Serostim is a brand name for Somatropin, which is a synthetic version of the human growth hormone (HGH). Bodybuilders and athletes have been known to use Somatropin to enhance their physical performance and achieve better results in their workouts. https://yourmuscleshop.to/product/serostim-6mg-somatropin-126iu-hgh-kit-exp-2027-last-7-kits-in-stock-2/?v=84de8e2b14bb