fellas i dont know what gear you are useing but i can sure 100% feel the differance on test ,i mean 500mgs sust per week and in week 3 i was wanting to fuk everything in sight(female) huge pumps,great appitite,great sence of well being ,i think if one is useing ugl gear this has a huge part in as most ugl,s now days are shit ,i either use hg organon sust of 300mgs/ml home brew.