can bpc 157 be absorbed through the skin Benefits of BPC-157 BPC-157: The Healing Peptide π,
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Huber, A
[Google Scholar] 68.Mitchell MC, Teigen EL, Ramchandani VA

This applies to several popular peptides used in research and therapy

van Boxtel, A

Highly absorbable, long-lasting, and safer than high-dose oral supplements

If you're looking for piercing needles, you'll likely need 20G or 18G
