Antler King's cutting-edge deer nutrition research shows that energy (fat) may be as critical in antler growth as protein. Energy Plus Wildlife Block contains FIVE TIMES the amount of fat (energy) as most deer blocks on the market! At 5% fat and 16% protein, Energy Plus is ideal for attracting and keeping deer on your property, while at the same time offering them the nutrients they need to grow larger bodies and larger antlers. 7.5-lb. block.