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Oat Bran: Fiber Breakdown, Calories, and Daily Value

Quality dietary fiber and beta-glucan for fullness, digestive comfort, and cholesterol support.

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🌿 1 serving (~20 g / 0.7 oz)

Bread & Bakery

🌿 Dietary Fiber

1 serving (~20 g / 0.7 oz) 3.08 g

Soluble

1.6 g (50%)

Insoluble

1.5 g (50%)

Per 100g: 15.4 g

🎯 Daily Norm

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

🔥 Calories & Energy

1 serving (~20 g / 0.7 oz) 49.2 kcal

Per 100g: 246.0 kcal

A 20 g serving has about 49 calories, and 100 g of dry oat bran has 246 calories.

⚡ Glycemic Index (GI)

1 serving (~20 g / 0.7 oz) 52 (Medium)

Per 100g: 52

The GI of cooked oat bran is about 52, but a small serving creates a low glycemic load (~5) thanks to viscous beta-glucan.

💡 Popular forms and ways to enjoy oat bran

Processing changes texture and cooking speed, while fiber per 100 g of dry product is roughly similar

🌿 Dry oat bran: Classic form: 15.4 g fiber per 100 g dry; needs soaking or cooking.

🌱 Soaked in hot water: Soft, creamy porridge: beta-glucan swells and helps coat the digestive tract.

🌾 Cooked in water or milk: Even softer and easier on sensitive digestion, though the GI may rise slightly.

✨ Choose fresh oat bran without bitterness, and soak or cook it before eating.

⚡ Quick Fiber Calculator (Oat Bran)

One click, no registration

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🟢 You ate 3.08 g of fiber — that is 10% of your daily norm (30 g)!

How Fiber and Nutrients in Oat Bran Support Daily Wellness

How oat bran helps with weight management

Viscous beta-glucan forms a gel, slows stomach emptying, and helps you feel full longer.

Satiety Score

★ ★ ★ ★ ☆ 4.5 / 5.0

Good fullness from viscous fiber

Caloric Density 49 calories per 20 g

Moderate calorie density

Effects on digestion and comfort

Insoluble fiber supports regularity, while soaked oat bran becomes soft and coating. Dry oat bran without enough liquid can cause discomfort.

Stomach «Softness» Scale

Irritating 7 / 10 (comfortable when soaked and taken with enough water) Ideal

GI Stimulation Score 🌿 Smooth transit without irritation When prepared properly, oat bran supports comfortable digestion and does not scratch the gut lining.

How beta-glucan supports blood sugar, cholesterol, and gut bacteria

🩸 Microbiome fuel
Good bacteria in the colon feed on soluble fiber and beta-glucan.

🛡️ Butyrate production
They make short-chain fatty acids, including butyrate, which support colon cells and the gut barrier.

🌿 Blood sugar buffer
Beta-glucan gel smooths the post-meal sugar spike, and about 3 g of beta-glucan per day as part of your diet may help lower LDL cholesterol.

Prebiotic value

3.1 g fiber per 20 g Beta-glucan

Feeds friendly bacteria

Glycemic buffer 🛡️ Beta-glucan gel for steadier blood sugar No risk of sharp sugar drop

Culinary Physics

Raw vs Thermal Processing

How fiber properties and bioavailability change in Oat Bran

🥗 Raw form

Dry oat bran (without preparation)

Dry texture: Dry oat bran forms little gel and can feel gritty, so don't eat handfuls without liquid.
Nutrition profile: Per 100 g dry oat bran: about 17 g protein, 7 g fat, 66 g carbs, plus magnesium, iron, and B vitamins.
Risk without water: Beta-glucan binds a lot of water; without enough fluid, it may cause discomfort or digestive issues.

🔥 Thermal processing

After soaking or cooking

Beta-glucan swelling: Hot water or cooking turns nearly neutral oat bran (pH about 6.2–6.6) into a soft, creamy porridge that coats the esophagus and stomach.
Softness and nutrient access: Heat softens the texture and can make minerals easier to absorb.
For heartburn or sensitive digestion: Well-cooked oat bran may be gentle, but avoid dry particles if you have sensitive linings or erosions.

Culinary Constructor & Alternatives

Best Food Combinations with Oat Bran

Ready-made balanced combinations from the catalog

🥗 Fiber Plate Constructor

Quick Breakfast

Oat Bran Porridge with Apple and Almonds

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Oat Bran Ingredient

+3.08 g

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Apple Ingredient

+4.32 g

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Almonds Ingredient

+3.5 g

🟢 Total in plate: 10.9 g of fiber (36% of norm)

💡 Quick prep: Oat bran cooks in just 2–3 minutes, may help lower LDL cholesterol, and creates a velvety porridge texture.

🏆 Similar High-Fiber Options

Compare the amount of fiber in other products:

💊 Psyllium 71.0 g / 100g 🌿 Siberian Fiber 42.0 g / 100g 🌾 Wheat Fiber 42.8 g / 100g 🌰 Almonds 12.5 g / 100g