Edamame is high in protein and fiber and contains antioxidants. It is also rich in vitamin K, soy protein, and fiber. Soy protein has been shown to lower cholesterol, triglycerides, and a risk for heart disease. Although it is considered a healthy protein source, soybeans can cause digestive issues in cats if they are not cooked. In addition, cats should only consume small amounts of raw soybeans and consider them as a treat.