I save the abdomen for HCG only...I use the outer/upper thigh and upper glute for everything else (Test Cyp, Tri-Amino, LIPO-C, and CALM). You could stay with 1ml 29ga 1/2" for all of this, but I often inject Tri-Amino and LIPO-C in the same syringe, so that winds up being a 3ml 26ga 1/2".