Question 1

How many calories are in flax seeds?

Accepted Answer

One cup, whole (168 g) of flax seeds has about 897 calories. Per 100 g that is 534 calories. The figures are from the USDA FoodData Central database (lab-measured values).

Question 2

How much protein is in flax seeds?

Accepted Answer

One cup, whole (168 g) has 30.7 g of protein (18.3 g per 100 g). That makes it a good source of protein.

Question 3

How many carbs are in flax seeds?

Accepted Answer

One cup, whole (168 g) has 48.6 g of carbohydrate, of which 45.9 g is fibre and 2.6 g is sugars.

Question 4

What vitamins and minerals does flax seeds contain?

Accepted Answer

Per cup, whole (168 g), the most notable are thiamin (b1) (230% of the Daily Value), copper (228% of the Daily Value), manganese (181% of the Daily Value), magnesium (157% of the Daily Value). The tool above lists every vitamin and mineral the USDA measured, at any portion size.

Question 5

Where do these flax seeds nutrition numbers come from?

Accepted Answer

They come from the USDA FoodData Central database (SR Legacy), which is public domain, scaled to the portion shown. Brands and recipes vary, so treat them as typical values. Nothing you look up here is sent to a server.

Nutrient	1 cup, whole (168 g)	Per 100 g	% Daily Value
Calories	897 kcal	534 kcal	—
Protein	31 g	18 g	61%
Carbohydrate	49 g	29 g	18%
Fibre	46 g	27 g	164%
Sugars	2.6 g	1.6 g	—
Fat	71 g	42 g	91%
Saturated fat	6.1 g	3.7 g	31%
Sodium	50 mg	30 mg	2%
Potassium	1366 mg	813 mg	29%
Calcium	428 mg	255 mg	33%
Iron	9.6 mg	5.7 mg	53%
Vitamin C	1 mg	0.6 mg	1%

Flax seeds nutrition facts

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