Tomatoes and lettuce are good sources of nutrients such as vitamin A and dietary fiber. Vitamin A contributes to the health of your eyes, teeth, bones and skin. According to the Harvard School of Public Health, eating plenty of dietary fiber can help keep your digestion healthy and reduce your risk of digestion-related health conditions, such as constipation.
Iceberg Lettuce
One cup of shredded iceberg lettuce contains 10.1 calories. It only contains 0.1 g of total fat, which is about 0.2 percent of your recommended daily fat intake. It contains no cholesterol; 7.2 mg of sodium, or about 0.3 percent of your daily recommended intake; 2.1 g of carbohydrates; 0.9 g of dietary fiber; and 0.6 g of protein. It also contains 361.4 IU of vitamin A, 13 mg of calcium and 2 mg of vitamin C.
Romaine Lettuce
One cup of shredded Romaine lettuce contains 8 calories, with 0.2 g of total fat. The lettuce variety contains no cholesterol or saturated fat, and only 3.8 mg of sodium. The carb content is 1.5 g, the dietary fiber content is 1 g, and the sugars are 0.6 g. A cup of Romaine lettuce also contains 2,729.3 IU of vitamin A, 15.5 mg of calcium and 11.3 mg of vitamin C.
Full-Size Tomatoes
One cup of chopped full-size red tomatoes contains 32 calories, with 0.36 g of total fat. It contains no cholesterol, 7 g of carbohydrates, 2.2 g of dietary fiber, 9 mg of sodium, and 4.73 g of sugars. The cup of chopped tomato also contains 1,499 IU of vitamin A, 18 mg of calcium and 24.7 mg of vitamin C.
Cherry Tomatoes
One cup of whole cherry tomatoes contains 27 calories and 0.3 g of total fat, with virtually no saturated fat or cholesterol. The carbohydrates total 5.8 g, the dietary fiber totals 1.8 g, sodium totals 7 mg and sugars total 3.92 g. Each one-cup serving of cherry tomatoes contains 1,241 IU of vitamin A, 15 mg of calcium and 20.4 mg of vitamin C.
References
- CalorieLab: Lettuce, Iceberg (Includes Crisphead Types), Raw
- CalorieLab: Lettuce, Romaine, Raw
- USDA National Nutrient Database: Tomatoes, Red, Ripe, Raw, Year Round Average -- 1 Cup, Chopped or Sliced
- USDA National Nutrient Database: Tomatoes, Red, Ripe, Raw, Year Round Average -- 1 Cup Cherry Tomatoes
- University of Maryland Medical Center; "Vitamin A -- All Information"; Dr. Linda Vorvick; March 2009
- Harvard School of Public Health: Fiber
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