There are hundreds of varieties of tomatoes to try but these ones are the healthiest. Words Jane Wrigglesworth A tomato is a tomato is a tomato, except when chemical analysis shows it to contain high levels of the heart-healthy antioxidant tetra-cis-lycopene. Then it becomes an overnight sensation. Tetra-cis-lycopene is a highly bioavailable form of lycopene. … Continue reading We ask the experts: Which tomatoes are the healthiest to grow?