Football's dietary revolution has cast the dark ages of pre-match steak and chips to Room 101.
A thoughtful approach to nutrition has swept through professional clubs across the country.
Science has proven athletic performance can be improved by topping up your energy stores with the right fuel.
Manchester United's head of sports science, Tony Strudwick, runs the rule over the Red Devils' diet - making sure players like Darren Fletcher don't gas out over 90 minutes.
In this video he reveals the one essential supplement you should add to your diet and stresses the importance of eating right.
Tony Strudwick was talking at Leaders in Performance, part of Leaders in Football. For details on 2011’s conference, click here.
Also see:
Bedtime at the Theatre of Dreams
Stay sharp with Manchester United
Drive with Darren Fletcher's engine
‘The fact he’s on a short deal doesn’t sit well. Gareth laid the foundations for players coming through. All Tuchel’s got to worry about is the here and now’: England hero lays out his issues with Thomas Tuchel appointment
‘England supporters are craving some success. If Tuchel can come in and finish the brilliant job Gareth Southgate started, nobody will care if he leaves’: Ex-Three Lions international gives his take on Thomas Tuchel's short-term deal
