I used it extensively competing back in say 2001. IGF-1lr3 in theory is actually more potent then true IGF-1 prescription. You will hear the exact opposite of that and the reason why is that legit IGF-1lr3 can be tricky to find. And alot of it is underdosed or counterfeit, thus the reasoning.
True IGF1-lr3 is no joke. I have gone hypo on it, so if you have the real deal, don't take it for granted. I used to do 40mcgs, or 40mcgs 2x a day.
I also frontload an extra cc of bac water with it, and then I injected into small muscle groups, like say triceps, biceps, and although temporary, I assure you , you can make massive size enhancement gains to a problem area, etc. I have very short triceps genetically and after a month on IGF1-lr3,alternating ED shots, my triceps literally dwarfed my biceps, to the point it was insane LOL
It disappaits within a few weeks once you stop, since it is water, but man you can def add some nice size this way if you are competing and need an edge. And unlike synthol (though I have never used it) you don't see that bubbly mis-shaped muscles, and oily surface.
Anyways I do personally like HGH better. But IGF1-lr3 certainly helped me out.
I feel like based on the low quality you see overall, I'd rather just give IronLion some cash for some orangetops.
That or if you want legit IGF, Sciroxx is a great brand and so is Titan Medical which is made in a compounding facility.