In November 2023, tirzepatide for chronic weight management was approved as Zepbound, with SURMOUNT trial data showing mean weight loss of roughly 21% at the 15 mg dose over 72 weeks
In a series of laborious experiments with rat tissues, she discovered that this molecule naturally existed in the gut, right where she expected it to be
The revelations, first reported Monday by STAT News , add to the troubles of the telehealth company, which has come under fire from both regulators and Novo Nordisk for selling compounded semaglutide
That's intentional
Most GLP-1 method failures trace back to a small set of root causes: non-specific adsorption on metal surfaces producing tailing and lost sensitivity, gradients too steep to resolve critical pairs, insufficient column efficiency for trace impurities, and sample diluents that destabilize the peptide before it reaches the column