Lunasin is a soy peptide that exhibits health promoting characteristics. Scientific evidence indicates that Lunasin is a key component in soy protein responsible for its cholesterol-lowering properties. Lunasin is a unique, 43 chain amino acid peptide found within soybeans. Recent research and development surrounding this soy peptide focuses on promotion of healthy cholesterol levels. In addition to lunasin exhibiting cholesterol lowering properties, research shows it also has cancer preventive properties.