Check the listing for details. Swanson Melatonin 500 Mcg 60 Veggie Capsules. Condition: New. Listed at 6.66 USD. As the hormone primarily responsible for regulating our sleep/wake cycles, melatonin plays an important role in our ability to get the restful, restorative sleep we need for healthy body and mind. That's why many people rely on supplemental melatonin to maintain a regular sleep schedule. But melatonin is powerful stuff, and for some people, a little is all they need to give their sleep patterns a slight adjustment. Our low-potency option from Swanson Melatonin features 500 mcg of melatonin in each veggie capsule, enabling more precise supplementation so you can get the amount that's right for you.Supports restful, restorative sleepPromotes a normal sleep scheduleLow-potency formula of 500 Mcg (0.5 mg) per servingVegetarianPer GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.