Although I am usually not inclined to posit speculations on why a particular drug does or doesn't do something, in this case I will. Im guessing that the higher doses of Anadrol cause enough appetite suppression (at least anecdotally) to make eating rather difficult. It can also increase insulin resistance and glucose intolerance (5). This has the effect of making macronutrient absorption more inefficient, and could also be a factor in reducing gains when the dosage goes over 100mgs/day. Unfortunately, Anadrol also has a reasonably profound effect on your body's natural hormonal system, on par with most other oral steroids , but not as bad as most injectables, and its certainly not as harsh on your lipid profile as many anabolics are
Then we have benefits for the dieting athlete, but in most cases, when it comes time to cut this will not be a steroid we can expect to provide very much in most cases. There are many steroids from which we have to choose, and the majority will find other options to meet their cutting needs with greater efficiency; however, as always there are exceptions. dianabol as such a tremendous strength increaser can be used as an excellent strength preserver and even a tissue preserver to a degree. Some athletes may find a use for this steroid during the cutting phase, especially those of a competitive bodybuilding nature early on in a diet.