# Grapefruit nutrition: 0.8 g protein per 100 g (est.) | Macro Friendly Meals

0.8 g protein per 100 g, 1 g per 1/2 fruit.

Updated 2026-10-08 - data v2026-10-08.2

Estimated nutrition for Grapefruit, per 100 g and per 1/2 fruit (123 g).

## Nutrition

|  | kcal | P | C | F |
| --- | --- | --- | --- | --- |
| Per 100 g | 42 | 0.8 | 11 | 0.1 |
| Per serving (1/2 fruit, 123 g) | 52 | 1 | 13.5 | 0.1 |

Protein per 100 kcal: 1.9 g.

## Cost

Est. cost per serving: $0.40–$1.00 (est.).

Est. cost midpoint: $0.70 (est.).

Est. $ per 10 g protein: $7.00 (est.).

## Diet and scores

Low-carb, Paleo, Mediterranean, Vegetarian, Vegan, Pescatarian, Gluten-Free, Dairy-Free

Efficiency 9 / Taste 6 / Overall 7.5.

Longevity: Vitamin C, lycopene (ruby)

## Recipes using this food

None yet.

## Related

- [Cream of rice (dry)](https://macrofriendlymeals.com/foods/cream-of-rice-dry) (1.9 g protein / 100 kcal)
- [Orange](https://macrofriendlymeals.com/foods/orange) (1.9 g protein / 100 kcal)
- [Kiwi](https://macrofriendlymeals.com/foods/kiwi) (1.8 g protein / 100 kcal)
- [Pomegranate seeds](https://macrofriendlymeals.com/foods/pomegranate-seeds) (2 g protein / 100 kcal)
- [Watermelon](https://macrofriendlymeals.com/foods/watermelon) (2 g protein / 100 kcal)
- [Ice cream, vanilla](https://macrofriendlymeals.com/foods/ice-cream-vanilla) (1.7 g protein / 100 kcal)

Nutrition values are estimates until a USDA record is attached. Not medical advice.

USDA FDC ID: not yet verified (est.)

Canonical: https://macrofriendlymeals.com/foods/grapefruit

Cite as: Macro Friendly Meals, "Grapefruit nutrition", https://macrofriendlymeals.com/foods/grapefruit, data v2026-10-08.2.