This Aloe Vera supplement provides 25 mg of Aloe Barbadensis extract and promotes stomach and liver health. Safely and gently cleanses digestive lining and soothes digestive tract. 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. Gluten Free