NOW Supplements, Melatonin, Extra Strength 10 mg, 100 Veg CapsulesHealthy Sleep Cycle Free Radical Scavenger Gastrointestinal Support GMP Quality Assured Vegetarian/Vegan Melatonin is a potent free radical scavenger naturally produced in the pineal gland and present in high amounts in the gastrointestinal tract.* It is involved in many of the body, brain, and glandular biological functions including regulation of normal sleep/wake cycles, regulation of the immune system, and maintenance of a healthy gastrointestinal lining.* Take 1 capsule near bedtime with water. Payment DetailsWe currently accept payment via PayPal only. Once payment is cleared, we will dispatch your shipment within 1-3 business days. Please refer to the "Shipping" tab for more information regarding shipping speed to your destination.Return PolicyAs our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. If you are not satisfied with your purchase, please contact us within 30 days of receiving your order to process a return.