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Watermelon juice, 100%

Common food

Low carbLow calorieLow fat

Pure, chilled watermelon juice is a vibrant, ruby-red elixir that captures the essence of summer in a glass. It has a light, watery texture and a refreshingly sweet, subtly floral taste. Despite its indulgent flavor, it's remarkably low in calories, offering a guilt-free hydrating boost.

= 100 g
30.0 kcal
Calories
0.61 g
Protein
7.5 g
Carbs
0.15 g
Fat
0.40 g
Fiber
6.2 g
Sugar

Calorie split: 7% protein · 89% carbs · 4% fat

↓ Full nutrition

💚 Why it's loved

People adore its pure, unadulterated taste of summer and its incredible ability to quench thirst on a hot day. It's a beloved, versatile base for cocktails, smoothies, and agua frescas across many cultures.

⚠️ Watch-outs & how to enjoy it better

Its high natural sugar content (6.2g per 100g) can cause a rapid blood-sugar spike, which is a consideration for diabetics or those monitoring sugar intake. To mitigate this, pair it with a source of protein or healthy fat (like a handful of nuts) to slow sugar absorption, or dilute it with sparkling water for a lighter spritzer.

Key benefits

🍽️ Popular dishes

🌍 Where it's eaten

💡 Did you know?

Watermelon is botanically a berry, and it's over 90% water, which is why juicing it yields such a high volume with minimal waste.

Nutrition Facts
Amount Per 100 g
Calories30
% Daily Value*
Total Fat 0.15g0%
Saturated Fat 0.02g0%
Trans Fat —
Cholesterol 0.00mg0%
Sodium 1.0mg0%
Total Carbohydrate 7.5g3%
Dietary Fiber 0.40g1%
Total Sugars 6.2g
Protein 0.61g
Vitamin D 0.00mcg0%
Calcium 7.0mg1%
Iron 0.24mg1%
Potassium 112mg2%
* The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Full nutrition (USDA data · scales with serving)

Water91.5 g
Energy30.0 kcal
Protein0.61 g
Total lipid (fat)0.15 g
Carbohydrate, by difference7.5 g
Fiber, total dietary0.40 g
Total Sugars6.2 g
Calcium, Ca7.0 mg
Iron, Fe0.24 mg
Magnesium, Mg10.0 mg
Phosphorus, P11.0 mg
Potassium, K112 mg
Sodium, Na1.0 mg
Zinc, Zn0.10 mg
Copper, Cu0.04 mg
Selenium, Se0.40 ug
Vitamin C, total ascorbic acid8.1 mg
Thiamin0.03 mg
Riboflavin0.02 mg
Niacin0.18 mg
Vitamin B-60.04 mg
Folate, total3.0 ug
Folic acid0.00 ug
Folate, food3.0 ug
Folate, DFE3.0 ug
Choline, total4.1 mg
Vitamin B-120.00 ug
Vitamin B-12, added0.00 ug
Vitamin A, RAE28.0 ug
Retinol0.00 ug
Carotene, beta303 ug
Carotene, alpha0.00 ug
Cryptoxanthin, beta78.0 ug
Lycopene4532 ug
Lutein + zeaxanthin8.0 ug
Vitamin E (alpha-tocopherol)0.05 mg
Vitamin E, added0.00 mg
Vitamin D (D2 + D3)0.00 ug
Vitamin K (phylloquinone)0.10 ug
Alcohol, ethyl0.00 g
Caffeine0.00 mg
Theobromine0.00 mg

Fat & fatty acid profile (per 100g)

Fatty acids, total saturated0.02 g
SFA 4:00.00 g
SFA 6:00.00 g
SFA 8:00.00 g
SFA 10:00.00 g
SFA 12:00.00 g
SFA 14:00.00 g
SFA 16:00.01 g
SFA 18:00.01 g
Fatty acids, total monounsaturated0.04 g
MUFA 16:10.00 g
MUFA 18:10.04 g
MUFA 20:10.00 g
MUFA 22:10.00 g
Fatty acids, total polyunsaturated0.05 g
PUFA 18:20.05 g
PUFA 18:30.00 g
PUFA 18:40.00 g
PUFA 20:40.00 g
PUFA 20:5 n-3 (EPA)0.00 g
PUFA 22:5 n-3 (DPA)0.00 g
PUFA 22:6 n-3 (DHA)0.00 g
Cholesterol0.00 mg

FAQ

Is watermelon juice as healthy as eating the fruit?
Juicing removes most of the beneficial fiber found in the whole fruit, which helps regulate sugar absorption. While you still get vitamins and antioxidants, the juice has a more concentrated sugar impact than eating watermelon chunks.

How can I prevent watermelon juice from separating?
Natural separation is normal. Give it a good stir or shake before drinking. Using a high-speed blender and drinking it immediately will also help maintain a uniform texture.

Can I juice watermelon rind?
Yes, the white part of the rind is edible and can be juiced, often with ginger or lime. It adds a slightly more bitter, vegetal note and is a good way to reduce food waste.

Nutrient density (calculated · NRF9.3)

72
Excellent nutrient density
Nutrient Rich Foods index: beneficial nutrients (protein, fiber, vitamins, minerals) minus saturated fat, added sugar & sodium, per 100 kcal.

NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.

Weight-loss friendliness (composite index)

48
Moderate for weight loss
Energy density 0.30 kcal/g · 8% calories from protein · 0.4 g fiber · 6.2 g sugar per 100 g.

Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.

Dietary load (calculated from USDA values)

-2.0
Alkaline-forming — PRAL -2.0 mEq / 100 g
Potential renal acid load. Positive = acid-forming, negative = alkaline-forming.

Sodium-to-potassium ratio: 0.01 (lower is better — aim for ≤ 1)

Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.

Related foods

Watermelon, raw30 kcalSeeds, watermelon seed kernels, dried557 kcalWatermelon, seedless, rind only, raw19 kcal