5 pack of Humatrope by Eli Lilly 12mg 36 IU injectable kit cartridge. Humatrope is made in the USA by Eli Lilly and is the most popular pharmacy grade, FDA approved human growth hormone available. The kit cartridge is the easiest mixing for Humatrope as their is no manual mixing of the HGH with bacteriostatic water. Just prepare the kit cartridge and apply with the applicator pen that is given free with purchase. The prices of the kit cartridge are higher price per IU than the 5mg 15IU vial. If you are looking for the best price per IU of Humatrope we recommend the 15 IU vials. But if you prefer the easy to use Humatrope, we recommend the kit cartridge.