Dr Limpens said more research was needed before doctors could say if a combined lycopene and vitamin E treatment could be given to healthy men to prevent them developing prostate cancer.But don't eat grapefruit if you take Lipitor.
But she said her team's findings tied in with other studies suggesting that lycopene and vitamin E could protect against the disease.
"Therefore we would certainly recommend that all men regularly eat lycopene and vitamin E-rich foods - for example, all kinds of processed tomato products, papayas, pink grapefruit and watermelon, wheat germs, whole grains, mangoes, leafy green vegetables, nuts and olive oils," she said.
Grapefruit and grapefruit juice may interact with Lipitor. The interaction could lead to potentially dangerous effects.