One important consideration: a 5mg vial reconstituted with 2mL of water gives you excellent measurement precision at the 1mg dose level (40 units, very easy to read), but the 4mg dose would require 160 units, far exceeding the syringe
This is the result of a deficiency that remains untreated over a long period
The active molecule is Alpha-2 Macroglobulin
The American Gastroenterological Association (AGA) has not issued a position statement on BPC-157
J Physiol Paris 87:313327 Sikiric P, Seiwerth S, Brcic L, Sever M, Klicek R, Radic B, Drmic D, Ilic S, Kolenc D (2010) Revised Roberts cytoprotection and adaptive cytoprotection and stable gastric pentadecapeptide BPC 157
Forrest JB, Payne CK and Erickson DR: Cyclosporine a for refractory interstitial cystitis/bladder pain syndrome: Experience of 3 tertiary centers