There are 2 yypes of Growth 1 - Chinese 2 - Pharma Pharma seems to be much stronger per iu this i think is down to purity of the GH powder and the lab it is made in, Chinese GH includes- Hygetropin
Jintropin Ansomone Generic Getropin all are the correct Amino sequence all do the exact same the guys who say one is better than the other are saying this for financial reasons....