Mealary
USDA FoodData Central

Seeds, flaxseed: nutrition facts

Full nutrition facts for seeds, flaxseed: 534 calories (about 150 kcal per ounce), 18.3 g protein, 28.9 g carbohydrate, 42.2 g fat, fiber, sodium, vitamins and minerals per 100 g. It comes straight from USDA FoodData Central, not an AI guess.

Calories by portion

kcal
100 g (standard basis)534 kcal
1 oz (28 g)150 kcal
1 serving (½ cup, ~120 g)641 kcal
100 kcal weighs19 g
Macro split per 100 g: 18.3 g protein · 28.9 g carbs · 42.2 g fat.

Nutrition facts

per 100 g
Calories534
Total Fat42.2 g
Saturated Fat3.7 g
Trans Fat0 g
Cholesterol0 mg
Sodium30 mg
Total Carbohydrate28.9 g
Dietary Fiber27.3 g
Total Sugars1.6 g
Added Sugars0 g
Protein18.3 g

Vitamins & minerals

Vitamin D0 mcg
Calcium255 mg
Iron5.7 mg
Potassium813 mg
Vitamin A0 mcg
Vitamin C0.6 mg

About this food

All amounts are shown per 100 g of seeds, flaxseed (SR Legacy), the standard basis USDA uses so foods can be compared like-for-like. Scale by the weight of your portion to get the nutrition for the amount you actually eat.

Data source: USDA FoodData Central #169414

Building a recipe? Use the free calculator

Add seeds, flaxseed to a full recipe and get accurate per-serving nutrition plus a print-ready FDA Nutrition Facts label, computed from the same USDA data.

Open the nutrition calculator

Mealary is a computation tool, not medical or regulatory advice. Verify against your own portion and formulation before relying on these figures. Generate a label →

How to read seeds, flaxseed nutrition

Of the 534 calories in 100 g, roughly 20% come from carbohydrate, 67% from fat and 13% from protein (using the standard 4, 9 and 4 kcal per gram).

Against the FDA Daily Values, a 100 g portion supplies the most of dietary fiber (98% DV), total fat (54% DV) and protein (37% DV).

Need this for a product label? Add seeds, flaxseed as an ingredient in the nutrition calculator and generate an FDA-style label with the label generator, or read the guide to reading a nutrition label.