Grapefruit vs Blackberries
Side-by-side nutrition comparison per serving. See which fits your goals better.
Quick Verdict
Best for weight loss
Grapefruit
Best for muscle gain
Blackberries
Best for low-carb
Grapefruit
Macro Comparison
Grapefruit: 100g (100g) | Blackberries: 100g (100g)
30
Grapefruit
43
Blackberries
0.55g
Grapefruit
1.39g
Blackberries
7.5g
Grapefruit
9.61g
Blackberries
0.1g
Grapefruit
0.49g
Blackberries
Protein Efficiency
What percentage of calories come from protein — higher is better for staying lean.
7%
Grapefruit
13%
Blackberries
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| Nutrient | Grapefruit | Blackberries |
|---|---|---|
| Calories | 30 | 43 |
| Protein | 0.6g | 1.4g |
| Carbs | 7.5g | 9.6g |
| Fat | 0.1g | 0.5g |
| Fiber | 1.1g | 5.3g |
| Sugar | — | 4.88g |
| Sodium | 0mg | 1mg |
| Cholesterol | 0mg | 0mg |
| Saturated Fat | 0.01g | 0.01g |
| Potassium | 127mg | 162mg |
| Vitamin A | 13mcg | 11mcg |
| Vitamin C | 37mg | 21mg |
| Calcium | 15mg | 29mg |
| Iron | 0.12mg | 0.62mg |
Which Should You Choose?
For weight loss
Choose Grapefruit. With 30 calories and 0.55g protein, it gives you more protein per calorie — keeping you full while cutting calories.
For muscle gain
Choose Blackberries. Blackberries delivers 1.39g protein per serving — 0.8g more than Grapefruit.
For low-carb diets
Choose Grapefruit with 7.5g carbs per serving.
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Take the free quizCommon Questions
Is Grapefruit or Blackberries better for weight loss?
For weight loss, Grapefruit is the better choice. Grapefruit has 30 calories and 0.55g protein per serving, while Blackberries has 43 calories and 1.39g protein. Lower calories with higher protein helps you stay full while eating fewer calories.
Which has more protein, Grapefruit or Blackberries?
Blackberries has more protein per serving. Grapefruit provides 0.55g and Blackberries provides 1.39g of protein.
Can I eat both grapefruit and blackberries together?
Yes! Combining grapefruit and blackberries gives you 73 calories and 1.94g protein. This combination can work well as part of a balanced meal.