Pre workout nutrition is arguably more important than post workout nutrition. Do not eat any carbs before working out, and instead consume essential amino acids (EAAs), or at the very least, BCAAs. Having a full set of free form essential amino acids in your bloodstream as you workout increases protein synthesis by 400% over baseline. Additionally, protein synthesis will not occur unless there are a full set of aminos in your bloodstream, because its rate limited by the least amount of aminos you have. So if one aminos is at 60% capacity, only up to 60% of the aminos will be used for synthesis. BCAAs will not cause protein synthesis by themselves without the other aminos, but they will prevent muscle breakdown