For stubborn fat with diet already in place: AOD-9604, MOTS-c and tesamorelin, without a GLP-1.

A GLP-1 is for meaningful weight loss where appetite is the problem. These are for the last stretch, or for people who do not want a GLP-1.
No. These support; the deficit does the work.
8 to 12 weeks.
If you have 20+ lbs to lose, usually yes.