Lemon
Categories
| Macros | per 100 g |
|---|---|
| Calories | 29 kcal |
| Protein | 1.1 g |
| Fat | 0.3 g |
| Carbs | 5.4 g |
Lemon is a sour citrus fruit typically eaten raw in small quantities rather than whole, most often used as juice, zest, or slices to season dishes, dressings, marinades, and drinks across many cuisines. Per 100 g, raw lemon provides 29 kcal, 1.1 g of protein, 0.3 g of fat, 5.4 g of carbohydrates, and 3 g of dietary fibre, with relatively low sugars at 2.5 g — reflecting its characteristically tart flavour. It is a notable source of vitamin C at 53 mg per 100 g, and also contributes 160 mg of potassium and 13 mcg of folate. No glycemic index value is available, likely because lemons are rarely consumed in quantities large enough to affect blood glucose. Compatible with vegan, vegetarian, gluten-free, keto, paleo, Mediterranean, and low-FODMAP dietary patterns.
How many calories in a lemon?
Raw lemon contains 29 kcal per 100 g. A whole medium lemon weighs around 100–120 g, though the edible portion (flesh and juice) is typically closer to 50–60 g, putting a squeezed lemon at roughly 15–18 kcal.
How much vitamin C is in a lemon?
Lemon contains 53 mg of vitamin C per 100 g, which is a substantial amount for a fruit of this caloric density. The juice of one medium lemon (around 50 ml) delivers approximately 25–30 mg of vitamin C.
Is lemon keto-friendly?
Yes, lemon is considered keto-compatible. With only 5.4 g of carbohydrates and 2.5 g of sugars per 100 g, and given that typical usage involves small amounts of juice or zest, the carbohydrate contribution per serving is minimal.
Diets
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Macros · per 100 g
| Macros | Amount |
|---|---|
| Calories | 29.0 kcal |
| Protein | 1.1 g |
| Fat | 0.30 g |
| Carbs | 5.4 g |
| Sugars | 2.5 g |
| Fiber | 3.0 g |
| Starch | 0 g |
| Fats breakdown | Amount |
|---|---|
| Saturated | 0.010 g |
| Monounsaturated | 0.010 g |
| Polyunsaturated | 0.089 g |
| Trans | 0 g |
| Omega-3 | 0.030 g |
| Omega-6 | 0.060 g |
| Cholesterol | 0 mg |
| Minerals | Amount |
|---|---|
| Calcium | 35.0 mg |
| Iron | 0.60 mg |
| Magnesium | 9.0 mg |
| Phosphorus | 12.0 mg |
| Potassium | 160 mg |
| Sodium | 5.0 mg |
| Zinc | 0.13 mg |
| Copper | 0.050 mg |
| Manganese | 0.030 mg |
| Selenium | 0.70 mcg |
| Iodine | 0.30 mcg |
| Vitamins | Amount |
|---|---|
| Vitamin A | 3.0 mcg |
| Retinol | 0 mcg |
| Vitamin C | 53.0 mg |
| Vitamin D | 0 mcg |
| Vitamin E | 0.20 mg |
| Vitamin K | 0 mcg |
| Thiamin (B1) | 0.043 mg |
| Riboflavin (B2) | 0.020 mg |
| Niacin (B3) | 0.20 mg |
| Pantothenic acid (B5) | 0.23 mg |
| Vitamin B6 | 0.080 mg |
| Folate (B9) | 13.0 mcg |
| Vitamin B12 | 0 mcg |
| Choline | 5.1 mg |
