About us

GenSci - a leading Chinese biotechnology company Jintropin.us has been in business for 6 years straight and running strong! part of the success has revolved around the philosophy of being safe and discrete. Our customers will all attest to the exellent customer service which includes super fast delivery time, and very low- profile packaging. Our main focus is the customer. We strive to be the best in the industry. Customer satisfaction guaranteed. We focus on high quality products trying to get the best price for you. Secretion Technology China patent Purer Products : Secretion of the proteins out of E.coli cells can minimize the contamination by E.coli toxic proteins Higher biological activity : Secretion can lead to products with the correct primary amino acid structure as well as 3-dimensional structures, contrary to the traditional inclusion body technology Higher yield : no refolding is required GenSci uses a procedure called secretion technology which produces 191 amino acid sequence human growth hormone , with far less E.coli protein contamination and no side effects associated with injection, such as red painful welts. Growth hormone produced using secretion technology is very stable: before reconstituted: if refrigerated between 2 - 8 degrees celsius it's good for over a year (untill expiration date) at room temperature (up to 37 degrees celsius) it's good for over 30 days at up to 45 degrees celsius it's good for about a week after reconstituted: it has to be refrigerated at all times. It's good for 20 days GeneScience Pharmaceutical Inc * We provide DOMESTIC shipping from USA and EU * We guarantee 3-4 days delivery * Money back guarantee * Price includes the insurance in case of the package is confiscated Anti-counterfeiting system It can help you identify genuine GenLei Jintropin by the 12-digit serial numbers on the packet seal. If you have any questions, Please don't hesitate to contact us. Technology Lily's Humatrope use secretion technology which produces a 191 amino acid sequence growth hormone, with much less E.coli protein contamination and no side effects associated with injection, such as red painful welts. This technology also has the advantage that growth hormone produced using secretion technology is very stable, it remains stable at 37C (98F degrees) for over 30 days (45C degrees for over a week). While growth hormone with 192 amino acid sequence is stable at room temperature for only a few days.