Lettuce

 Lettuce is a green, crunchy and refreshing vegetable. It has many nutritional benefits, since brings the following advances your health if you eat it:

• Improvement of eye health and also night vision (since lettuce contains a great quantity of Vitamin A).
• Prevention of bone fractures and blood clotting (since it has a lot of Vitamin K and also calcium).
• The health of your immune system (since it has Vitamin C)
• Reduction of your blood pressure (because of the presence of potassium in it).