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What is Saizen?
Saizen made by Merck Serono is an FDA approved Huaman Growth Hormone. Saizen in Mexico comes in small 1.33 mg, 4 IU vials that are mixed manually. Saizen like Humatrope and Norditropin is FDA, pharmacy grade HGH. While Saizen does have an 8mg, 24 IU pen the price for the pen is 3x the amount per IU for the vial. If you are looking for a pen because of its ease of use, we highly recommend the Norditropin NordiLet pen.
Our favorite quality about Saizen is it is the most stable human growth hormone available. Saizen can handle 3 weeks of normal room temperature without losing its potency. Therefore we highly recommend Saizen for people whose lifestyles have them constantly traveling.