No, this is not a synthetic product or version of IGF-1. It is also not an isolated version of IGF-1. Whenever you take an isolate you create some imbalance in your body. The IGF-1 in velvet antler is derived and delivered as it was intended in nature, which is in a balanced matrix. The IGF-1 found in velvet antler is a 70-chain amino acid sequence, which is what your body naturally produces on its own.