Omnitrope by Sandoz of Austria produce a pharmaceutical grade humen growth hormone product. Its pure 191 amino acid somatropin which is bio-identical to that produced by the human body.
The cartridges can come with the HGH powder already in solution so no mixing is required. There are also vials which can be used with this pen and they must be reconstituted before they can be used. Once reconstituted they must be stored at the correct temperature and used within 3 weeks. The cartridges come in various sizes with 5mg (15iu) and 10mg (30iu) being the most popular. Sandoz, the company behind Omnitrope are headquartered in Austria but produce Omnitrope for several countries so its not uncommon to see some products with ie `”Mexico” stamped all over them.