Is flaxseed oil keto?

Flaxseed oil

Keto-friendly Yes — flaxseed oil is keto-friendly.

Carb-free and rich in plant omega-3 (ALA). Keep it refrigerated and use it cold — never for frying.

Nutrition per serving

1 tbsp · 13.6 g
Net carbs
0g
Calories
120kcal
Protein
0g
Fat
14g
Total carbs
0 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 0%

Flaxseed oil has virtually no net carbs, so portion size is about calories and fullness, not carbs.

Nutrition facts for flaxseed oil
NutrientPer servingPer 100 g
Calories120 kcal884 kcal
Total carbohydrate0 g0 g
Dietary fiber0 g0 g
Net carbs0 g0 g
Sugars 0 g 0 g
Protein0 g0.1 g
Fat14 g100 g

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Frequently asked questions

Is flaxseed oil keto?

Yes — flaxseed oil is keto-friendly. Carb-free and rich in plant omega-3 (ALA). Keep it refrigerated and use it cold — never for frying.

How many net carbs are in flaxseed oil?

1 tbsp (13.6 g) of flaxseed oil has about 0 g net carbs (0 g total carbs minus 0 g fiber). Per 100 g, that's 0 g net carbs.

How much flaxseed oil can I eat on keto?

Flaxseed oil has virtually no net carbs, so portion size is about calories and fullness, not carbs. On a typical 20 g daily limit, one serving uses about 0% of your carbs.

More fats & oils

Full fats & oils list

Source: USDA FoodData Central (SR Legacy #167702): Oil, flaxseed, cold pressed. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

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