The origins of BPC-157 can be traced back to the study of protective proteins in the human body, particularly those found in the gastrointestinal tract
J Cell Physiol (2019) 234(3):220416
So, when your B12 is low, its no wonder you feel drained
Straka E, Ellinger I, Balthasar C, Scheinast M, Schatz J, Szattler T, Bleichert S, Saleh L, Knfler M, Zeisler H, Hengstschlger M, Rosner M, Salzer H, Gundacker C (2015) Mercury toxicokinetics of the healthy human term placenta involve amino acid transporters and ABC transporters
Yu J, Feng Q, Wong SH, Zhang D, Liang QY, Qin Y, Tang L, Zhao H, Stenvang J, Li Y, et al