"This applies to both performance-enhancing drugs and so-called recreational drugs. They have no place at our club or in sport.
"In coming to a decision on this case, Chelsea believed the club's social responsibility to its fans, players, employees and other stakeholders in football regarding drugs was more important than the major financial considerations to the company.
"Any player who takes drugs breaches his contract with the club as well as the FA rules. The club totally supports the FA in strong action on all drugs cases."
Mutu failed a random drugs test at the club's training ground on 1 October.
Yesterday it emerged he had been charged and suspended by the FA. A hearing may be held in the next fortnight and he could face a six-month ban..