New on the market is the Ghrp 2 Semorelin Acetate pen system . This pen system is excellent for the HGH user who wants a cost effective Pituitary Growth Hormone up -regulator. The new system is also very convenient in the sense it does not have to be refrigerated and is very portable, great for the on the go user. Each pen system comes with a pen and cartridges. Cartridges can be bought seperately , each carriage contains 40 injections at 300 micrograms per injection. if you what cost effectiveness with flexibility this Ghrp 2 Semorelin pen system is the why to go .Release date 03-01-2014