bpc 157 pubmed human Stable Gastric Pentadecapeptide as a Therapy and Safety Key: A Special Beneficial Pleiotropic Effect Controlling and Modulating Angiogenesis and the NO-System Regeneration or Risk? A Narrative

The freeze-drying process specifically makes them resistant to temperature fluctuations

Slowly direct the solvent down the inside wall of the vial rather than injecting directly onto the powder

Studies on BPC-157 and Erectile Dysfunction Despite the ready applicability of BPC-157 in therapeutic contexts such as angiogenesis, endothelial growth, and regulation of the inflammatory response, no studies to date have been specifically conducted on its use in ED patients

So the protocol sets the dose to land GHK-Cu in a sensible daily range (~1.67 mg), and the three recovery/anti-inflammatory peptides ride along at their lower 0.33 mg each