Brown flax seeds: calories and nutrition facts

Brown flax seeds has 533 kcal per 100 g. One serving, 1 Tablespoon (15 g), has 80 kcal.

Calories: 533 kcal
Protein: 18 g
Carbohydrates: 3.6 g
Fat: 42.2 g

Per 100 g

Brown flax seeds: how many calories?

Brown flax seeds has 533 kcal per 100 g, with 18 g protein, 3.6 g carbs and 42.2 g fat. A 15 g serving (1 Tablespoon) has 80 kcal. That is more than the average for Fruits & Veggies (109 kcal per 100 g). Most of its calories come from fat.

Where the calories come from

Protein15%
Carbohydrates3%
Fat81%

Calculate a portion

Amountg

Calories: 80 kcal
Protein: 2.7 g
Carbohydrates: 0.5 g
Fat: 6.3 g

Nutrition facts

Nutrient	Per 100 g	Per serving (15 g)
Calories	533 kcal	80 kcal
Fat	42.2 g	6.3 g
of which saturated fat	4.6 g	0.7 g
Carbohydrates	3.6 g	0.5 g
of which sugars	1.4 g	0.2 g
Fiber	26.9 g	4 g
Protein	18 g	2.7 g
Sodium	38 mg	6 mg
Water	5.8 g	0.9 g
Vitamin C	0 mg	0 mg
Calcium	210 mg	32 mg
Iron	5.7 mg	0.9 mg
Potassium	750 mg	113 mg
Magnesium	300 mg	45 mg

Source: Ciqual food composition table (ANSES, France). Data updated on 2 September 2026.

Share of reference intakes

Per 100 g, compared with an adult's reference intakes (2,000 kcal a day, Regulation (EU) No 1169/2011).

Nutrient	Of reference intake
Calories(533 kcal)	27%
Fat(42.2 g)	60%
of which saturated fat(4.6 g)	23%
Carbohydrates(3.6 g)	1%
of which sugars(1.4 g)	2%
Protein(18 g)	36%
Salt(0.1 g)	2%

What the EU thresholds say

Nutrition claim thresholds from Regulation (EC) No 1924/2006, per 100 g.

Source of protein (at least 12% of calories)
High fibre (at least 6 g)
Low sugars (5 g or less)
Low sodium (120 mg or less)

Brown flax seeds: frequently asked questions

Brown flax seeds: how many calories per serving?

A 15 g serving (1 Tablespoon) has 80 kcal.

Brown flax seeds: how much protein?

Brown flax seeds contains 18 g of protein per 100 g, 36% of the 50 g reference intake.

Brown flax seeds: how much fibre?

Brown flax seeds provides 26.9 g of fibre per 100 g, 108% of the 25 g a day recommended by EFSA.

Brown flax seeds: how much makes 100 kcal?

100 kcal is about 19 g of this food.

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