Blog Research API Download App

Apple VS Onion

A detailed nutritional comparison

Apple

Apple

Onion

Onion

🎯 Quick Verdict

🍏 Higher Fiber
💪 Higher Protein
⚡ Similar Calories

Apples and onions provide distinct nutritional benefits, with apples being higher in fiber and vitamin C, while onions provide slightly more protein and unique antioxidants. Apples are ideal for snacking and digestion, whereas onions are a staple for savory cooking, with potential cardiovascular benefits.

Smart Nutrition Tracking with SnapCalorie

★★★★★ 4.8/5 (2M+ downloads)
Track meals with just a photo
Hit your nutrition goals easier
Join 2M+ happy users
SnapCalorie App Screenshot

📊 Nutritional Comparison

Macronutrients

NutrientFood 1Food 2Winner
Calories 52 40
Protein 0.3g 1.2g
Carbs 14g 9g
Fat 0.2g 0.1g
Fiber 2.4g 1.7g

Vitamins & Minerals

NutrientFood 1Food 2Winner
Vitamin C 4.6mg 7.4mg
Calcium 6mg 23mg
Iron 0.12mg 0.21mg

🏆 Category Winners

🏆

Protein

Onion provides 4 times more protein per serving than apple.

🏆

Fiber

Apple is 40% higher in fiber content, supporting digestion.

🏆

Calories

Onion is slightly lower in calories per serving.

🥗 Diet Compatibility

Keto

Food 1: Not Compatible

Food 2: Compatible

Onion is lower in carbs than apple, making it more keto-friendly.

Vegan

Food 1: Compatible

Food 2: Compatible

Both foods are plant-based and suitable for vegans.

Gluten Free

Food 1: Compatible

Food 2: Compatible

Neither food contains gluten.

Paleo

Food 1: Compatible

Food 2: Compatible

Both foods are whole and unprocessed, fitting the paleo diet.

Low Carb

Food 1: Not Compatible

Food 2: Compatible

Onion has fewer carbohydrates than apple, better fitting low-carb diets.

💪 Health Benefits Comparison

Food 1 Benefits

  • Rich in dietary fiber to support healthy digestion
  • Contains antioxidants that may reduce inflammation
  • Source of vitamin C for immunity

Food 2 Benefits

  • High in antioxidants like quercetin, supporting heart health
  • Provides small amounts of protein necessary for cell repair
  • Contains sulfur compounds, which may improve blood circulation

✅ The Bottom Line

Choose apples for a sweet, fiber-rich snack and digestive support, or onions as a low-calorie, protein-rich ingredient for savory dishes. Apples pair well with sweet recipes or eaten raw, while onions are versatile for cooking and offer cardiovascular benefits.

Choose Food 1 for: Snacks, digestion, antioxidant boost

Choose Food 2 for: Savory dishes, heart health, low-carb cooking