Watermelon juice
High GI
GL 7.5 per typical cup (150 g) · GL 5 per 100 g
- Low level of processing
- High glycemic index
Watermelon juice has a glycemic index of 72 (High). One typical cup (150 g) adds a glycemic load of 7.5.
Updated Nov 13, 2025 · Sources: Logi Nutrition Team (USDA-derived composition, AI-assisted) · Not medical advice · Report an error
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Watermelon juice is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Nutrition Facts (per 100g)
per 100g
| Calories | 30 kcal |
| Carbohydrates | 7.6 g |
| Sugars (Total) | 6.2 g |
| Natural | 6.2 g |
| Added | 0 g |
| Fiber | 0.2 g |
| Soluble | 0.1 g |
| Insoluble | 0.1 g |
| Protein | 0.6 g |
| Fat | 0.1 g |
| Saturated | 0 g |
| Unsaturated | 0.1 g |
| Sodium | 1 mg |
Processing Level
Why this score?
- Low level of processing
- Low caloric content
- High glycemic index
- High content of simple sugars
- Very low fiber
Allergens
No EU-14 allergen listed
Low-GI recipes on Logi Food Coach
Frequently Asked Questions
What is the glycemic index of Watermelon juice?
Watermelon juice has a glycemic index of 72 (High). One typical cup (150 g) has a glycemic load of 7.5; per 100 g the glycemic load is 5.
Is Watermelon juice good for people with insulin resistance?
Watermelon juice has a high glycemic index (72) and raises blood sugar quickly. A lower-load alternative is Natural unsweetened coconut water.
How does Watermelon juice affect blood sugar?
Watermelon juice has a glycemic load of 5 per 100g, which indicates a minimal impact on blood sugar levels.
Check Watermelon juice in the Logi app, with your portion.
