can bpc-157 be taken orally Pure Oral Spray, Integrative Peptides – Natural Healthy Concepts Oral vs Injectable BPC-157: Differences,

The TLR2 haplotype 22 (rs4696480TT, rs1816702CC, rs11938228AA and rs3804099TT) (OR: 0.41, 95% CI: 0.190.86, P =0.02) and the haplotype 12 (rs4696480TA, rs1816702CC, rs11938228CA and rs3804099CT) (OR: 0.48, 95% CI: 0.240.95, P =0.04) were associated with nonresponse

If irritation doesn't improve after two weeks of reduced use, discontinue copper peptides entirely for a month

It is sourced from a third-party supplier and supplied as a laboratory reagent only

Gerdeman GL, Partridge JG, Lupica CR, Lovinger DM (2003)

While studies show a slightly higher absorption in the stomach than upper legs and arms, healthcare professionals mention that does not make a significant difference