In animal models, BPC 157 has shown a prophylactic effect, meaning it helped protect the heart and blood vessels from damage when administered before an induced injury
A mild shortage might simply require dietary tweaks, whereas severe depletion necessitates immediate, potent B12 injections
If they added these peptides to the list that might be a very simple solution
It doesn't seem to have a single, specific receptor like many traditional drugs
What the evidence does not establish: Human efficacy at clinically meaningful magnitudes, long-term safety, cardiovascular profile under chronic dosing
2 Science (1987) D-alanine in the frog skin peptide dermorphin is derived from L-alanine in the precursorRichter, Egger & Kreil (PMID 3659910)