I used Genotropin and it needs to be stored in the refrigerator. Particular attention should be paid to keep growth hormone at a temperature of 2 to 8 degrees, I personally store it on the refrigerator door. The shelf life of Genotropin is 2 years, so if your hormone lies in the refrigerator for 2-6 months and the production date is not too old, then everything will be okay. I ordered in the Turkish company pharmaHGH, I’m completely satisfied with the drug, if you are interested