The club will be closely monitoring the former Newcastle striker’s diet and drinking.
The People reports that Carroll is reportedly even prepared to ditch his ponytail in order to please Liverpool bosses.
The 22-year-old has scored just four goals since joining Liverpool in a £35million deal from Newcastle in January.
A source told The People: “Andy is happy to go along with this long training schedule Liverpool have devised for him. It’s a conditioning programme which will look at his whole lifestyle. While Carroll is obviously a big lad he is not particularly muscular and they are wanting to put this right. They are not looking to give him more bulk, but more strength.
“He knows that as a £35m signing he should be the first name on the Liverpool team-sheet for the game at Chelsea but he also knows this won’t be the case.
“And as far as England are concerned he feels that his international career is going backwards.”
