Unlike some medications that peak and fade within hours, GLP-1 drugs have a long half-life. A half-life is the time it takes for the concentration of a drug in your body to reduce by half
But I think hiding it from your doctor is a bad idea
MT-I vs MT-II: Melanotan I (afamelanotide) is more selective for MC1R, so it delivers the tanning effect with far less of the appetite-suppression and spontaneous-erection activity that MT-II produces at MC3/MC4 receptors but it is generally used more frequently to reach the same pigmentation [2]
Over 5 years, 28 participants from the SGLT2i group developed DKA, compared with 11 in the GLP-1 RA group
Wang B, Zhu S, Guo M, Ma RD, Tang YL, Nie YX, et al