Introduction What is NADH Therapy? NADH (Nicotinamide Adenine Dinucleotide Hydride) therapy is a treatment to increase cellular energy production and alleviate the signs of aging. NADH is a coenzyme found naturally in the body and plays an important role in energy production. NADH therapy supports overall health and vitality by increasing energy production at the cellular level. Biological Role of NADH NADH is central to cellular energy production.