More specifically, research shows small peptides under 16 kilodaltons (kDa) primarily leave the injection site through diffusion into blood capillaries, while larger proteins are predominantly absorbed via the lymphatic system
Mehta A, Sigman M

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Pharmacokinetic Interaction Analysis The honest assessment: we do not know whether BPC-157 inhibits, induces, or has no effect on CYP3A4 or P-gp in humans
The FDA has announced a public advisory committee meeting later this summer to consider moving specific peptides to the 503A bulks list[1], which could reopen the door for licensed compounding pharmacies to prepare them
If your bathroom counter looks like a small CVS, you're not a