Different metabolites of these medications make them slightly different, which may also affect how quickly they leave the bloodstream
For example, consumption of fava beans causes oxidative stress to erythrocytes possibly by two main toxins, vicine or convicine, thus triggering acute hemolytic episode (favism) in affected subjects 7
Effects of intermittent fasting, caloric restriction, and Ramadan intermittent fasting on cognitive performance at rest and during exercise in adults
PMID 9074797
Sci Transl Med 10(472):eaat3392 Jun LS, Millican RL, Hawkins ED, Konkol DL, Showalter AD, Christe ME, Michael MD, Sloop KW (2015) Absence of glucagon and insulin action reveals a role for the GLP-1 receptor in endogenous glucose production