I remember Rich Piana talking about how the IGF you get nowadays isn’t real. However, most sellers are able to provide HPLC testing certificates that usually indicate a 95%+ purity. How does one tell if the IGF is real or not? Does the powder in the vial being a plate or dust matter? Do bubble shaped clumps stuck to the bottom of the vial matter? As another note, are we allowed to ask about source verification anywhere on these forums?