Our Co-Q 10 provides you with 100 mg Coenzyme Q10 per capsule. Co-Q 10 provides cardiovascular support and plays a vital role in cellular energy production. For additional formula information, view the Supplement Facts panel. All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose GMPs (Good Manufacturing Practices) are independently verified by qualified certification organizations. Free of artificial colors, flavors and preservatives, Windmill is a trusted name that has been providing America with quality supplements for over 40 years.