Soy protein is a high-quality plant-based protein derived from soybeans. It contains all nine essential amino acids, making it a complete protein source. This makes it a popular choice for vegetarians and vegans looking to meet their protein needs. In addition to its protein content, soy protein is low in saturated fat and cholesterol-free. It is often found in various food products, including protein powders, bars, and meat alternatives, providing a versatile option for those seeking healthier dietary choices.