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FITROPIN
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Tweetits 192 amino(BY KEXXING) and its not as good as 191 amino..
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Jintropin and Lily's Humatrope use a technology called secretion technology which will produce a 191 amino acid sequence growth hormone, with much less E.coli protein contamination and not any 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 can be stable at 37C or 98 degrees for about 30 days. While growth hormone with192 amino acid sequence is only stable at room temperature for just a few days.
NOW FITRPOIN
KEXING FITROPIN
To manufacture their rHGH, Fitropin, Kexing is using a technology called inclusion body technology, which can only produce a 192 amino acid growth hormone, very similar to Genentech's old growth hormone, Protropin. Growth hormone produced by inclusion body technology is very easily contaminated by the E.coli protein used to express the HGH. A very common side effect of this contamination lack of product potency due to degradation of the HGH and painful welts at the injection site.
Kexing's growth hormone's first amino acid is Met, while Jintropin and Lily's Humatrope's first amino acid is Phe (which is identical to natural growth hormone produced in your body). Because Kexing's first amino acid is Met, this indicates clearly that Kexing's growth hormone must have 192 amino acids with met being the extra amino acid.
PLEASE NOTE: all the rHGH manufacturers in China, (Kexing, Anke, United) except for GeneScience use the inclusion body technology. __________________
