health and cardiovascular benefits during Australia animal studies

Topical ones are absorbed through the skin, giving local benefits