Angelina Jolie's new liquid detox diet has come under fire from cast and crew members on the set of her new film Salt, according to a new report.

The Changeling star - who is reportedly attempting to shed 21Ibs in 21 days on a strict regime of lemon juice, cayenne pepper and maple syrup - is said to be feeling weak and light-headed during takes.

A source tells The Sun: “She does all her own stunts but we worry she could injure herself due to the weight loss.”

According to reports, Angie has taken the drastic measures to lose weight so she is in peak physical condition to perform stunts for her role as CIA agent Evelyn Salt.

And it is also claimed that in order to give a convincing performance as a man - one of the many disguises her character Evelyn takes on - Angelina wants to lose her womanly curves.

We wonder what Brad will have to say about Angelina's new masculine makeover?

See Angelina on the set of Salt below