It is good source of carbohydrate, moderate amount of protein, dietary fiber, Vitamin C and Beta-Carotene which converts into Vitamin A, B- vitamins and trace amounts of calcium, iron and potassium.

Green beans contain many essential vitamins, including folate. One cup of raw green beans contains 33 micrograms (mcg) of folate, almost 10 percent of the daily recommended value. Folate is a B vitamin that helps prevent neural tube defects and other birth defects.

Raw green beans are also a good source of vitamin C. One cup contains 12.2 mg, around 25 percent of the daily recommended value. Vitamin C is an antioxidant that helps boost your immune system. It’s also integral for the production of collagen and helps protect your skin from oxidative stress.

Some other vitamins in one cup of raw green beans include:

• vitamin K: 43 mcg
• thiamin: 0.1 mg
• niacin: 0.7 mg
• vitamin B-6: 0.14 mg
• vitamin E: 0.41 mg