Long-term carcinogenicity data in rodents is limited
The peptide stability guide compares shelf life and degradation profiles across commonly used peptides
Curr Pharm Des 20:11261135 Sikiri P, Petek M, Ruman R, Seiwerth S, Grabarevi Z, Rotkvi I, Turkovi B, Jagi V, Mildner B, Duvnjak M, Lang N, Danilovi Z, Cviko A, Kolega M, Sallmani A, Djai S, Bura M, Brki T, Bani M, Dodig M, Cori V, imievi V, Veljaca M, Erceg D, Jeek D, Simuni-Banek L, Skroza N, Buli K, Buljat G, Hanevaki M, Orihova V, Luinger D, Culig J, Separovi J, Marovi A, Mie S, Suchanek E, Matoz W, Perovi D, Gjurain M, Mikulandra S, Dernikovi K, Cuk V, Karakas I (1993) A new gastric juice peptide, BPC
What exists is mechanistic plausibility, preclinical animal data, and observational reports from research settings