Lycopene is a carotenoid (red pigment based) plant substance that is a strong antioxidant. It is found predominantly in tomatoes but also in some other red pigmented food, and is regarded as having a beneficial effect in reducing risk of prostate cancer and a protective factor against it. Lycopene in tomatoes appears to be released at greater levels in cooked or processed tomatoes, or those combined with oil. Lycopeneis found in foods such as: