Grapefruit vs Lentils
Side-by-side macro comparison. Grapefruit vs Lentils per their standard serving sizes.
Macro Comparison Table
| Macro | Grapefruit | Lentils | Difference |
|---|---|---|---|
| Calories | 52 cal | 230 cal | -77% Grapefruit |
| Protein | 0.9g | 18g | -95% Grapefruit |
| Carbs | 13g | 40g | -67% Grapefruit |
| Fat | 0.2g | 0.8g | -75% Grapefruit |
Differences shown relative to Grapefruit. Positive = Grapefruit has more.
Quick Take
Grapefruit delivers 52 calories per serving with 0.9g protein, 13g carbs, and 0.2g fat. Lentils delivers 230 calories with 18g protein, 40g carbs, and 0.8g fat. The most meaningful difference: Grapefruit saves 178 calories per serving — meaningful over a week of meals. For protein density per calorie, Lentils wins at 31% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Grapefruit gives you 178 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), Lentils delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Lentils brings 230 calories — useful when you're chasing a surplus and struggling to eat enough. Lentils delivers 18g 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
Grapefruit fits cleanly into keto with only 13g carbs. Lentils at 40g carbs uses significantly more of your daily 20-30g carb budget.
Frequently Asked
Which has more protein, Grapefruit or Lentils?
Lentils has more protein: 18g vs 0.9g per serving. That's a difference of 17.1g.
Which has fewer calories, Grapefruit or Lentils?
Grapefruit has 52 calories per serving vs 230 calories in Lentils — a difference of 178 calories.
Is Grapefruit or Lentils better for keto?
Grapefruit is the better keto choice at 13g carbs per serving vs 40g carbs in Lentils.
Is Grapefruit or Lentils better for weight loss?
For weight loss, Grapefruit gives you more calorie flexibility (178 cal less per serving). For preserving muscle during a deficit, Lentils delivers more protein per calorie. Most people on cuts benefit from Lentils.
Which Is Better for Your Goal?
🔥 Weight Loss
Lentils
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Lentils
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Grapefruit
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
The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:
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Other ways Grapefruit and Lentils stack up:
Full Grapefruit guide • Full Lentils guide • All comparisons