Unfortunatly I havent bean able to realy quantify my results. I first started in prior to last cycle at 6IU dialy, I was feeling like a million bucks, was gaining strentgh, sleeping like a baby and eating like a horse. However, numbness set it and I had to stop. Took a few weeks off and started again this time at 4IU when on cycle (dbol, enth, eq, tren). Once again within a few weeks got numb hands but was determined to rough it out. Didnt happen and I had to stop once I couldnt sleep due to my whole arms being numb. Took a good 5-6 weeks off and finally got feeling back in my hands. Due to the haphazard dosing, starting/stopping its hard to say. I started it back up a week or so ago at 2IU and things are going smooth, I seem to be getting the same benefits as I did at 4 and 6IU but with no bad sides. Im off cycle now so I should know more in the next couple months.