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Lemon water Calories
Refreshing, low calorie, source of vitamin C
In season: Spring · Summer
CALORIES
GI
POTASSIUM
FIBER
Quick answer
1 cup (medium) of Lemon water (240 g) has 12 calories. That works out to 5 calories per 100 g. It contains 3.8 g of carbs, 0.2 g of protein, 0 g of fat and 0.2 g of fiber. Its 19.2 mg of Vitamin C covers 21% of the Daily Value. Its glycemic index is 20 (low), so it raises blood sugar slowly.
What is Lemon water?
Lemon water is made by adding fresh lemon juice or slices to plain water. It is a simple drink rather than lemonade, and can be served still or sparkling, chilled with ice or at room temperature. Many people enjoy it with meals or keep a jug in the fridge for an easy, citrusy drink throughout the day.
Its flavour is clean and tart, with the intensity depending on how much lemon you add. Mostly water and very low in calories, it also provides some vitamin C. For a lighter drink, skip added sugar; cucumber or mint makes a refreshing pairing.
Lemon water Nutrition Facts
Selected: 100 g
5
KCAL / 100G
Carbs
1.6g
· 1% DV
Protein
0.1g
· 0% DV
Fat
0g
· 0% DV
Fiber
0.1g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 94% · Protein 6% · Fat 0%
Lemon water Vitamins & Minerals
Vitamins
Vitamin C
8mg · 9% DV
B1
0.01mg · 1% DV
B2
0.01mg · 1% DV
B6
0.02mg · 1% DV
Minerals
Calcium
5mg · 1% DV
Iron
0mg · 0% DV
Magnesium
1mg · 0% DV
Zinc
0mg · 0% DV
How Nutritious Is Lemon water?
Nutrient density
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
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.
Lemon water Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Lemon water
To burn the 5 calories in 100 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.
Is Lemon water Processed?
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.
Does Lemon water Contain Allergens?
No known major allergens
Which Diets Is Lemon water 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 water Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Compare Lemon water
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Frequently Asked Questions About Lemon water
Does lemon water help you lose weight?
No, lemon water does not directly cause weight loss or burn fat. Choosing it instead of a sugary drink can reduce calorie intake, but adding lemon to water does not create a special fat-burning effect.
Is lemon water good for you?
Yes, lemon water can make it easier to drink enough fluids and provides some vitamin C from the lemon. The amount depends on how much lemon you use, and it is not a cure or a substitute for a varied diet.
Does lemon water detox your body?
No, lemon water does not detoxify the body or flush out toxins. Your liver and kidneys handle waste removal; lemon water is simply a flavored drink that can contribute to your fluid intake.
Can lemon water damage your teeth?
Yes, frequent exposure to lemon water’s acid can wear down tooth enamel over time. Drink it in one sitting rather than sipping all day, rinse your mouth with plain water afterward, and wait before brushing.
Can lemon water cause heartburn or acid reflux?
Yes, its acidity can trigger heartburn or worsen reflux symptoms in some people. If you notice discomfort after drinking it, reduce the lemon or stop; anyone managing reflux with medication should ask their clinician for individual advice.
How do you make lemon water less bitter?
Use fresh lemon juice rather than leaving slices to steep for a long time; the white pith and peel can make lemon water taste bitter. Wash the fruit before slicing, remove any seeds, and adjust the lemon to taste.
Can lemon water replace plain water?
Yes, lemon water counts toward fluid intake, but it does not need to replace all your plain water. Keep it unsweetened if you want a simple flavored option, and choose plain water if citrus bothers your teeth or stomach.
Is hot lemon water better than cold lemon water?
No, hot lemon water has no proven health advantage over cold lemon water. Use whichever temperature you enjoy; very hot water is unnecessary, and lemon added to boiling water does not make the drink more effective.
Can you drink lemon water before bed?
Yes, you can drink lemon water before bed, but it may aggravate heartburn in people sensitive to citrus. A large drink right before lying down can also mean a nighttime bathroom trip, so have it earlier if that bothers you.
How long does homemade lemon water last in the fridge?
Homemade lemon water is best used within about a day when kept covered in the refrigerator, especially if it contains lemon slices. Discard it sooner if it develops an unusual smell or appearance, and do not leave it out for hours.
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Nutrition data compiled from USDA FoodData Central and scientific sources.