Premier League: Manchester United striker Robin van Persie feels back to his best form

Manchester United striker Robin van Persie has hit back at suggestions that he is over the hill and insists that after a difficult start to the season he is finally back to his best.

I will play for many years to come at the highest level, at least that's what I want and what I'm aiming for

The Dutch striker has looked a shadow of the man who scored 29 goals in his debut year at Old Trafford and has struggled to find bhis form following the World Cup in Brazil during the summer.

But after scoring three goals in his last three games van Persie feels he has hit good form just in time to face bitter rivals Liverpool at Old Trafford on Sunday.

"When you hit 30 and you're having a bad spell everyone say it's because you're 30 or 31 and things might be over for you," the United striker told MUTV.

"I live a quiet life for my football and I'm almost convinced now that I will play for many years to come at the highest level, at least that's what I want and what I'm aiming for.

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"The age thing is not an issue for me at all."

Van Persie says playing every game for the Dutch in the World Cup took its toll on him and he suffered as a result when the domestic season began.

"It was a hard start to this season," Van Persie said.

"It's hard to maybe pick things up straight away after the World Cup.

"It can be tough to really get back to your best form.

"But over the past couple of weeks I've been feeling very well physically.

"I feel like I can make more runs and keep things going up until the last bit of the game. I feel good and I don't think it's a coincidence that the goals are flowing in much better now."

Watch Manchester United take on Liverpool as part of Super Sunday - coverage from Old Trafford starts at 12:30pm on Sky Sports 1 HD.