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Rich in vitamin C, low-calorie, aromatic citrus ingredient
In season: Winter · Spring
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 tablespoon (grated) of Lemon juice and zest (15 g) has 4 calories. That works out to 29 calories per 100 g. It contains 1.4 g of carbs, 0.2 g of protein, 0 g of fat and 0.4 g of fiber. Its 8 mg of Vitamin C covers 9% of the Daily Value. Its glycemic index is 20 (low), so it raises blood sugar slowly.
Selected: 1 tablespoon (grated) · 15 g
4
KCAL / 15G
Carbs
1.4g
· 1% DV
Protein
0.2g
· 0% DV
Fat
0g
· 0% DV
Fiber
0.4g
· 1% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 88% · Protein 13% · Fat 0%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 4 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0.01 g | 0% |
| Trans fat | 0 g | |
| Sodium | 0.3 mg | 0% |
| Total carbohydrate | 1.4 g | 1% |
| Fiber | 0.4 g | 1% |
| Protein | 0.2 g | 0% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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| Serving | Amount | Calories |
|---|---|---|
| 1 tablespoon (grated) | 15 g | 4 kcal |
| 1 teaspoon (grated) | 5 g | 1 kcal |
| 1 serving (small) | 10 g | 3 kcal |
| 1 piece (quarter) | 14.5 g | 4 kcal |
| 1 serving (medium) | 20 g | 6 kcal |
| 1 piece (half) | 29 g | 8 kcal |
| 2 tablespoon (grated) | 30 g | 9 kcal |
| 1 serving (large) | 40 g | 12 kcal |
| 1 piece (whole) | 58 g | 17 kcal |
| 100 g | 100 g | 29 kcal |
Calculated from 29 calories per 100 g.
Lemon juice provides tartness and liquid, while lemon zest is the thin, fragrant outer peel and adds concentrated citrus aroma. They are not interchangeable: replacing one with the other can change both a recipe’s flavor and its texture.
Use a fine grater lightly over the yellow surface, turning the lemon as you go. Stop once the bright outer peel is removed; the white layer underneath tastes bitter and is not what a recipe means by lemon zest.
Yes. Freeze lemon juice separately in ice-cube trays and keep zest in a small airtight container or freezer bag. Separating them makes it easier to take only what a recipe needs, and both can be added to dishes after thawing.
Yes. Rinse and scrub the lemon under running water, then dry it before zesting or cutting. The peel is used directly, so cleaning the surface matters; washing does not guarantee removal of every residue.
No, not on its own. Zest gives a strong lemon aroma but does not provide the juice’s acidity or liquid. Use zest when you want citrus fragrance; use juice when the recipe needs tartness.
They can add fresh lemon flavor, but they are not a direct one-for-one substitute for lemon extract. Juice adds liquid and acidity, while zest adds aromatic peel; adjust the recipe carefully if its liquid balance matters.
Yes, lemon zest is edible when it comes from a lemon that has been washed well. Use only the colored outer peel for a fragrant, less bitter result, and add it to dressings, salads, yogurt, or other dishes.
Discard lemon juice if it develops mold, an unusual smell, or an unexpected change in appearance. Zest that smells stale, looks moldy, or has become damp and discolored should also be thrown away; keep both covered and refrigerated.
Lemon juice can slow browning because its acidity limits the oxidation that darkens cut apples. Toss the slices with a little juice soon after cutting; zest adds aroma but does not provide the same protective effect.
Yes. Lemon juice brightens a sauce, while zest adds a fragrant citrus finish. Stir the juice into the sauce and add finely grated zest near the end of cooking so its aroma stays fresh.
Vitamins
Vitamin C
7.95mg · 9% DV
B6
0.01mg · 1% DV
B5
0.03mg · 1% DV
B1
0.01mg · 1% DV
Minerals
Copper
0.01mg · 1% DV
Potassium ⭐
21mg · 1% DV
Iron
0.09mg · 1% DV
Calcium
3.9mg · 0% DV
Sodium
0.3mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 4 calories in 1 tablespoon (grated) (15 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Lemon juice and zest combine the tangy juice of a lemon with finely grated yellow peel. The juice adds sharp acidity, while the zest brings fragrant citrus oils; grating only the coloured outer layer helps avoid the bitterness of the white pith.
Across many cuisines, the juice brightens dressings, fish, soups and marinades, while zest is common in cakes, biscuits and other desserts. It also works well stirred into sauces or sprinkled over vegetables just before serving. This aromatic ingredient is low in calories and provides vitamin C, though it is usually used in small amounts. For a gentler flavour, add the juice gradually and taste as you go.
High
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 2
Minimally Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
No known major allergens
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
0.01g
MONOUNSATURATED
0g
POLYUNSATURATED
0.01g
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Nutrition data compiled from USDA FoodData Central and scientific sources.