A closer look at a familiar choice

Chia seeds vs. Flaxseed

Per 100 g, chia seeds, dried has 486 calories and 16.5 g protein; flaxseed has 534 calories and 18.3 g protein. Change the basis to see the tradeoffs.

Choose a fair basis
AChia seeds100 g · USDA SR Legacy
vs.
BFlaxseed100 g · USDA SR Legacy
NutrientChia seedsFlaxseed
Calorieskcal486534
Proteing16.518.3
Carbohydrateg42.128.9
Fatg30.742.2
Fiberg34.427.3
Total sugarsg—1.6
Sodiummg1630
Saturated fatg3.33.7

Values change with the amount you choose. A dash means the nutrient was not reported.

The difference at 200 calories.

Food amount

For 200 calories, the comparison uses 41.2 g of chia seeds and 37.5 g of flaxseed.

Protein

Flaxseed provides more reported protein at equal calories: 6.8 g for chia seeds, compared with 6.9 g for flaxseed.

Fiber

The fiber amounts are 14.2 g for chia seeds and 10.2 g for flaxseed at 200 calories.

Sodium

At equal calories, the reported sodium amounts are 7 mg and 11 mg respectively. Added salt or a different brand can change this comparison.

Other choices to explore.

FoodBasisCaloriesProteinFiberSodium
Seeds, sesame flour, low-fatUSDA SR Legacy100 g33350.1 g—39 mg
Seeds, cottonseed flour, low fat (glandless)USDA SR Legacy100 g33249.8 g—35 mg
Seeds, sunflower seed flour, partially defattedUSDA SR Legacy100 g32648.1 g5.2 g3 mg