Watermelon

fruits

Watermelon

7/ 10Good
Controversy: 5.5

Rated by 11 diets

7 approve2 caution2 avoid
Is Watermelon Healthy?

Yes — Watermelon is broadly considered healthy. 7 out of 11 diets approve it.

Nutrition Facts
Per 100g
Calories
30kcal
Protein
0.6g
Carbs
7.6g
Fat
0.2g
Fiber
0.4g
Sugar
6.2g
Sodium
1mg

Diet Ratings

Keto3/10AVOID

1 cup cubed watermelon contains ~12g net carbs with minimal nutrients. High water content but insufficient fat/protein for keto. Better alternatives exist.

Vegan9/10APPROVED

Whole plant food with no animal products or derivatives. Hydrating, nutrient-rich. Minimally processed.

Paleo7/10APPROVED

Whole fruit with high water content and micronutrients. Moderate natural sugars. Good hydration source.

Mediterranean7/10APPROVED

Watermelon is a hydrating summer fruit common in Mediterranean regions with lycopene and vitamin C. High water content and low calorie density make it appropriate, though moderate in nutrient density.

Carnivore1/10AVOID

Plant-derived fruit with high water and sugar content. Excluded from carnivore diet despite low caloric density.

Whole309/10APPROVED

Whole fruit with no added ingredients. Explicitly compliant with Whole30 guidelines as a natural, unprocessed fruit.

Low-FODMAP8/10APPROVED

Watermelon is low-FODMAP at standard serving sizes (~150g or 1 cup). Monash University confirms low FODMAP content with clear portion guidance.

DASH8/10APPROVED

DASH-approved fruit. Good source of potassium, lycopene, and citrulline. Low sodium, high water content aids hydration. Supports vascular function.

Zone5/10CAUTION

Moderate-to-high glycemic index despite low calorie density. High water content means large portions needed for carb balance. Usable in Zone but requires careful measurement and pairing.

Contains lycopene and citrulline with some anti-inflammatory properties, but high water content and moderate sugar concentration limit effectiveness. Acceptable occasionally but not a priority anti-inflammatory fruit.

iSome sources emphasize lycopene's cardiovascular benefits more strongly. However, mainstream anti-inflammatory guidance prioritizes lower-glycemic, higher-polyphenol fruits for inflammation reduction specifically.

GLP-1 Friendly8/10APPROVED

Very high water content (92%), low calorie density (30 cal per 100g), moderate fiber (0.6g per 100g), natural sugars in small portions. Excellent for hydration support (GLP-1 reduces thirst). Easy to digest. Portion-friendly due to high volume, low calories.

Controversy Index

Score range: 19/10. Higher controversy = more disagreement between diets.

Consensus5.5Divisive

Diet-Specific Tips for Watermelon

Vegan 9/10
  • whole fruit
  • no processing
  • plant-based
  • hydrating
Paleo 7/10
  • High water content
  • Moderate glycemic impact
  • Hydrating
Mediterranean 7/10
  • High water content
  • Lycopene antioxidant
  • Low calorie density
  • Summer Mediterranean staple
Whole30 9/10
  • Whole fruit
  • No added sugar
  • Unprocessed
Low-FODMAP 8/10
  • Low fructans
  • Low polyols
  • Standard serving 1 cup
DASH 8/10
  • Good potassium
  • Lycopene content
  • Low sodium
  • High water content
Zone 5/10
  • Moderate-high glycemic index
  • Low calorie density
  • Requires large portions for carbs
  • High water content
  • lycopene
  • citrulline
  • high water content
  • moderate sugar density
  • Very high water content
  • Low calorie density
  • Supports hydration
  • Easy to digest
  • Portion-friendly
Last reviewed: Our methodology
Is Watermelon Healthy? Diet Ratings & Controversy Score | FoodRef.ai