Pharmaceutical peptides offer incredible targeted therapeutic effects due to their impressive specificity in binding to receptors, diverse and unique biological activities, and impressive degradation rates, which in turn serve to reduce the risk of toxicity. Despite their short half-lives, the continued advancement in peptide synthesis techniques enable the production of these peptides on a large scale with an unprecedented degree of purity. Furthermore, their low immunogenicity is yet another factor contributing to their enhanced safety. Moreover, vigorous efforts are currently underway to develop innovative oral delivery methods in a bid to increase patient convenience and promise broader access to peptide-based treatments.