NADH: biologically known as Coenzyme 1, is the reduced form of nicotinamide adenine dinucleotide (NAD) with high energy hydrogen (H) which provides energy to the cell.

NADH is necessary for thousands of biochemical reactions within the body and is found naturally in every living cell.

It plays a key role in the energy production of cells, particularly in the brain and central nervous system. The more NADH a cell has available, the more energy it can produce to perform its process efficiently.

Also, it stimulates cellular production of the neurotransmitters Dopamine, Noradrenaline, and Serotonin, and improves mental clarity, alertness and concentration. It's directly involved in the body’s cellular immune defensive system and the more NADH in your body the better the DNA repair system functions.

It is sometimes used in therapy for people who have chronic fatigue syndrome.

It is also used by people who use hallucinogens and/or empathogens the day after because it greatly helps reduce brain fog.

It is rather expensive, in North America at least. For more information, see http://www.iherb.com/iherb/nadh.html or http://www.iherb.com/iherb/nadh.html