are there any known side effects of using bpc 157 BPC-157: Miracle Healing Peptide or Hidden Danger? Peptides and BPC-157 for Pain:
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It does this by messing with the bodys way of taking in B12 in the ileum

The amount of generated p-nitrophenol was determined from the molar absorption coefficient at pH 8.5, which was 18.290 M 1 cm 1 at pH 10.5

How to Evaluate BPC-157 Peptide Quality for Research Use Research reproducibility depends heavily on compound quality