Making a point to eat more vitamin B12-rich foods is a great way to boost your energy if your system is lacking
There is no single published list of FDA-approved peptides, but the category of formally approved peptide-based drugs includes GLP-1 receptor agonists (Ozempic, Wegovy, Mounjaro, Zepbound), insulin analogues, leuprolide, vasopressin analogues, oxytocin, and several others used in endocrinology and oncology
doi: 10.1016/j.cgh.2012.02.018
One is the migrating motor complex (MMC) which sweeps through the intestine between meals, and another is a healthy gut microbiome of beneficial bacteria competing with opportunists and keeping each other in check
Surgery didn't work, pt didn't work, nothing worked for years