Calories in Flaxseed, ground

Generic food Nuts and Seeds

Flaxseed, ground contains 514 kcal per 100 g. A typical serving of reference amount, racc (15 g) provides about 77 kcal.

Roughly 62% of its calories come from fat, with 25% from carbohydrates and 13% from protein (estimated with general energy factors).

That is less energy than the typical item in nut and seed products on FoodFactly, where the median is 574 kcal per 100 g across 151 foods.

100 g provides 247% of the Daily Value for selenium, 149% of the Daily Value for copper and 113% of the Daily Value for Biotin (B7).

The data comes from USDA FoodData Central: Foundation Foods, where most core values were measured by laboratory analysis.

514kcal per 100 g
18 gprotein
34.4 gcarbohydrates
37.3 gfat
77kcal in reference amount, racc (15 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 514 kcal
Total fat M 37.3 g 48%
Saturated fat M 3.3 g 16%
Sodium M 36.7 mg 2%
Total carbohydrates C 34.4 g 13%
Dietary fiber M 23.1 g 83%
Total sugars not reported
Protein C 18 g 36%
Vitamin E M 0 mg0%
Vitamin K M 3.7 µg3%
Thiamin (B1) M 0.54 mg45%
Niacin (B3) M 3.8 mg24%
Vitamin B6 M 0.39 mg23%
Biotin (B7) M 33.8 µg113%
Folate (B9) M 41.4 µg10%
Calcium M 230 mg18%
Iron M 5.8 mg32%
Magnesium M 372 mg89%
Phosphorus M 556 mg44%
Potassium M 793 mg17%
Zinc M 4.7 mg43%
Copper M 1.3 mg149%
Manganese M 2.4 mg104%
Selenium M 136 µg247%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 13%Carbohydrates: 25%Fat: 62%514kcal / 100 g
  • Protein 13%
  • Carbohydrates 25%
  • Fat 62%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Selenium247%Copper149%Biotin (B7)113%Manganese104%Magnesium89%Thiamin (B1)45%Phosphorus44%Zinc43%Iron32%Niacin (B3)24%

Nutritional insights

  • Protein18 gabove the median for nut and seed products (median 16.1 g)
  • Fiber23.1 gin the top quarter of nut and seed products (median 8.4 g)
  • Fat37.3 gbelow the median for nut and seed products (median 48.8 g)
  • Saturated fat3.3 gbelow the median for nut and seed products (median 5.6 g)
  • Sodium36.7 mgabove the median for nut and seed products (median 18 mg)
  • Protein per 100 kcal3.5 gprotein density, useful for comparing foods with different calorie levels
  • Water6.8 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat M5.9 g
Polyunsaturated fat M24.7 g
Amino acids (19)
Tryptophan M0.3 g
Threonine M0.93 g
Isoleucine M0.94 g
Leucine M1.4 g
Lysine M0.93 g
Methionine M0.4 g
Phenylalanine M1.1 g
Tyrosine M0.57 g
Valine M1.1 g
Arginine M2.2 g
Histidine M0.51 g
Alanine M1.1 g
Aspartic acid M2.3 g
Glutamic acid M4.9 g
Glycine M1.4 g
Proline M0.87 g
Serine M1.1 g
Hydroxyproline M0.19 g
Cysteine M0.55 g
Individual fatty acids (6)
ALA (omega-3, 18:3 n-3) M19.4 g
SFA 16:0 M1.9 g
SFA 18:0 M1.2 g
MUFA 18:1 c M5.8 g
PUFA 18:2 n-6 c,c M5.3 g
MUFA 20:1 c M0.16 g
Other components (8)
Water M6.8 g
Nitrogen M3.4 g
Ash M3.5 g
Daidzein M20.2 mg
Genistein M0.013 mg
Daidzin M30.2 mg
Genistin M2 mg
Glycitin M31.6 mg

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Flax seeds 545 18 g 34.4 g 37.3 g
Flaxseed 534 18.3 g 28.9 g 42.2 g
Seeds, sesame seed kernels, toasted, with salt added (decorticated) Cooked 567 17 g 26 g 48 g
Seeds, sesame seed kernels, toasted, without salt added (decorticated) Cooked 567 17 g 26 g 48 g
Chia seeds 486 16.5 g 42.1 g 30.7 g
Seeds, sesame seeds, whole, roasted and toasted Cooked 565 17 g 25.7 g 48 g
Chia seeds, dried Dried or dry 486 16.5 g 42.1 g 30.7 g
Nuts, almonds, honey roasted, unblanched Cooked 594 18.2 g 27.9 g 49.9 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in flaxseed?

100 g of flaxseed has 514 kcal. Reference amount, racc (15 g): about 77 kcal.

Is flaxseed high in protein?

Flaxseed contains 18 g of protein per 100 g (36% of the 50 g Daily Value), or 2.7 g in reference amount, racc (15 g). About 13% of its calories come from protein. Compared with other nut and seed products, that is above the median (median 16.1 g).

How many carbs are in flaxseed?

Flaxseed has 34.4 g of total carbohydrates per 100 g, including 23.1 g of fiber.

How much fat is in flaxseed?

Flaxseed contains 37.3 g of fat per 100 g, of which 3.3 g is saturated (16% of the Daily Value).

What vitamins and minerals does flaxseed contain?

Per 100 g, the most notable amounts relative to the Daily Value are selenium (247% DV), copper (149% DV), Biotin (B7) (113% DV), manganese (104% DV) and magnesium (89% DV). The full list is in the vitamins and minerals table above.

How much sodium is in flaxseed?

100 g contains 36.7 mg of sodium, 2% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Foundation Foods, record dated April 28, 2022. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: Foundation Foods, record 2262075. License: CC0 1.0 (U.S. public domain). Source record dated April 28, 2022. Imported November 6, 2026.

Last updated: . Data quality score: 95/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.