Data last updated: April 2026

Chia Seed vs Onion

Nutrition Comparison per 100g

Chia Seed 7
vs
3 Onion

Nuts & Seeds vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Chia Seed Onion Better
Calories 486kcal 40kcal Onion
Protein 16.5g 1.1g Chia Seed
Total Fat 30.7g 0.1g Onion
Carbohydrates 42.1g 9.3g Chia Seed
Fiber 34.4g 1.7g Chia Seed
Sugar 0g 4.2g Chia Seed
Vitamin C 1.6mg 7.4mg Onion
Calcium 631mg 23mg Chia Seed
Iron 7.7mg 0.2mg Chia Seed
Potassium 407mg 146mg Chia Seed

Macronutrient Breakdown

Chia Seed

Protein: 16.5g Fat: 30.7g Carbs: 42.1g

Onion

Protein: 1.1g Fat: 0.1g Carbs: 9.3g

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.

Chia Seed vs Onion — Key Takeaway

Onion has 446 fewer calories per 100g than Chia Seed, making it the lighter option. For protein, Chia Seed leads with 16.5g per 100g. Chia Seed is the better source of fiber at 34.4g per 100g.

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