Edamame is a young soy bean that is harvested early. It contains complete protein, calcium, vitamin C, and other key nutrients. They are naturally gluten-free and low in calories, they contain no cholesterol, and they are an excellent source of protein, iron, and calcium. They can be an important source of protein for those who follow a plant-based diet. The beans are high in healthy polyunsaturated fats, especially omega-3 alpha-linolenic acid.