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.
Comparing protein in lettuce vs chicken breast. The amount of protein in chicken breast is 31 g per 100g.As protein percentage of the RDA this is 62 %. Comparing with Lettuce, red leaf, raw, in 100g contains 1.33 g of protein. As a percentage of the RDA this is 2 %. Therefore, chicken breast has 29.67 g more protein than Lettuce, red leaf, raw. In terms of protein percentage this is 2231 % more protein.