Tomato: Fiber Breakdown, Calories, and Daily Value
A juicy, low-calorie vegetable that fills you up with water and plant fiber, making it easier to meet your daily fiber goal.
Sweetness varies by variety and natural sugar content, but fiber is pretty similar across types (~1.8 g per medium tomato / 1.2 g per 100 g)
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How Fiber and Nutrients in Tomato Support Daily Wellness
Volume Eating Principle
Tomatoes are about 94% water and contain a plant-fiber structure. That means you get a large, satisfying portion for very few calories (just 18 kcal per 100 g). The volume helps your stomach signal fullness earlier, which can reduce overeating.
Digestive movement and cautions
Most tomato fiber (70–85%) is insoluble, concentrated in the skin and seeds. It acts like a gentle broom for digestion, supporting regular bowel movements.
Steady energy and cell protection
🩸 No sugar spikes
With minimal carbs and a low glycemic index (GI 15–30), tomatoes are unlikely to cause sharp glucose or insulin spikes. Energy stays steadier, without the sleepy post-meal crash.
🛡️ Antioxidant support
Tomatoes are rich in lycopene and natural flavonoids, which help fight oxidative stress and support a healthy gut barrier.
🌿 Microbiome support
Tomato fiber gently feeds beneficial gut bacteria as part of a varied, plant-rich diet.
Raw vs Thermal Processing
How fiber properties and bioavailability change in Tomato
Fresh tomato
- Maximum vitamin C: Raw tomatoes keep the most heat-sensitive vitamin C (about 15–17 mg per 100 g).
- Chewing mechanics: The crisp, fresh texture encourages chewing and saliva, helping natural fullness signals kick in.
- Natural tang: Organic acids taste brighter and can stimulate appetite.
Baked / stewed tomato
- Lycopene absorption can rise 3–4 times: Heat breaks down plant cell walls, making lycopene easier for your body to absorb.
- Easier on digestion: Cooking softens tough fiber and reduces the irritation from acids.
- Vitamin C loss: Cooking can destroy about 20% to 40% of vitamin C.
Best Food Combinations with Tomato
Ready-made balanced combinations from the catalog
🥗 Fiber Plate Constructor
Power Lunch🏆 Similar High-Fiber Options
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