Flaxseed — 534 kcal

534
Calories
per 100 g
Protein
18.3 g
Fat
42.2 g
Carbohydrates
28.9 g

Ground flaxseed is the most concentrated plant source of ALA omega-3 fatty acids and lignans. Its exceptional fiber content — 27 grams per 100 g — supports digestive regularity.

Protein 13% Fat 67% Carbohydrates 20%

Nutrition Facts

Nutrient Per 100 g Per serving
Calories534 kcal53 kcal
Protein18.3 g1.8 g
Fat42.2 g4.2 g
Carbohydrates28.9 g2.9 g
Fiber27.3 g2.7 g
Sugar1.6 g0.2 g
Water7 g0.7 g
Vitamins & Minerals
Calcium255 mg20%
Magnesium392 mg93%
Phosphorus642 mg51%
Potassium813 mg17%
Zinc4.34 mg39%
Copper1.22 mg136%
Manganese2.48 mg108%
Iron5.73 mg32%
Thiamin (B1)1.644 mg137%
Niacin (B3)3.08 mg19%
Vitamin B60.473 mg28%
Folate87 µg22%
Selenium25.4 µg46%
Source: USDA FoodData Central

Serving Calculator

grams
Per 100 g
534
kcal
18.3
Protein
42.2
Fat
28.9
Carbohydrates

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What types of healthy fats are in Flaxseed?
Flaxseed contains 42.2g of total fat per 100g, predominantly unsaturated fats — both monounsaturated (MUFA) and polyunsaturated (PUFA). These fats support heart health by helping lower LDL cholesterol. Saturated fat is present in smaller amounts.
What is a proper portion size for Flaxseed?
Because nuts are calorie-dense at 534 kcal per 100g, a standard recommended portion is about 28–30g (roughly a small handful). That single serving provides around 53 kcal, which is enough to get the health benefits without excess calorie intake.
Is Flaxseed safe for people with nut allergies?
Tree nut and peanut allergies are among the most common food allergies and can cause severe reactions. If you have a diagnosed nut allergy, avoid Flaxseed and products that may contain traces of it. Always read labels carefully for cross-contamination warnings.
How should I store Flaxseed to prevent them going rancid?
The high fat content (42.2g/100g) in Flaxseed makes it prone to oxidation. Store in an airtight container in a cool, dark place for up to 3 months, or in the refrigerator for 6 months. Freezing extends shelf life to about a year.
What is the omega-6 to omega-3 ratio in Flaxseed?
Most nuts have a higher ratio of omega-6 to omega-3 fatty acids. Walnuts are the notable exception, with a favorable balance. Flaxseed has 42.2g total fat per 100g — for the exact fatty acid breakdown, refer to the detailed nutrition table above.
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