Spring Onions (Scallions)
Fresh green stems with a sweet, mildly sharp onion flavour: a companion to everyday meals, grills and Asian dishes. Its net carbohydrate per serving is tiny, so a glycemic index does not apply, and it contains organic sulphur compounds and the antioxidant quercetin.
Glycemic index
Glycemic load
Calories
Protein
💡 Smart Nutritional Guidance
Consumption advice
Eat it raw with lunch, or slice it finely over soups, fried eggs and fish; it wakes up your taste buds and helps curb an excessive appetite.
Best preparation methods
Use the white and green parts together: the white part carries the aromatic onion flavour, while the green part is full of chlorophyll and heat-sensitive vitamin K.
Important Nutritional Note
The quercetin and allicin compounds in spring onions support flexible blood vessels and a comfortable metabolism; a wonderful healthy flavouring with no carbohydrate burden.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (15 g) |
|---|---|---|
| Calories | 32 kcal | 4.8 kcal |
| Protein | 1.8 g | 0.3 g |
| Carbohydrate | 7.3 g | 1.1 g |
| Available carbohydrate | 4.7 g | 0.7 g |
| Fat | 0.2 g | 0 g |
| Dietary fibre | 2.6 g | 0.4 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
It has 32 kcal per 100 g, ranking 30 of 48 in Vegetables (lowest first).
Related foods from the same family:
Frequently asked questions
Is Spring Onions (Scallions) good for weight loss?
Yes. Spring Onions (Scallions) is very low in calories (32 kcal per 100 g), so you can eat a generous amount to add volume and fullness to a meal without many calories.
How does Spring Onions (Scallions) affect blood sugar?
Spring Onions (Scallions) contains only 4.7 g of available carbohydrate per 100 g, so the glycemic index does not apply and its direct effect on blood sugar is minimal. The meal’s effect depends on what you eat with it, such as bread, rice or sweetened sauces.
What is the nutritional value of a typical portion of Spring Onions (Scallions)?
A typical 15 g portion of Spring Onions (Scallions) provides about 5 kcal, 0.3 g protein, 1.1 g carbohydrate, 0 g fat and 0.4 g fibre.
Reviewed by the WiBo Health medical team · Last reviewed 13 October 2026
Disclaimer: This guidance is for nutritional lifestyle orientation and does not constitute a diagnostic medical device under EU Regulation MDR 2017/745.