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Fruit

How many calories are in 100g of Grapefruit?

A tart citrus fruit historically associated with weight loss diets.

Calories per 100g

42 kcal

How long to burn off 42 calories?

🚶 Walking (3mph) 11 mins
🏃 Running (6mph) 4 mins
🚴 Cycling (12mph) 5 mins

Macronutrient Breakdown

Protein (Muscle Building) 0.8g
Carbohydrates (Energy) 11g
Dietary Fats (Hormone Health) 0.1g

Nutritional Analysis of Grapefruit

When analyzing the macro profile of Grapefruit, it's important to look beyond just the 42 calorie count. In every 100-gram serving, you are getting 0.8g of protein, 11g of carbohydrates, and 0.1g of fats. Depending on your specific metabolic goals—whether you are cutting fat, bulking up to gain muscle mass, or trying to maintain your current physique—this macro ratio will dictate how you should incorporate Grapefruit into your daily diet plan.

Frequently Asked Questions

Is Grapefruit good for weight loss?

Yes, Grapefruit is generally considered excellent for weight loss. With only 42 calories per 100 grams, it is a low-calorie density food. This means you can eat a relatively large volume of it to feel full without consuming a massive amount of your daily caloric budget.

Is Grapefruit good for building muscle?

No, Grapefruit is not a primary source of protein for muscle building. With only 0.8g of protein per 100g, it does not provide enough amino acids on its own to stimulate significant muscle protein synthesis. You should pair it with high-protein foods.

Is Grapefruit Keto-friendly?

No, Grapefruit is not ideal for a strict Keto diet. It contains 11g of carbohydrates per 100g. Consuming even a moderate portion could easily spike your blood sugar and knock you out of a state of ketosis.