Soybeans, which are also known as soya beans, are a species of legume that have become one of the most widely consumed foods in the world. They are extremely useful for human health. They are produced in greatest numbers in the United States and South America, but they are actually native to East Asia. Nutrition Facts: Protein Minimum: 38% Fat Minimum: 18% Minimum one year. Dry beans will keep indefinitely if stored in a dry place. Cooking time will increase as beans age beyond one year.