You know how some people on here report amazing results and others barely see a difference on the same dose? I found a research proposal that might explain why.
The study is looking at whether your gut microbiome, specifically the short-chain fatty acids (SCFAs) your gut bacteria produce, acts as a modifier for how GLP-1 receptor agonists work in your body. Basically, different gut bacteria might mean different people get different effects from the same drug.
It's focused on the South Asian metabolic phenotype specifically, since that population has really high rates of metabolic syndrome and tends to respond differently to these kinds of treatments.
If this research pans out, it could eventually mean doctors test your gut microbiome before prescribing to predict how well you'll respond. Or even that adjusting your microbiome (through diet, probiotics, whatever) could improve how well the drug works.