Data last updated: April 2026

Buckwheat vs Flaxseed

Nutrition Comparison per 100g

Buckwheat 3
vs
7 Flaxseed

Grains vs Nuts & Seeds

Side-by-Side Nutrition Facts

Nutrient Buckwheat Flaxseed Better
Calories 92kcal 534kcal Buckwheat
Protein 3.4g 18.3g Flaxseed
Total Fat 0.6g 42.2g Buckwheat
Carbohydrates 19.9g 28.9g Flaxseed
Fiber 2.7g 27.3g Flaxseed
Sugar 0.9g 1.6g Buckwheat
Vitamin C 0mg 0.6mg Flaxseed
Calcium 7mg 255mg Flaxseed
Iron 0.8mg 5.7mg Flaxseed
Potassium 88mg 813mg Flaxseed

Macronutrient Breakdown

Buckwheat

Protein: 3.4g Fat: 0.6g Carbs: 19.9g

Flaxseed

Protein: 18.3g Fat: 42.2g Carbs: 28.9g

Data Source

Nutrition data sourced from the USDA FoodData Central SR Legacy database. All values are per 100g of the food item. Actual nutritional content may vary by preparation method, brand, and serving size.

Buckwheat vs Flaxseed — Key Takeaway

Buckwheat has 442 fewer calories per 100g than Flaxseed, making it the lighter option. For protein, Flaxseed leads with 18.3g per 100g. Flaxseed is the better source of fiber at 27.3g per 100g.

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