Instead you should have creatine and a multivitamin. Also make sure you are getting enough good fats - whether from food, oil, or supplementation. You can also chuck some BCAAs in there as well.
Check out The 5 Basic Supplements: The Only Supplements That Are Essential To Your Regime for more on the reasoning behind my recommendations.
Since you're starting back after ~2 years not training, you are essentially starting back in a "beginner" state, and therefore your body will respond like a beginner. Get your nutrition and training correct for your goals, and you should see rapid results for a few weeks - take advantage of it before your body's muscle memory kicks in and progress slows.