Unfortunately, aging is an inescapable fact of life. We will all eventually undergo the effects of age and feel the cruel hand of time. Some of these unavoidable effects include wrinkled skin, brain deterioration, slower metabolism and fatigue. But what if we told you there was a miracle coenzyme that could help slow down this dreaded natural process? Luckily, there is! Keep reading to learn more about the remarkable coenzyme called nicotinamide adenine dinucleotide (NAD) that already exists in your body!