UD2 will mak u hyoooge!!! And increase your penis size, to boot. 1.
Seriously, I've had great results with it. Seeing veins I'd never seen before, in addition to getting visible abs. Gained lbm and lost fat. Why? Probably lucky genetically, have muscle memory from lifting previously, am a little larger than average. Also, I can follow directions well enough to get the approximate result I want.
Lyle lays the whole thing out in a very methodical manner, it's almost idiot proof. In addition there is a handy and interesting account of the biological processes that occur under dieting.
Note: Do not think of doing this diet without a set of food scales and logging your food intake, it's critical.
1. Any successful diet will do this if you are measuring with a ruler from the pelvic bone, due to decreased skinfold measurements.