Swanson NADH (Nicotinamide Adenine Dinucleotide) is a high-potency, naturally occurring coenzyme that plays a crucial role in cellular energy production. NADH helps support mental clarity, cognitive function, and overall vitality. This supplement provides your body with the energy it needs to power through your day. Feeling fatigued? Give yourself a powerful burst of all-day energy with Swanson Ultra NADH. NADH (nicotinamide-adenine-dinucleotide- hydride), a coenzyme derived from vitamin B3, may play an important role in cellular energy production. To put it simply, the more NADH a cell has, the more energy it can produce. In addition, NADH may aid the body's synthesis of vital neurotransmitters, making it especially helpful for fighting mental fatigue and for helping to maintain a positive outlook. It's a great source of energizing coenzyme nutrition to boost your mental and physical vitality.