I am going to take a wild guess that if you havent found somewhere to get IGF you probably havent done much research on its use either.
SD is a great supp but I certainly hope for your own good you have read and understand the proper support you need to protect your liver and lipids.
Lastly if you are as young as I think you are from your post you might want to reconsider all of these things. If I am wrong about your age my apologies but you still need to learn a LOT before you move forward with this stuff.