Food supplement Suitable for vegetarians & vegans Lycopene is a natural compound that gives certain fruits and vegetables their colour. Found in watermelons, pink grapefruits and with particularly high amounts in tomatoes and tomato products. Food supplement Suitable for vegetarians & vegans Lycopene is a natural compound that gives certain fruits and vegetables their colour. Found in watermelons, pink grapefruits and with particularly high amounts in tomatoes and tomato products.