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Its small molecular weight (~505 Da) and lipophilic character support oral capsule administration consistent with the published research literature

Yes reconstituted BPC-157 must be refrigerated at 28C immediately after mixing and kept refrigerated throughout its 28-day use window

Models of the gastrointestinal tract and peptide stability Because the literature describes BPC-157 as a peptide stable in human gastric juice, arginine forms are of interest to laboratories examining sample integrity after exposure to low pH, dissolution rate, and unit formulation compatibility

Without the preservative you lose the multi-withdrawal sterility that reconstitution work depends on.