Blood vessels matter because angiogenesis improves oxygen and nutrient delivery to injured tissue, which supports wound, tendon, muscle, and gut lining repair in preclinical models
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
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No dose-ranging trial was ever completed
This distinction is not a minor detail
Although it often shows as blisters, it can also look more like hives