Douglas Labs – Melatonin PR$34.00 Melatonin 3 mg prolonged-release tablet Douglas Labs - Melatonin PR quantity Add to cart Add to wishlistAdd to compare Melatonin PR provides all of the benefits of Melatonin in a convenient prolonged-release tablet. Indications Delayed sleep phase disorder, shift-work or jet lag SKU: 10028 Category: Brain, Mood & Sleep Tags: Douglas Labs, Sleep Share this product