How Much Protein Is In Red Leaf Lettuce?

FoodData Central Updated 6 April 2026

Red Leaf Lettuce is a vegetable that is very low in calories.

Protein per leaf outer (17g)

0.2

g

% Daily Value

0%

Complete Nutrition Facts for Red Leaf Lettuce

Per leaf outer (17g)

0.1g

sugar

Essential Amino Acids in Red Leaf Lettuce

Per leaf outer (17g)

3mg

Histidine

6mg

Isoleucine

12mg

Leucine

8mg

Lysine

3mg

Methionine

11mg

Phenylalanine

8mg

Threonine

4mg

Tryptophan

8mg

Valine

See the full amino acid profile of Red Leaf Lettuce →

More About Red Leaf Lettuce

About Protein in Red Leaf Lettuce

A serving of Red Leaf Lettuce (17g) contains 0.2g of protein, which is 0% of the recommended daily value based on a 2,000 calorie diet.

Protein is essential for building and repairing tissues, making enzymes and hormones, and supporting immune function. When planning your meals, consider that red leaf lettuce is a low source of protein compared to other vegetables.

Compare Protein in Similar Foods

See how Red Leaf Lettuce compares to other vegetables.

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Source: USDA FoodData Central | FDC ID: 168431 | Last updated: 2026-04-06

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Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.