you are not doing yourself any good by not eating
supplements taken for whatever reason are not a substitute for food
i think your heart racing and the jitters should be a warning to you /Im not sure why you are taking two fat burners together
if your aim is to put on muscle , you are not giving your body anything to work with , no protein to build and repair, no carbs for energy and no good fats .
in short you are going to burn yourself out and to get the energy you want , you will be relying on stims.
To sum up , not very healthy at all.