Blackberries vs Grapefruit
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
Blackberries: 100g (100g) | Grapefruit: 100g (100g)
43
Blackberries
30
Grapefruit
1.39g
Blackberries
0.55g
Grapefruit
9.61g
Blackberries
7.5g
Grapefruit
0.49g
Blackberries
0.1g
Grapefruit
Protein Efficiency
What percentage of calories come from protein — higher is better for staying lean.
13%
Blackberries
7%
Grapefruit
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| Nutrient | Blackberries | Grapefruit |
|---|---|---|
| Calories | 43 | 30 |
| Protein | 1.4g | 0.6g |
| Carbs | 9.6g | 7.5g |
| Fat | 0.5g | 0.1g |
| Fiber | 5.3g | 1.1g |
| Sugar | 4.88g | — |
| Sodium | 1mg | 0mg |
| Cholesterol | 0mg | 0mg |
| Saturated Fat | 0.01g | 0.01g |
| Potassium | 162mg | 127mg |
| Vitamin A | 11mcg | 13mcg |
| Vitamin C | 21mg | 37mg |
| Calcium | 29mg | 15mg |
| Iron | 0.62mg | 0.12mg |
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 Blackberries or Grapefruit better for weight loss?
For weight loss, Grapefruit is the better choice. Blackberries has 43 calories and 1.39g protein per serving, while Grapefruit has 30 calories and 0.55g protein. Lower calories with higher protein helps you stay full while eating fewer calories.
Which has more protein, Blackberries or Grapefruit?
Blackberries has more protein per serving. Blackberries provides 1.39g and Grapefruit provides 0.55g of protein.
Can I eat both blackberries and grapefruit together?
Yes! Combining blackberries and grapefruit gives you 73 calories and 1.94g protein. This combination can work well as part of a balanced meal.