grey market retatrutide isn't supposed to be everywhere. Touted as the next generation in the GLP-1 craze, it's an experimental weight-loss drug that is not authorized outside of clinical trials. The Food and Drug Retatrutide for Weight Loss: Availability,

This system is activated by food, but also by drugs, alcohol, and other addictive behaviors

In a study involving healthy non-diabetic subjects, daily intake of a Lactobacillus reuteri SD5865 strain for 8 weeks resulted in an increase of GLP-1 secretion in the intestines, which was accompanied by elevated plasma insulin and C-peptide levels [109]

2020 doi: 10.1210/clinem/dgz175

You can read the full article Weight Loss and Hypertension in Obese Subjects PMC (nih.gov)

With the help of CU Anschutz Innovations, the research team launched a startup to further advance these new therapies and will soon find if their fundamental discovery works