Carbs in Flaxseed

Keto-friendly

Flaxseed (per 100 g) contains 28.9g total carbs, 1.6g net carbs, 42.2g fat, 18.3g protein, and 534 calories.

Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

Flaxseed
1.6g
Net carbs
28.9g
Total carbs
27.3g
Fiber
18.3g
Protein
42.2g
Fat
534
Calories

Values per 100 g.

Carbs by serving size

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)1.6g28.9g534
1 oz (28 g)0.4g8.1g150

Nutrition facts

NutrientAmount (per 100 g)
Calories534
Total carbs28.9g
Net carbs1.6g
Fiber27.3g
Sugar1.6g
Sugar alcohols0g
Protein18.3g
Fat42.2g
Sodium30mg
Potassium813mg

Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

Log flaxseed in one tap

Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.

Download on the App Store

Frequently asked questions

How many carbs are in flaxseed?
Flaxseed has 28.9g of total carbs and 1.6g of net carbs per 100 grams.
How many net carbs are in flaxseed?
Flaxseed has 1.6g of net carbs per 100 grams (total carbs 28.9g minus 27.3g fiber).
Is flaxseed keto-friendly?
Yes — with 1.6g net carbs per 100g, flaxseed fits a ketogenic diet in normal portions.
How many calories are in flaxseed?
Flaxseed has 534 calories per 100 grams.

Similar foods