Use a mass gain powder. I use ultimate nutrition muscle juice 2600. Not a lot of fat just heavy on complex carbs and protein. I take 6 scoops in the morning and it provides me with an extra 1500...
Don't do it. You DO NOT need caffeine b4 an aerobic workout. Before you begin an aerobic workout, proprioceptors in your brain provide your muscles with an increased blood flow. This results in your...