Description GERIOSTIM AQUA® 100IU Recombinant Human Growth Hormone (rDNA Origin) 33.33 mg/3 ml Solution for injection in a prefilled pen Description: GERIOSTIM AQUA® 100IU pen is a human growth hormone (HGH) produced by recombinant DNA technology using Escherichia coli. The protein is comprised of 191 amino acid residues and has a molecular weight of about 22,125 daltons. The amino acid sequence is identical to that of human GH of pituitary origin. Recombinant Human Growth Hormone (rDNA origin) 33.33mg/3ml Solution for injection in a prefilled pen Each box contains: Box – 1 Prefilled pen