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
As well, excessive dietary protein that is above the needs for repair or growth can be converted to fat by the liver and increase visceral adiposity (Mozafariun et al 2025)
Ozempic, which is approved in a lower dose for diabetes and is also used off-label for weight-loss, also lists constipation and diarrhea as common side effects
One possibility is that GLP-1 RAs exert direct effects on the brain, particularly within regions involved in mood and reward processing, said Pillinger
Prevention: Label your vials clearly
PubMed Central PMCID: PMC6613229