Butterhead lettuce is a vegetable that is grown year-round, particularly from January to July. Its head is an attractive yellow color and is characterized by a high water content, representing 95% or more of its composition. This means it is not only a hydrating food but also aids in the manufacturing of cells and in the elimination of waste from the body through the kidneys. Butterhead lettuce is notable for its richness in antioxidants, primarily due to its vitamin C content, which is essential for the immune system. Additionally, it is an important source of vitamin K, which plays a vital role in blood coagulation and in the formation of red blood cells, with the greener leaves containing a higher concentration of this vitamin. It is also known for its high folate (vitamin B9) content, crucial for pregnant women and for preventing anemia. The vitamin A present in lettuce contributes to improved visual health, helps fight infections, and supports bone development. It is a food with low caloric content and high in fiber, which makes it an ideal ally for weight loss diets. In conclusion, butterhead lettuce is essential in a balanced and healthy diet.