Building Lean Muscle on a Calory Deficit

If you are low in energy, your body is less likely to spare that protein for lean massa cruel because it's sensing an energy deficit. So it's more likely to oxidize that protein or convert it to energy strup substraight. If you're overweight or obese, you can build muscle on a calory deficit because you have so much of an energy surplus. And then the last one is performance enhancing drugs, which ought ought to, obviously, to change things.