Igtropin IGF-1 Long R3 (insulin-like growth factor)
Company: (generic) China Usage: peptides Description Igtropin IGF-1 Long R3 IIGF-1 Long R3 (Insulin-like Growth Factor) IGF-1 isn`t a top-secret chemical, nor is it a dangerous steroid. IGF1 is actually a natural molecular structure similar to insulin. IGF-1 is the abbreviation for Insulin-Like Growth Factor 1.Know in scientific circles as a …