While semaglutide does not directly affect thyroid function at therapeutic doses, the FDA label includes a boxed warning about thyroid C-cell tumors observed in rodent studies, though the relevance to humans remains uncertain
American Journal of Physiology Endocrinology and Metabolism
et al., NNMT regulates cellular metabolism through NAD and methyl donor balance, Nature Chemical Biology, 2013
The reason this topic receives so much attention is the semaglutide cardiovascular outcomes trial SUSTAIN-6, in which diabetic retinopathy complications were reported more often in the semaglutide group than in the placebo group
It is not considered to be useful when first diagnosed with diabetes when changes to diet, reductions in weight, increasing activity and taking metformin are the best things to do
Even with the possible blood vessel growth, it was shown to suppress 70% of genes overexpressed in metastatic colon cancer in the lab