Nuts & Seeds: Almonds Chia Seeds Pumpkin Seeds Apple All →

Catalog › Nuts & Seeds › Flax Seeds

Flax Seeds: Fiber Breakdown, Calories, and Daily Value

Water-soluble mucilage gently coats the digestive tract, while omega-3 ALA and lignans are best absorbed from ground flaxseed. Full fiber profile and metabolic effects.

🌾

🌿 1 tablespoon (~12 g / 0.4 oz)

Nuts & Seeds

🌿 Dietary Fiber

1 tablespoon (~12 g / 0.4 oz) 3.28 g

Soluble

0.9 g (27%)

Insoluble

2.4 g (73%)

Per 100g: 27.3 g

🎯 Daily Norm

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

🔥 Calories & Energy

1 tablespoon (~12 g / 0.4 oz) 64.08 kcal

Per 100g: 534.0 kcal

A 12 g serving gives about 64 kcal. Flax is calorie-dense per 100 g because of healthy fats, but its fiber and fat can help you stay satisfied.

⚡ Glycemic Index (GI)

1 tablespoon (~12 g / 0.4 oz) 15 (Very Low)

Per 100g: 15

With a GI of 15 and nearly zero glycemic load, flaxseed itself barely raises blood sugar. Its gel-forming fiber can also help soften the blood-sugar response from carbs in the same meal.

💡 Popular Flax Seed Varieties and Forms

Fiber content is similar, but form and storage change the benefits a lot

🌿 Brown Flax: traditional variety with a nutty taste and about the same fiber level.

🌱 Golden Flax: slightly milder in flavor, but similar to brown flax for fiber and omega-3 ALA.

🌾 Ground Flax: best option for absorbing omega-3 ALA and lignans; store in the fridge and use it fresh.

✨ Choose fresh flax: ground for nutrition, whole for a soothing mucilage infusion, and store it properly!

⚡ Quick Fiber Calculator (Flax Seeds)

One click, no registration

1 port

🟢 You ate 3.28 g of fiber — that is 11% of your daily norm (30 g)!

How Fiber and Nutrients in Flax Seeds Support Daily Wellness

How Flax Seeds Help with Weight Management

Soluble fiber forms a gel, slows stomach emptying, and helps you stay full longer.

Satiety Score

★ ★ ★ ★ ☆ 4.2 / 5.0

Good fullness from gel-forming fiber

Caloric Density 534 kcal

High calorie density per 100 g

Effects on Digestion and Regularity

Ground flax adds fiber that supports regular stools, while mucilage from whole seeds can gently coat the stomach and esophagus.

Stomach «Softness» Scale

Irritating 8 / 10 (usually comfortable when you drink enough water) Ideal

GI Stimulation Score 🌿 Natural digestive rhythm Gentle transit without harsh irritation of the gut lining

Microbiome Fermentation and a Glycemic Shield

🩸 Feeding Gut Bacteria
Useful bacteria in the colon ferment part of the soluble fiber into short-chain fatty acids.

🛡️ Supporting the Gut
Butyrate helps fuel colon cells and supports the gut's protective barrier.

🌿 Glycemic Shield
Flax has almost no digestible sugars, and its gel can slow carb absorption from the whole meal.

Prebiotic value

Fiber 3.3 g Mucilage & prebiotics

Feeds friendly bacteria

Glycemic buffer 🛡️ Nearly zero glycemic load per serving No risk of sharp sugar drop

Culinary Physics

Raw vs Thermal Processing

How fiber properties and bioavailability change in Flax Seeds

🥗 Raw form

Whole Seeds (for mucilage, not omega-3)

Dense Outer Coat: Whole seeds are mostly not digested: they can pass through without releasing oils and lignans.
Mucilage in Hot Water: When steeped, the outer coat swells and releases water-soluble mucilage.
Gentle Mechanical Effect: Whole seeds may help stool bulk, but grinding is better for nutrition.

🔥 Thermal processing

Ground Seeds (for omega-3 and lignans)

Shell Broken Open: Grinding opens access to omega-3 ALA, lignans, and some fiber.
Fast Oxidation: Ground flax goes rancid faster in light and air, so store it in an opaque jar in the fridge.
Use Minimal Heat: Add it to finished dishes; high heat may damage the healthy fats.

Culinary Constructor & Alternatives

Best Food Combinations with Flax Seeds

Ready-made balanced combinations from the catalog

🥗 Fiber Plate Constructor

Quick Breakfast

Freshly Ground Flaxseed in Oatmeal

🌾

Flax Seeds Ingredient

+3.28 g

🥣

Rolled Oats Ingredient

+5.3 g

🍓

Strawberries Ingredient

+3.0 g

🟢 Total in plate: 11.6 g of fiber (39% of norm)

💡 Quick prep: Grind flax seeds in a coffee grinder just before eating; whole seeds can pass through undigested, so you may miss the omega-3s and lignans.

🏆 Similar High-Fiber Options

Compare the amount of fiber in other products:

🌰 Almonds 12.5 g / 100g 🌱 Chia Seeds 34.4 g / 100g 🎃 Pumpkin Seeds 6.5 g / 100g 🍏 Apple 2.4 g / 100g