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How Many Calories in Seeds, Flaxseed?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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534
calories per 100g
53 calories per 1 tbsp, whole (10g)
MORiSH high-protein snacks — try alongside
18.3gProtein
28.9gCarbs
42.2gFat
27.3gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)151 kcal5.2g
100g534 kcal18.3g
1 tbsp, whole53 kcal1.8g
grams
534kcal
18.3gprotein
28.9gcarbs
42.2gfat
27.3gfibre

A seeds, flaxseed contains 534 calories per 100g. A typical 1 tbsp, whole (10g) provides about 53 calories. Seeds, Flaxseed is high in calories and is a good source of protein. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Seeds, Flaxseed Nutrition Facts

NutrientPer 100gPer serving (10g)
Calories534 kcal53 kcal
Protein18.3g1.8g
Carbohydrates28.9g2.9g
of which Sugars1.6g0.2g
Fat42.2g4.2g
of which Saturates3.7g0.4g
Fibre27.3g2.7g
Sodium30.0mg3mg
Potassium813.0mg81mg
Calcium255.0mg26mg
Iron5.7mg0.6mg
Vitamin C0.6mg0.1mg
Vitamin A0.0µg0µg
Selenium25.4µg3µg
Riboflavin (B2)0.2mg0.0mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

High-protein options alongside seeds, flaxseed

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Have a cat or dog? Check whether seeds, flaxseed is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. If calorie tracking is part of a broader health check, hormone testing can rule out metabolic factors affecting your results. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Check the actual serving size on packaging before comparing to the per-100g figures here — snack portions are often smaller (or larger) than 100g.

Does seeds, flaxseed fit your diet?

High-protein diets

At 18.3g of protein per 100g, seeds, flaxseed clears the 15g/100g threshold generally used to call a food high-protein — a useful contributor if you're tracking protein intake for muscle maintenance, satiety, or a higher-protein eating pattern.

Fibre intake

Seeds, Flaxseed provides 27.3g of fibre per 100g — a meaningful contribution toward the commonly cited 25-30g daily target, which supports digestion and helps with feeling fuller for longer.

Frequently Asked Questions

How many calories in seeds, flaxseed per 100g?

Seeds, Flaxseed contains 534 calories per 100g, based on USDA reference data.

Is seeds, flaxseed high in calories?

A 1 tbsp, whole of seeds, flaxseed (10g) has around 53 calories — roughly 3% of a 2,000-calorie daily intake.

Is seeds, flaxseed good for weight loss?

Seeds, Flaxseed is fairly calorie-dense at 534 calories per 100g, so portion size matters when losing weight. A 1 tbsp, whole provides about 53 calories.

How much protein is in seeds, flaxseed?

Seeds, Flaxseed contains 18.3g of protein per 100g.

Is seeds, flaxseed a good source of fibre?

Yes — seeds, flaxseed provides 27.3g of fibre per 100g, which is a meaningful contribution toward the commonly cited 28g daily reference intake.

How does seeds, flaxseed compare to margarine-like, vegetable oil spread, stick or tub, sweetened?

Seeds, Flaxseed has 534 calories per 100g, close to margarine-like, vegetable oil spread, stick or tub, sweetened at 534 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of seeds, flaxseed for 20g of protein?

With 18.3g of protein per 100g, you'd need roughly 109g of seeds, flaxseed to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to seeds, flaxseed by calories per 100g:

FoodCaloriesProteinCarbsFat
Seeds, Flaxseed (this page)534 kcal18.3g28.9g42.2g
Margarine-like, Vegetable Oil Spread, Stick or Tub, Sweetened534 kcal0.0g16.7g52.0g
Margarine-like, Vegetable Oil Spread, 60% Fat, Tub, with Salt533 kcal0.2g0.9g59.8g
Margarine-like, Vegetable Oil Spread, 60% Fat, Stick/tub/bottle, without Salt533 kcal0.2g0.9g59.8g
Margarine-like, Vegetable Oil Spread, 60% Fat, Tub, with Salt, with Added Vitamin D533 kcal0.2g0.9g59.8g
Margarine-like Vegetable-oil Spread, Stick/tub/bottle, 60% Fat, with Added Vitamin D535 kcal0.6g0.0g59.2g
Sauce, Alfredo Mix, Dry535 kcal15.3g36.5g36.4g

More kit for seeds, flaxseed tracking

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Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.