Green peas contain a decent amount of heart-healthy minerals, such as magnesium, potassium and calcium. Diets high in these nutrients may be helpful for preventing high blood pressure, which is a major risk factor for heart disease (19, 20, 21). They may also have a positive effect on heart health.In addition, peas are a good source of dietary fiber, Vitamin A, iron, folate, thiamin, Vitamin C and manganese. They also have a high level of Vitamin K. One of the health benefits of green peas is blood sugar control. This is important for people with diabetes, but it also affects those who do not have this disease.