Yeah parents can be like that, are you sure you are eating enough for cutting? I still eat more than most people on my cut it just happens to be smaller portions each time. Give stats and bodyfat if...
Why dont you just go for a rippetoes or 5x5 program?
Theres only a bit of whey in the protein its mostly casein so it will digest slowly anyway, if its all you have then go for it.
You will notice many beginner programs exclude much bicep work, arms dont need much training if your getting your big lifts in, especially if you dont have much size on you.
Obviously 15lbs in one month is impossible of solid muscle unless you were a noob on heavy roids with great genetics, and it wouldnt continue like that. The workout doesnt work chest, a reasonable...
You should already know the answer, depends on the food but adding simply bad fats and simple carbs will just turn to fat, you cant turn potato chips into muscle.
this site doesnt let you link to others. Anyways I say go the pure, mix it with juice or water and stir it for a bit and you hardly notice it. No reason to get anything else.