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Green Onion: Fiber Breakdown, Calories, and Daily Value

Green leaves and white bases play different roles: fiber, quercetin, sulfur compounds, and FODMAP rules.

🌱

🌿 1 small bunch (~40 g / 1.4 oz)

Greens

🌿 Dietary Fiber

1 small bunch (~40 g / 1.4 oz) 1.04 g

Soluble

0.4 g (40%)

Insoluble

0.6 g (60%)

Per 100g: 2.6 g

🎯 Daily Norm

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

🔥 Calories & Energy

1 small bunch (~40 g / 1.4 oz) 12.8 kcal

Per 100g: 32.0 kcal

Almost calorie-free: 32 calories per 100 g — add it for volume and flavor without crowding your plate.

⚡ Glycemic Index (GI)

1 small bunch (~40 g / 1.4 oz) 15 (Low; GL ~0.2)

Per 100g: 15

GI 15 and the bunch's glycemic load is about 0.2: green onion barely moves blood sugar and won't cause an energy spike.

💡 Green Leaves, White Base, and Young Onions

Fiber is similar, but for digestion the part of the plant matters more than the variety

🌿 Green Leaves: Usually easier to tolerate for sensitive stomachs: lower in fermentable fructans and fits a low-FODMAP meal.

🧅 White Bulb: higher in fructans; even 15 g may trigger gas, cramps, or loose stools in sensitive people.

🌱 Young Fresh Harvest: tender and juicy, but the rule still applies: leaves are safer, white part with caution.

✨ If you are prone to bloating or gas, choose only the green leaves (up to 50-70 g) and skip the white base.

⚡ Quick Fiber Calculator (Green Onion)

One click, no registration

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🟢 You ate 1.04 g of fiber — that is 3% of your daily norm (30 g)!

How Fiber and Nutrients in Green Onion Support Daily Wellness

How Green Onion Helps With Weight Management

Low calories, plant volume, and cell walls add light fullness, while the low glycemic effect helps avoid sharp hunger swings.

Satiety Score

★ ★ ★ ☆ ☆ 3.2 / 5.0

Moderate fullness from volume and low calorie density

Caloric Density 32 calories

Very low calorie density

Effect on Stomach, Esophagus, and Intestines

Green onion is mostly neutral on its own (about pH 5.5-6.0), but raw onion can trigger heartburn and reflux: sulfur compounds may relax the valve between your stomach and esophagus. The white part contains concentrated fructans that can cause gas in individuals prone to bloating.

Stomach «Softness» Scale

Irritating 3 / 10 (Raw product often triggers heartburn and reflux) Ideal

GI Stimulation Score ⚠️ Gut response depends on the part and how it is cooked Raw greens can irritate the esophagus, while the white part can irritate the gut; warming reduces heartburn triggers.

Microbiome, Fructans, and Blood Sugar Control

🩸 Feeding the Microbiome
Soluble carbs, especially fructans in the white part, can feed helpful bacteria, though for delicate digestion they may also cause gas and discomfort.

🛡️ Butyrate Production
Short-chain fatty acids, including butyrate, feed cells in the colon and support the gut barrier.

🌿 Blood Sugar Buffer
Green onion is low in carbs, and its cell walls and soluble fiber gently slow digestion, helping keep blood sugar steady.

Prebiotic value

Fiber 1.0 g Fructans in white part

Feeds friendly bacteria

Glycemic buffer 🛡️ Barely affects blood sugar No risk of sharp sugar drop

Culinary Physics

Raw vs Thermal Processing

How fiber properties and bioavailability change in Green Onion

🥗 Raw form

Raw Green Onion

Whole Plant Structure: Intact plant cells take more chewing and add volume with very few calories.
Quercetin and Antioxidants: Fresh green leaves keep antioxidants and sulfur compounds intact.
Fructans in the White Part: The white bulb contains fructans that ferment quickly and may cause bloating in people sensitive to fermentable carbs.

🔥 Thermal processing

After Cooking

Less Pungent Sulfur: Warming drives off some volatile sulfur compounds, so it may be less likely to trigger reflux.
Gentler on the Stomach: Softer cell walls and less irritation make it easier on sensitive stomachs.
FODMAP Effect Remains: Cooking does not remove fructans from the white part; for calm digestion, green leaves are still the safer choice.

Culinary Constructor & Alternatives

Best Food Combinations with Green Onion

Ready-made balanced combinations from the catalog

🥗 Fiber Plate Constructor

Smart Snack

Fresh Green Onion and Cucumber Salad

🌱

Green Onion Ingredient

+1.04 g

🥒

Cucumber Ingredient

+0.6 g

🌿

Dill Ingredient

+0.42 g

🟢 Total in plate: 2.1 g of fiber (7% of norm)

💡 Quick prep: Add green onion at the end to keep its crisp flavor and vitamin C; for a gentler snack, use only the green leaves and skip the white part.

🏆 Similar High-Fiber Options

Compare the amount of fiber in other products:

🥗 Arugula 1.6 g / 100g 🌿 Dill 2.1 g / 100g 🥬 Iceberg Lettuce 1.2 g / 100g 🥬 Leaf Lettuce 1.3 g / 100g