WiBo Health
Flax Seeds

Flax Seeds

Lijnzaad
Nuts & seeds

The richest plant source of lignans, antioxidants and plant omega-3; its net carbohydrate is almost zero, making it a golden food for hormonal balance and steady insulin.

Glycemic index

—
Not applicable

Glycemic load

—
Not applicable

Calories

534
kcal per 100 g

Protein

18
g per 100 g

💡 Smart Nutritional Guidance

Consumption advice

Excellent for supporting heart and blood-vessel health, healthy cholesterol levels and steady morning blood sugar; sprinkle a teaspoon over a salad or vegetable soup.

Best preparation methods

Golden rule: grind flaxseed just before eating it, because whole seeds pass through the gut undigested; keep ground flax in the fridge to stop its delicate oils from oxidising.

Important Nutritional Note

This food does not need a glycemic index, but the foods eaten with it determine the meal’s effect on blood sugar.

Nutrition facts

NutrientPer 100 gPer typical portion (10 g)
Calories534 kcal53.4 kcal
Protein18 g1.8 g
Carbohydrate29 g2.9 g
Available carbohydrate2 g0.2 g
Fat42 g4.2 g
Dietary fibre27 g2.7 g

The typical portion is approximate, for comparison purposes.

Comparison & smarter alternatives

It has 534 kcal per 100 g, ranking 2 of 11 in Nuts & seeds (lowest first).

Related foods from the same family:

Frequently asked questions

Are Flax Seeds good for weight loss?

Flax Seeds provide 534 kcal per 100 g, so it is high in calories and fits a weight-loss plan only in small, measured amounts; a 10 g portion gives 53 kcal.

How do Flax Seeds affect blood sugar?

Flax Seeds contain only 2 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 Flax Seeds?

A typical 10 g portion of Flax Seeds provides about 53 kcal, 1.8 g protein, 2.9 g carbohydrate, 4.2 g fat and 2.7 g fibre.

📚 Scientific sources: International Tables of Glycemic Index (Atkinson et al., Am J Clin Nutr 2021) • Harvard Health Publishing. Methodology & details →

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.