Our Apple Cider Vinegar provides 376 mg of apple cider vinegar standardized to 5% acetic acid per capsule. Apple Cider vinegar may help support healthy blood pressure and glucose level which contributes to weight management.? 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.