1 serving (6 grams) contains 1 calories, 0.1 grams of protein, 0.0 grams of fat, and 0.2 grams of carbohydrates.
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Nutrition Information
Calories |
4 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 0 g | 0% | |
| Saturated Fat | 0 g | 0% | |
| Polyunsaturated Fat | 0 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 4 mg | 0% | |
| Total Carbohydrates | 0.8 g | 0% | |
| Dietary Fiber | 0.4 g | 1% | |
| Sugars | 0 g | ||
| protein | 0.4 g | 0% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 8 mg | 0% | |
| Iron | 0.4 mg | 2% | |
| Potassium | 40 mg | 0% | |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Food Attributes
Source of Calories
About Romaine lettuce leaf
Romaine lettuce is a type of crisphead lettuce originating in the Mediterranean region, often used in Caesar salads and wraps for its distinctive crunch and mild flavor. This leafy green is low in calories, with approximately 17 calories per 100 grams, making it a popular choice for low-calorie dishes. It is rich in water content (nearly 95%) and contains essential nutrients such as Vitamin A, Vitamin K, folate, and small amounts of potassium and magnesium. Its versatile texture and flavor make it suitable for a variety of cuisines such as Mediterranean and American.
Health Benefits
- Romaine lettuce is high in Vitamin A, supporting eye health and skin integrity.
- It contains Vitamin K, which is essential for proper blood clotting and bone health.
- Folate in romaine lettuce contributes to healthy cell development, especially important for pregnant individuals.
Dietary Considerations
Selection and Storage
Store romaine lettuce in the refrigerator in a perforated plastic bag and consume within 5-7 days. Wash leaves thoroughly before use to remove soil or debris.
Common Questions About Romaine lettuce leaf Nutrition
What is the nutritional content of romaine lettuce?
Romaine lettuce is low in calories, with about 8 calories per cup (47g). It contains 1g of protein, 1.5g of carbohydrates, and is rich in vitamin A and vitamin K, providing over 100% of the daily recommended intake for both in a single serving. It also offers small amounts of potassium and folate.
Is romaine lettuce compatible with keto or low-carb diets?
Yes, romaine lettuce is highly compatible with keto and low-carb diets due to its minimal carbohydrate content of only 1.5g per cup. It is also an excellent low-calorie option for adding bulk and nutrients to meals without disrupting carbohydrate limits.
What are the health benefits and concerns of eating romaine lettuce?
Romaine lettuce is a great source of antioxidants, including beta-carotene, and supports bone health with its high vitamin K content. However, like most leafy greens, there is a risk of contamination if not properly washed, so it's important to handle and store it safely to avoid foodborne illness.
How many servings of romaine lettuce should I eat per day?
A standard serving size of romaine lettuce is about 2 cups (85g), which contains roughly 15 calories. Including 2-3 servings of leafy greens like romaine lettuce in your daily diet can help meet nutrient needs and support overall health as part of a balanced diet.
How does romaine lettuce compare to other types of lettuce, such as iceberg?
Romaine lettuce is more nutrient-dense than iceberg lettuce. For example, it has significantly higher levels of vitamin A and vitamin K. Romaine also delivers a slightly more robust flavor and crunch, making it a better choice for salads and wraps if you aim to maximize nutritional benefits.
Data Sources & Scientific References
Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.
Additional Authoritative Sources:
Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.
About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.
