REAL NAD+ is the only product available that contains the active from of NAD+ that has been clinically proven to increase NAD+ levels. REAL NAD+ is specially formulated as an Ez-Melt tablet so that NAD+ availabilty for absorption begins in the mouth thus bypassing any issues in the gut. Each bottle contains a 30 day supply, 150mg of NAD+ per Ez-Melt Tablet.Gluten Free.Non-GMO and contains no animal byproducts. For maximum benefit, each REAL NAD+ Ez-Melt tablets should be dissolved in the mouth every 8-12 hour. No Water Needed.