These substances cause excessive amounts of water to remain in the stool, leading to diarrhea. Certain foods (such as some fruits and beans) and sugar substitutes in dietetic foods, candy, and chewing gum (for example, hexitols, sorbitol, and mannitol) can cause osmotic diarrhea.
The four most common types of green lettuce -- green leaf, romaine, butterhead and iceberg -- have 13 to 17 calories in 100 grams, which is about a 1/2-cup serving of shredded lettuce. They deliver 1 gram of protein, or about 2 percent of the recommended daily intake.
Red and green leaf lettuce is more nutritional than iceberg. I like to put romaine lettuce in my green smoothies. 10 Health Benefits: 1. Low Calorie Content and Almost Zero Fat. Lettuce has only 12 calories for one shredded cup. This is why it is so good for weight loss.2. like to put romaine lettuce in my green smoothies. 10 Health Benefits: 1. Low Calorie Content and Almost Zero Fat. Lettuce has only 12 calories for one shredded cup. This is why it is so good for weight loss. 2.