Key Points Genetics probably plays a part in GLP-1 response, but it is not the main practical explanation in most cases A new Nature paper found GLP1R and GIPR variants associated with efficacy and side effects, but effect sizes are modest Non-genetic factors drug choice, dose, duration, sex, diabetes status still explain more variation than genetics Current evidence does not justify routine genetic testing before prescribing semaglutide or tirzepatide Most apparent non-responders have correctable clinical reasons for poor response If you are wondering why GLP-1 drugs work better for some people , the short answer is this: genetics probably plays a part, but it is not the main practical explanation in most cases
If nausea is your primary concern with weight loss medications, Qsymia may be better tolerated in that specific regard
Even in developed markets, affordability challenges can limit long-term adherence and patient uptake
The rest period allows receptor populations to reset before the next cycle
However, the optimal amount of yerba mate to drink before exercise is currently unknown