Evaluating the Good, Bad, and Alternative
Sitagliptin, but not metformin, increased active GIP concentrations
We further hypothesized that l-theanine, caffeine and their combination would improve impulse control by increasing reactivity of inferior frontal and dorsolateral prefrontal cortical regions of the brain that are thought to be the neural substrates of impulse control
Slows Gastric Emptying: Prolongs the digestion process to enhance satiety
However, by slightly altering the chemical structure of this nutrient (adding the acetyl group), it can cross the blood-brain barrier and function to support both brain health and energy production
15 Despite proven efficacy, there are recent safety concerns regarding sitagliptin use