Nicotinamide riboside, or niagen, is an alternative form of vitamin B3, also called niacin.

Like other forms of vitamin B3, nicotinamide riboside is converted by your body into nicotinamide adenine dinucleotide (NAD+), a coenzyme or helper molecule.

NAD+ acts as fuel for many key biological processes, such as (1Trusted Source, 2Trusted Source):

Converting food into energy
Repairing damaged DNA
Fortifying cells’ defense systems
Setting your body’s internal clock or circadian rhythm

However, the amount of NAD+ in your body naturally falls with age (3Trusted Source).

Low NAD+ levels have been linked to health concerns like aging and chronic illnesses, such as diabetes, heart disease, Alzheimer’s disease and vision loss (1Trusted Source).

Interestingly, animal research has found that raising NAD+ levels may help reverse signs of aging and lower the risk of many chronic diseases (4Trusted Source, 5Trusted Source, 6Trusted Source).

Nicotinamide riboside supplements - such as niagen - have quickly become popular because they appear to be especially effective at raising NAD+ levels (7Trusted Source).

Nicotinamide riboside is also found in trace amounts in cows’ milk, yeast and beer (8Trusted Source).

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Anti-Aging Health Supplement Nicotinamide Riboside Powder For Repairing damaged DNA CAS 1341-23-7