Naka NMN NAD Booster  - Helps to support the body's ability to metabolize nutrients. NMN is a NAD+ precursor which helps to support biological functions which play a key role in the maintenance of good health. It is a factor in normal growth and development and is an important cofactor in energy metabolism and tissue formation. Source of an antioxidant that helps protect (cell) against (cell damage caused by) free radicals.