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Lemon (with peel) Calories
Vitamin C, fiber, antioxidants, with peel
CALORIES
GI
POTASSIUM
FIBER
Lemon (with peel) Nutrition Facts
Selected: 100 g
29
KCAL / 100G
Carbs
9.3g
· 84%
Protein
1.1g
· 10%
Fat
0.3g
· 6%
Fiber
2.8g
Lemon (with peel) Vitamins & Minerals
Vitamins
Vitamin C
53mg · 59% DV
B6
0.08mg · 5% DV
B5
0.19mg · 4% DV
B1
0.04mg · 3% DV
Minerals
Iron
1mg · 6% DV
Calcium
40mg · 4% DV
Potassium ⭐
138mg · 4% DV
Magnesium
10mg · 2% DV
Lemon (with peel) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Lemon (with peel) Processed?
NOVA 1
Unprocessed
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.
Does Lemon (with peel) Contain Allergens?
No known major allergens
Which Diets Is Lemon (with peel) Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Lemon (with peel) Fat Profile
SATURATED
0.04g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.03g
Omega 6:3 ratio 0.5:1
Below the ideal 4:1 — a good omega balance.
Foods Similar to Lemon (with peel)
Lemon (with peel) — Frequently Asked Questions
Is it safe to eat lemon with the peel?
Usually yes, but the peel should be washed very well because it may carry dirt, wax, or pesticide residues. Scrubbing the surface helps, especially if you plan to zest or eat it whole.
Why does lemon peel sometimes taste bitter?
The bitterness mainly comes from the white pith under the yellow skin. For a brighter flavor, use only the thin yellow outer layer when zesting.
How should whole lemons be stored?
Whole lemons keep longer in the refrigerator than at room temperature. If you have already zested or cut them, store them sealed to reduce drying and flavor loss.
Can lemon and lemon peel be frozen?
Yes, both the juice and the zest freeze well. Whole lemons can also be frozen, but once thawed they become softer and are best used for juice or cooking.
Does cooking reduce lemon’s benefits?
Prolonged heat can reduce heat-sensitive compounds such as vitamin C. The peel’s aromatic oils and the fruit’s acidity, however, still contribute flavor in cooked dishes.
What foods pair well with lemon?
Lemon works especially well with fish, salads, legumes, olive oil-based dishes, and yogurt sauces. Its acidity brightens flavor and can help support iron absorption in some meals.
Which is more flavorful: lemon juice or lemon zest?
Lemon zest is usually more intensely aromatic because many of the essential oils are in the outer peel. Lemon juice gives more sourness and freshness than deep citrus aroma.
Is eating lemon on an empty stomach a good idea?
Not for everyone. People with reflux, gastritis, mouth sores, or a sensitive stomach may find that its acidity makes symptoms worse.
Is lemon okay to eat at night?
For most people, yes. But if you are prone to heartburn or reflux, eating acidic foods close to bedtime may be uncomfortable.
Does lemon really 'alkalize' the body?
That claim is overstated. Lemon can be part of a healthy diet, but it does not meaningfully override the body’s tightly regulated pH balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.