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Tomatoes Calories
Fresh, juicy, low-calorie, source of vitamin C and lycopene
CALORIES
GI
POTASSIUM
FIBER
Tomatoes Nutrition Facts
Selected: 100 g
18
KCAL / 100G
Carbs
3.9g
· 74%
Protein
0.9g
· 17%
Fat
0.2g
· 9%
Fiber
1.2g
Tomatoes Vitamins & Minerals
Vitamins
Vitamin C
13.7mg · 15% DV
Vitamin K
7.9µg · 7% DV
Vitamin A
42µg · 5% DV
B6
0.08mg · 5% DV
Minerals
Potassium ⭐
237mg · 7% DV
Magnesium
11mg · 3% DV
Phosphorus
24mg · 3% DV
Calcium
10mg · 1% DV
Tomatoes Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Tomatoes Processed?
NOVA 1
Unprocessed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Tomatoes Contain Allergens?
No known major allergens
Which Diets Is Tomatoes Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Tomatoes Fat Profile
SATURATED
0.03g
MONOUNSATURATED
0.03g
POLYUNSATURATED
0.09g
Omega 6:3 ratio 9:1
Above the ideal 4:1 (9:1).
Foods Similar to Tomatoes
Tomatoes — Frequently Asked Questions
Should tomatoes be stored in the fridge or at room temperature?
Unripe tomatoes usually do best at room temperature so they can finish ripening. Fully ripe tomatoes can be refrigerated for a short time, but cold storage may dull their flavor and make the texture mealy.
How long do cut tomatoes keep?
Cut tomatoes should usually be eaten within 1-2 days if kept in a sealed container in the fridge. Over time they release more liquid, soften, and lose flavor.
Can tomatoes be frozen?
Yes, tomatoes freeze well for cooking. After thawing they become much softer, so they are better for soups, sauces, and stews than for salads.
Does cooking reduce the nutritional value of tomatoes?
Cooking can lower some heat-sensitive vitamins. On the other hand, it can make lycopene easier for the body to use, so cooked tomatoes still have clear nutritional value.
Why are tomatoes often paired with olive oil?
Tomatoes contain lycopene, a fat-soluble compound. Eating them with olive oil or another fat source can help improve its absorption.
Can tomatoes upset your stomach on an empty stomach?
For some people, their acidity can trigger heartburn, reflux, or stomach discomfort, especially when eaten alone. If that happens, having them with other foods may be easier to tolerate.
Who should be careful with tomatoes?
People with reflux, gastritis, or mouth irritation may find tomatoes aggravating. Those with advanced kidney disease may also need individualized advice about potassium intake from their clinician.
Are tomato paste and tomato sauce basically the same as fresh tomatoes?
They come from the same food, but they are not identical in use or composition. Paste and sauce are more concentrated, and packaged versions may include added salt, sugar, or oil, so checking the label matters.
Are tomatoes better before or after a workout?
Tomatoes are not usually a full pre- or post-workout food on their own. They work better as a light, hydrating addition to a meal or snack that also includes protein and other energy sources.
Do you need to remove tomato seeds?
Usually not; the seeded part is edible. People mainly remove it to reduce excess moisture or to control texture in salads, sandwiches, and sauces.
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Nutrition data compiled from USDA FoodData Central and scientific sources.