Fresh Lemon (Raw Peeled)
Fresh Fruits & Berries · 10 specs
Direct Answer
Per 100g peeled lemon fruit, it provides 29 kcal, 9.32g carbohydrates (2.8g fiber / 2.5g sugars / 6.5g net carbs), 1.1g protein, 0.3g fat, 53.0mg Vitamin C, and 5.0g citric acid with an ultra-low Glycemic Index of 20.
Source: USDA FoodData Central (NDB# 09150) · Last reviewed Aug 28, 2026
Specs
| Energy / Calories | 29 kcal (121 kJ) kcal |
| Carbohydrates | 9.32 g (Net Carbs: 6.52 g) g |
| Dietary Fiber | 2.8 g g |
| Total Sugars | 2.50 g (Extremely low sugar) g |
| Protein | 1.10 g g |
| Total Fat | 0.30 g g |
| Potassium | 138 mg mg |
| Vitamin C | 53.0 mg (88% DV) mg |
| Glycemic Index (GI) | 20 (Near-Zero Glycemic Impact) |
| Water Content | 89.0 % % |
5% Citric Acid Content & Kidney Stone Prevention
Lemon juice contains approximately 48 g/L (5% w/v) of natural citric acid (E330). Ingesting diluted lemon juice elevates urinary citrate levels, binding free calcium to inhibit calcium oxalate kidney stone crystallization.
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