Originally Posted by Pscarb

Igtropin is media grade it is definatly not receptor grade IGF-1LR3, Igtropin is made by GenSci (jintropin)....the ten vial each contain 100mcg's but they come with sterile water so once you mix a vial you will need to use it within 48hrs or it will start to degrade.

Receptor grade IGF-1LR3 is very very rare and so expensive believe me you would not be able to afford it and to be honest for what it would give you there is no point in using it...