How many calories are in a grapefruit?

Half a grapefruit contains 52 calories; a whole medium grapefruit has 103 calories. This makes grapefruit one of the lowest-calorie citrus fruits - half a grapefruit has fewer calories than an apple.

Is grapefruit good for weight loss?

Grapefruit is excellent for weight loss - 88% water, only 42 cal/100g, and high in fiber. Some studies found eating grapefruit before meals helped participants lose more weight, possibly by improving insulin sensitivity.

Grapefruit vs orange: which has fewer calories?

Grapefruit has fewer calories - 42 cal/100g vs 47 cal/100g for oranges. Half a grapefruit (52 cal) has fewer calories than one medium orange (62 cal). Grapefruit also has less sugar.

Does grapefruit interact with medications?

Yes, grapefruit affects 85+ medications including statins (Lipitor), blood pressure drugs, and antihistamines. It blocks CYP3A4 enzymes, causing drugs to build up in your system. Always check with your pharmacist.

Can diabetics eat grapefruit?

Grapefruit is excellent for diabetics - very low glycemic index (25), low sugar (6.9g/100g), and may improve insulin sensitivity. Half a grapefruit is a perfect diabetic-friendly serving.

Is grapefruit keto-friendly?

Grapefruit is moderately keto-friendly. Half a grapefruit has 9g net carbs, which can fit a flexible keto diet. It's lower in carbs than most fruits but higher than berries.

What's the difference between pink and white grapefruit?

Pink/red grapefruit is sweeter and contains lycopene (antioxidant giving the color). White grapefruit is more tart. Calories are nearly identical. Pink grapefruit has slightly more vitamin A.

What nutrients are in grapefruit?

Half a grapefruit provides 64% of daily vitamin C, plus vitamin A, potassium, and antioxidants (lycopene, naringenin). These support immune function, heart health, and may have anti-cancer properties.

When is the best time to eat grapefruit?

Eat grapefruit 30 minutes before meals to potentially boost weight loss and satiety. Avoid eating it with medications - wait 4+ hours. Morning is ideal for the vitamin C energy boost.

How should I store grapefruit?

Store whole grapefruits at room temperature for 1 week, or refrigerate for 2-3 weeks. Cut grapefruit keeps 3-4 days refrigerated in an airtight container. The thick skin protects the fruit well.