'Clinical trials and newer imaging studies (DEXA, MRI) show that while people mainly lose fat mass, a proportion of the weight lost is lean tissue mostly muscle and some bone mineral density,' says Dr Saima Ajaz, senior clinical lecturer at Kings College London and medical director at the Harley Weight Loss Clinic
Under physiological conditions, ROS levels are tightly regulated by endogenous antioxidant systems, including superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) (Li et al., 2025)
Understanding the mechanism helps you appreciate why retatrutide produces different results than tirzepatide and why the transition is worth the effort for the right candidates
And when he showed up at the pharmacy counter to pick up his Ozempic, this time, they told him he would have to pay full price
Histamine intolerance is an enzyme-capacity issue: symptoms appear when histamine intake exceeds what your DAO and HNMT enzymes can break down
After initial response, most treated patients experience relapse with an aggressive phenotype