Genotropin Miniquick® is a pen device containing Human Growth Hormone – HGH [somatropin rDNA origin] manufactured by Pfizer. It contains lyophilized powder and sterile injection solution together in a separate compartments and are mixed in the pen automatically before use. Genotropin HGH is e.coli derived and identical to the natural hormone produced in a body. Genotropin Miniquick is one of the most convenient to use HGH devices available. It is packaged in paper cartons containing 7 ready to administer devices and is available at various strengths.