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Hygetropin is a synthetic human growth hormone produced by Zhongshan Hygene Biopharm Co., Ltd by recombinant DNA technology in E.coli secretion expression system.^[1] Hygetropin has the same amino acid sequence with 191 residues as the native human growth hormone produced in the human body.^[2] Hygetropin is used to treat GH deficiency (see Growth hormone treatment). It also has a number of controversial uses (see HGH controversies).

It is more and more common to see use against atlets and body builders, even at the local gym is the use very popular to gain extra muscles as growth hormones have a positive effect on muscles growth. It is also used because of the effects on the skin and to make the body burn fat much faster and it much harder to detect than steroids in blood samples. Some people also claim that it makes your hair and nails better, or at least better looking.

Legal status[link]

Hygetropin is approved by China, and obtained a Chinese SFDA GMP license in 2006. Because of the 2008 Olympic Games in Beijing, the Chinese government closed all Growth hormone manufactures in China. During that period, many fake Hygetropin appeared all over the world. Until 2009, Zhongshan Hygene Biopharm Co., Ltd. acquired the GMP license again. Bonus

There are only 5 factories in China can produce human growth hormone:

1. Zhongshan Hygene Biopharm Co.,Ltd.
2. Changchun Gensci Pharmaceutical Co., Ltd.
3. Anhui Anke Biotechnology Co.,Ltd.
4. Shanghai United Kefei Biotechnology Co., Ltd.
5. Shenzhen Genetech Co.,Ltd.

But it is also many underground labs that produce growth hormones as it is a billion dollar(USD) business.

See also[link]

• Growth hormone treatment
• HGH controversies

Notes[link]