The Ateronon capsule contains a chemical called lycopene which makes tomatoes red and is known to break down fatty deposits in the arteries.
Cambridge University researchers in trials of the pill found it boosted blood flow and improved the lining of vessels in patients with pre-existing heart conditions.
It also increased the flexibility of their arteries by 50 per cent, the 'Daily Mail' reported.
Scientists believe the pill could not only limit the damage caused by heart disease but also benefit those with arthritis, diabetes and even slow the progress of cancer.
Each pill provides the equivalent of eating around 2.7 kg of ripe tomatoes.
Studies have shown eating a Mediterranean-style diet rich in tomatoes, fish, vegetables, nuts and olive oil can significantly reduce cholesterol and help prevent cardiovascular disease.
Preliminary results from a two-month trial, in which the pill was given to 36 heart disease patients and 36 healthy volunteers with an average age of 67, were presented at a meeting of the American Heart Association.
The results showed that the pill improved the function of the endothelium