Pure Red Yeast Rice is the product of yeast (Monascus purpureus) containing several compounds collectively known as monacolins, substances that have been shown by clinical studies to support healthy blood lipids. Pure Red Yeast Rice is grown in the US and it is USDA certified organic. Testing has confirmed that there are undetectable levels of the undesirable citrinin in our Pure Red Yeast Rice, and substantial levels of naturally occurring monacolin compounds, especially monacolin K. Pure Red Yeast Rice may support the health of the arterial lining and help reduce oxidative stress and inflammation. Made with non GMO ingredients. Vegetarian capsules.