Corn vs Onion
Side-by-side macro comparison. Corn vs Onion per their standard serving sizes.
Macro Comparison Table
| Macro | Corn | Onion | Difference |
|---|---|---|---|
| Calories | 177 cal | 44 cal | +302% Corn |
| Protein | 5.4g | 1.2g | +350% Corn |
| Carbs | 41g | 10g | +310% Corn |
| Fat | 2.1g | 0.1g | +2000% Corn |
Differences shown relative to Corn. Positive = Corn has more.
Quick Take
Corn delivers 177 calories per serving with 5.4g protein, 41g carbs, and 2.1g fat. Onion delivers 44 calories with 1.2g protein, 10g carbs, and 0.1g fat. The most meaningful difference: Onion saves 133 calories per serving — meaningful over a week of meals. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Onion gives you 133 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Corn delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Corn brings 177 calories — useful when you're chasing a surplus and struggling to eat enough. Corn delivers 5.4g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.
For Keto / Low-Carb
Onion fits cleanly into keto with only 10g carbs. Corn at 41g carbs uses significantly more of your daily 20-30g carb budget.
Frequently Asked
Which has more protein, Corn or Onion?
Corn has more protein: 5.4g vs 1.2g per serving. That's a difference of 4.2g.
Which has fewer calories, Corn or Onion?
Onion has 44 calories per serving vs 177 calories in Corn — a difference of 133 calories.
Is Corn or Onion better for keto?
Onion is the better keto choice at 10g carbs per serving vs 41g carbs in Corn.
Is Corn or Onion better for weight loss?
For weight loss, Onion gives you more calorie flexibility (133 cal less per serving). For preserving muscle during a deficit, Corn delivers more protein per calorie. Most people on cuts benefit from Corn.
Which Is Better for Your Goal?
🔥 Weight Loss
Onion
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Corn
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Onion
Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.
Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.
Find Your Personal Macros
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