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It works best during the early escalation phase when weekly doses are 1mg or 2mg
Established research on intranasal peptide delivery exists for oxytocin, insulin, and several neuropeptides
Similar concerns apply to phosphodiesterase-5 inhibitors (medications like sildenafil) and L-arginine supplements that also influence nitric oxide signaling
The peptide source determines what is actually being administered: A pharmaceutical-grade 503A compounded BPC-157 has verified concentration, sterility, and purity
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