Celeriac (Celery Root)
The traditional autumn root of European and Dutch cooking (knolselderij): the round root of the celery plant with a rough skin and ivory flesh and a warm, gentle celery flavour. It has far less carbohydrate than potato and a low-to-moderate glycemic index (≈35) with smooth digestion.
Glycemic index
Glycemic load
Calories
Protein
💡 Smart Nutritional Guidance
Consumption advice
A brilliant low-starch alternative to mashed potato: boil and mash it with a little olive oil and garlic alongside grilled fish or meat to enjoy half the calories and starch.
Best preparation methods
Peel off the thick outer skin thoroughly, cut it into cubes and roast it in the oven with rosemary and olive oil until golden, or add it to winter vegetable soups for a rich, creamy texture.
Important Nutritional Note
Celeriac is rich in fibre, vitamins K and C and phosphorus; a refined, excellent choice for people with diabetes and insulin resistance as a warming alternative to starchy roots.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (150 g) |
|---|---|---|
| Calories | 42 kcal | 63 kcal |
| Protein | 1.5 g | 2.2 g |
| Carbohydrate | 9.2 g | 13.8 g |
| Available carbohydrate | 7.4 g | 11.1 g |
| Fat | 0.3 g | 0.4 g |
| Dietary fibre | 1.8 g | 2.7 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
Among the foods in Vegetables with a glycemic index (10), it ranks 6 (lowest first).
Smart alternatives from the same family:
Frequently asked questions
Is Celeriac (Celery Root) good for weight loss?
Yes. Celeriac (Celery Root) is very low in calories (42 kcal per 100 g), so you can eat a generous amount to add volume and fullness to a meal without many calories.
How does Celeriac (Celery Root) affect blood sugar?
Its glycemic index is 35 (Low), a clinically reviewed estimate rather than a laboratory measurement. A typical 150 g portion has a glycemic load of 3.9 (Low), so the effect of this portion on blood sugar is limited.
What is the nutritional value of a typical portion of Celeriac (Celery Root)?
A typical 150 g portion of Celeriac (Celery Root) provides about 63 kcal, 2.2 g protein, 13.8 g carbohydrate, 0.4 g fat and 2.7 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.