Why Is the Neuropeptide DSIP Extremely Beneficial? PARTICLE, s. r. o. Antipsychotic Depot Injections Neupsy Key Here's a cheat sheet on how and where to inject those peptides! . . . . #workoutmotivation #workout #fitness #retatrutide #explorepage Still injecting in the same spot every time? Read this. Where you inject your peptides can actually affect absorption, comfort, and results. Quick guide: Abdomen: fastest absorption Upper arms