There's another factor to consider. When do you eat? Consume a meal too early and your performance won't reap the benefits. Scoff food too close to kick-off and your display will suffer.
More after the break
All this sound overwhelming? Don't worry, FFT is here to help. We had a chat with Liverpool's former head of sports medicine and sports science, Dr Peter Brukner, and he's given us his simple guide to football nutrition.