Seen some posts by people complaining of injection site pain. Some general FYI for injections
Deltoid up to 1cc
Thigh up to 2cc
Buttock up to 3cc
Make sure the juice is at least room temp. Alternate locations. Do not use the same location for at least 3 days. If it is a suspension, make sure it is well mixed. Best thing is to put the syringe between your palms then rub your palms back and forth like if you were trying to start a fire with a stick. The more watery the injection.....the less painful.....thicker = more painful. Slow injection. Much Massaging. 9 years as army medic givin shots.......thought it might be helpful to newer members