Sleep Soundly Melatonin provides 3.5 mg of liquid Melatonin with every serving size of 2 mL.</br>Pack of three 2oz bottles</br></br>Product Description</br></br>All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose GMPs (Good Manufacturing Processes) are independently verified by qualified certification organizations.</br><br/>http://www.amazon.com/gp/product/B002VPEE7M