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Lettuce Calories
Low calorie, source of vitamin K
CALORIES
GI
POTASSIUM
FIBER
Lettuce Nutrition Facts
Selected: 100 g
15
KCAL / 100G
Carbs
2.9g
· 61%
Protein
1.4g
· 29%
Fat
0.2g
· 10%
Fiber
1.3g
Lettuce Vitamins & Minerals
Vitamins
Vitamin K
126.3µg · 105% DV
Vitamin A
370µg · 41% DV
Folate
38µg · 10% DV
Vitamin C
9.2mg · 10% DV
Minerals
Iron
1mg · 6% DV
Potassium ⭐
194mg · 6% DV
Calcium
36mg · 4% DV
Phosphorus
29mg · 4% DV
Lettuce Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Lettuce 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 Lettuce Contain Allergens?
No known major allergens
Which Diets Is Lettuce Good For?
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
Lettuce Fat Profile
SATURATED
0.02g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.1g
Omega 6:3 ratio 0.7:1
Below the ideal 4:1 — a good omega balance.
Foods Similar to Lettuce
Lettuce — Frequently Asked Questions
How many calories are in lettuce?
Lettuce has 15 calories per 100 grams. That makes it a very low-calorie vegetable.
Is lettuce high in protein?
No, lettuce is not high in protein. It provides 1.4 grams of protein per 100 grams.
How many carbs are in lettuce?
Lettuce contains 2.9 grams of carbohydrates per 100 grams. This is a relatively low amount.
Is lettuce keto-friendly?
Yes, lettuce is listed as compatible with keto. Its 2.9 grams of carbs per 100 grams also support that fit.
Does lettuce contain fiber?
Yes, lettuce provides 1.3 grams of fiber per 100 grams. It can add bulk to meals while staying light in calories.
What is the glycemic index of lettuce?
The glycemic index of lettuce is 15. This is considered low.
Is lettuce fattening?
Lettuce is very low in calories and fat, with 15 calories and 0.2 grams of fat per 100 grams. Based on these values, it is a very light food choice.
Is lettuce vegan and gluten-free?
Yes, lettuce is listed as compatible with vegan and gluten-free diets. It is also suitable for vegetarian, paleo, and Mediterranean eating patterns.
Is lettuce processed or unprocessed?
Lettuce is classified as unprocessed. That means it is in its natural, whole-food form.
Is lettuce good for low-glycemic eating?
Yes, lettuce can fit low-glycemic eating because its glycemic index is 15. It is also low in carbohydrates at 2.9 grams per 100 grams.
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Nutrition data compiled from USDA FoodData Central and scientific sources.