Tomato — 18 kcal

18
Calories
per 100 g
Protein
0.9 g
Fat
0.2 g
Carbohydrates
3.9 g

Technically a fruit, the tomato is the richest common dietary source of lycopene, especially when cooked with a small amount of fat. It is a foundation ingredient in Mediterranean and Latin cuisines.

Protein 17% Fat 9% Carbohydrates 74%

Nutrition Facts

Nutrient Per 100 g Per serving
Calories18 kcal22 kcal
Protein0.9 g1.1 g
Fat0.2 g0.2 g
Carbohydrates3.9 g4.8 g
Fiber1.2 g1.5 g
Sugar2.6 g3.2 g
Water94.5 g116.2 g
Vitamins & Minerals
Vitamin C13.7 mg15%
Vitamin A0.042 mg5%
Vitamin K7.9 µg7%
Potassium237 mg5%
Manganese0.114 mg5%
Copper0.059 mg7%
Source: USDA FoodData Central

Serving Calculator

grams
Per 100 g
18
kcal
0.9
Protein
0.2
Fat
3.9
Carbohydrates

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Does cooking Tomato reduce its nutritional value?
Cooking can lower heat-sensitive vitamins like vitamin C, but it also increases the bioavailability of other nutrients such as lycopene and beta-carotene. Steaming or microwaving Tomato preserves the most nutrients. The calorie count (18 kcal/100g) stays essentially the same.
How much fiber does Tomato have?
Tomato provides 1.2g of dietary fiber per 100g. Fiber supports digestive health, helps regulate blood sugar, and contributes to a feeling of fullness — all for just 18 kcal per 100g.
What antioxidants are found in Tomato?
Vegetables like Tomato contain a range of antioxidants including polyphenols, carotenoids, and flavonoids. These compounds help protect cells from oxidative stress. The specific antioxidant profile depends on the color and variety of the vegetable.
Is it better to eat Tomato raw or cooked?
Both raw and cooked Tomato have benefits. Raw preserves vitamin C and certain enzymes, while cooking breaks down cell walls and can increase mineral absorption. For the best of both worlds, try eating Tomato in a variety of preparations.
How should I store Tomato to keep it fresh?
Store Tomato in the refrigerator crisper drawer, unwashed, in a loosely sealed bag to maintain humidity without trapping excess moisture. Most vegetables stay fresh for 5–7 days this way. Avoid cutting until you are ready to use it, as cut surfaces lose nutrients faster.
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