The benefits of eating a tomato a day: 1, has a good antioxidant, anti-aging effect, because tomatoes are rich in vitamin C, and the role of vitamin C in scavenging free radicals is very obvious, eat a tomato a day has a good antioxidant, anti-aging benefits. 2, can improve appetite, promote digestion, because tomatoes are rich in organic acids, can promote the secretion of digestive juices. For people with poor appetite, eating a tomato a day has good appetite and digestive benefits. 3, can supplement the body with rich potassium, and thus the benefits in controlling the increase in blood pressure is also very obvious.