Chia Seeds vs Flaxseeds

Flaxseeds have more omega-3 (22.8 g against 17.8 g per 100 g). Chia has more fiber (34.4 g against 27.3 g) and more calcium (631 mg against 255 mg). Both are rich in omega-3 and fiber, so either works.

The verdict is written with Claude, an AI by Anthropic. The numbers come from our USDA data.

Where they differ

Per 100 g, the amount in each food. Only differences of at least 25%.

More in chia seeds

  • Fiber34.4 g vs 27.3 g
  • Selenium55.2 µg vs 25.4 µg
  • Vitamin B38.83 mg vs 3.08 mg
  • Calcium631 mg vs 255 mg
  • Chromium8.5 µg vs 2.3 µg

More in flaxseeds

  • Omega-3 fatty acids22.8 g vs 17.8 g
  • Vitamin B11.64 mg vs 0.62 mg
  • Copper1.22 mg vs 0.92 mg
  • Vitamin B987 µg vs 49 µg
  • Potassium813 mg vs 407 mg

USDA records compared: Seeds, chia seeds, dried; Seeds, flaxseed.

Chia seeds vs flaxseedsPer 100 g. % DV = % Daily Value (FDA, adults).Per 100 g. % RI = % Reference Intake (EU, adults).
Per 100 gChia seedsFlaxseeds
Calories486 kcal534 kcal
Protein16.5 g (33%)18.3 g (37%) (higher)
Carbohydrates42.1 g (15%) (higher)28.9 g (11%)
Fiber34.4 g (123%) (higher)27.3 g (98%)
SugarsNo data1.55 g
Total fat30.7 g (39%)42.2 g (54%) (higher)
Saturated fat3.33 g (17%)3.66 g (18%) (higher)
Vitamin B10.62 mg (52%)1.64 mg (137%) (higher)
Copper0.92 mg (103%)1.22 mg (136%) (higher)
Manganese2.72 mg (118%) (higher)2.48 mg (108%)
Selenium55.2 µg (100%) (higher)25.4 µg (46%)
Magnesium335 mg (80%)392 mg (93%) (higher)
Vitamin B724.5 µg (82%)No data
Energy2,033 kJ / 486 kcal2,234 kJ / 534 kcal
Protein16.5 g (33%)18.3 g (37%) (higher)
Carbohydrates42.1 g (16%) (higher)28.9 g (11%)
Fiber34.4 g (higher)27.3 g
SugarsNo data1.55 g (2%)
Total fat30.7 g (44%)42.2 g (60%) (higher)
Saturated fat3.33 g (17%)3.66 g (18%) (higher)
Vitamin B10.62 mg (56%)1.64 mg (149%) (higher)
Manganese2.72 mg (136%) (higher)2.48 mg (124%)
Phosphorus860 mg (123%) (higher)642 mg (92%)
Copper0.92 mg (92%)1.22 mg (122%) (higher)
Magnesium335 mg (89%)392 mg (105%) (higher)
Selenium55.2 µg (100%) (higher)25.4 µg (46%)

● = higher amount. Source: USDA FoodData Central (FDC 170554, 169414).