Soybeans also provide minerals, including calcium, magnesium, potassium, and zinc, and a number of protective phytochemicals. They allow for the production of certain hormones that regulate muscle contraction and cell growth. Linoleic and linolenic are essential fatty acids that help the body absorb nutrients. Soybeans contain healthy polyunsaturated fats such as linoleic and linolenic. Soybeans also contain all eight soy protein powder essential amino acids, the building blocks of proteins. Unlike other protein sources, however, soybeans are cholesterol free and contain only sparse amounts of saturated fat. The quality of soybean protein is also very high, comparable to proteins found in milk or meat.