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
Retatrutide is still investigational and not approved by any regulator as of April 2026, so everything below is presented as clinical-trial data, not as medical guidance
At higher doses, it is also absorbed by passive diffusion across the gut wall, independently of intrinsic factor
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