Notably, GLP-1 have shown the ability to reduce the pleasurable effects of nicotine, as evidenced by decreased nicotine-induced movement, reduced release of dopamine (a neurotransmitter associated with reward) in the nucleus accumbens, and a decrease in conditioned preference for places associated with nicotine use
This makes it easy to see when you are at peak levels, when the trough occurs, and how shifting your injection day or time would change the curve
Gorgojo-Martinez JJ, Mezquita-Raya P, Carretero-Gomez J, Castro A, Cebrian-Cuenca A, de Torres-Sanchez A, et al
Consequently, if there is any doubt as to the status of a substance or method, it is important that they contact their respective Anti-Doping Organizations (International Federation or National Anti-Doping Organization) for advice