i just finished axios enthanate. wasnt painfull at all. i shot always in the glutes though. seems to me no mater what i put in my quads hurts like hell. im using trem n test prop now ed. im shooting lats,quads,glutes,delts. i just cant bring myself to hit biceps or calves. prop hurts ,trem is sweet,love that little taste afterwards. heat the oil ,massage the spot n check ur gear.u know all this.