Vitamin B12 (cobalamin) is a watersoluble vitamin essential to multiple cellular processes including hematologic function, methylation pathways, nervous system signaling, and energy metabolism
In particular GLP-2 is important for overall gut health, so if you lower natural GLP-1 production you also make your gut less healthy
Palamara et al., 1995, 1996
Zomer E, Gurusamy K, Leach R, Trimmer C, Lobstein T, Morris S, et al
The sublingual delivery route administers MT-II to the mucosa beneath the tongue, where the dense sublingual vasculature allows for systemic peptide absorption without the hepatic first-pass metabolism that limits oral bioavailability in most peptide formulations
Cardiac and Neural Repair Research TB-500 has been studied in cardiac ischaemia and neural injury models