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Popcorn: Fiber Breakdown, Calories, and Daily Value

Air-popped popcorn is a whole grain with plenty of fiber and antioxidants, but it has a high GI and a few gut-friendly caveats.

🍿

🌿 1 serving (~28 g / 1 oz)

Grains & Cereals

🌿 Dietary Fiber

1 serving (~28 g / 1 oz) 4.1 g

Soluble

0.5 g (12%)

Insoluble

3.6 g (88%)

Per 100g: 14.5 g

🎯 Daily Norm

% of DV of 30g / day (1 serving)

🔥 Calories & Energy

1 serving (~28 g / 1 oz) 108.0 kcal

Per 100g: 387.0 kcal

Air-popped popcorn is light by volume, but not calorie-free: 108 kcal per 28 g serving. Butter, caramel, and cheese can add calories quickly.

⚡ Glycemic Index (GI)

1 serving (~28 g / 1 oz) 70 (High)

Per 100g: 70

GI 70: popping turns starch into a faster-digesting form. A normal serving still has a moderate glycemic load, so portion size and toppings matter.

💡 Popular Popcorn Styles

Fiber stays high, while calories and comfort depend on how it is made

🌬️ Air-popped: No oil or sugar: the cleanest option for fiber and calorie control.

📺 Plain microwave: Usually corn-based, but check the label: added oils and flavorings can raise fat.

🍿 Movie-theater / loaded: Heavy butter, salt, caramel, or cheese toppings sharply increase calories and can feel heavy on delicate digestion.

✨ For the best payoff, choose air-popped popcorn with no add-ons and keep to a normal serving of about 28 g (3 cups).

⚡ Quick Fiber Calculator (Popcorn)

One click, no registration

1 port

🟢 You ate 4.1 g of fiber — that is 14% of your daily norm (30 g)!

How Fiber and Nutrients in Popcorn Support Daily Wellness

How popcorn can support weight-friendly snacking

The big volume and crunch help you feel full longer, and fiber slows digestion a bit. Because the GI is high, keep portions in check and pair it with protein or healthy fat.

Satiety Score

★ ★ ★ ★ ☆ 4.0 / 5.0

Good fullness from volume and fiber

Caloric Density 108 kcal

Moderate calories per serving

How popcorn affects digestion and gut comfort

The insoluble hull adds bulk to stool and can support regularity. Plain air-popped popcorn is usually comfortable (pH about 6.0–6.5), but the sharp fibrous pericarp hulls can mechanically scratch sensitive gut linings and cause irritation.

Stomach «Softness» Scale

Irritating 7 / 10 (usually comfortable, with caveats) Ideal

GI Stimulation Score 🌿 Bulk and mechanics Supports transit, but insoluble husk flakes can feel scratchy on sensitive digestive tracts.

Microbiome support and glycemic buffering

🩸 Microbiome fuel
The soluble fiber portion reaches the large intestine and feeds helpful gut bacteria.

🛡️ Short-chain fatty acids
Microbes turn fiber into butyrate and other short-chain fatty acids that support the gut barrier.

🌿 Glycemic buffer
Fiber and a modest serving soften the sugar spike, but popcorn still has a high GI from popped starch—so avoid overeating.

Prebiotic value

Fiber 4.1 g Low FODMAP up to 56 g (~2 oz)

Feeds friendly bacteria

Glycemic buffer 🛡️ Moderate load at a normal serving No risk of sharp sugar drop

Culinary Physics

Raw vs Thermal Processing

How fiber properties and bioavailability change in Popcorn

🥗 Raw form

Plain air-popped popcorn

Whole-grain fiber: The hull and endosperm keep insoluble fiber intact, adding bulk and supporting digestion.
Antioxidants: The thin outer hull contains ferulic acid and polyphenols—antioxidants that add to the benefits of whole grain.
Slow chewing: The crunch and volume can help you eat more slowly if you take your time and don't overdo it.

🔥 Thermal processing

With butter, salt, or caramel

Starch becomes fast: When kernels pop, starch softens and digests quickly—which is why the GI is high.
Add-ons change everything: Butter, caramel, and cheese can sharply increase calories, fat, and sugar.
Gut triggers: High-fat, heavily buttered popcorn empties slowly from the stomach, which can cause upper abdominal fullness; coarse hull flakes may also irritate delicate digestive linings.

Culinary Constructor & Alternatives

Best Food Combinations with Popcorn

Ready-made balanced combinations from the catalog

🥗 Fiber Plate Constructor

Smart Snack

Whole-Grain Crunchy Popcorn with Pumpkin Seeds

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Popcorn Ingredient

+4.1 g

🎃

Pumpkin Seeds Ingredient

+2.0 g

🟢 Total in plate: 6.1 g of fiber (20% of norm)

💡 Quick prep: Make popcorn with hot air, skip the sugar, and toss it with a small handful of pumpkin seeds for a crunchy snack with 6+ g of fiber.

🏆 Similar High-Fiber Options

Compare the amount of fiber in other products:

🥣 Buckwheat (Cooked Groats) 2.7 g / 100g 🌾 Bulgur 4.5 g / 100g 🌽 Corn 2.7 g / 100g 🥣 Oatmeal 2.1 g / 100g