nad

noun1

1. •
   noun animate dependent

noun1

1. •
   Initialism of nicotinamide adenine dinucleotide.

   • Numerous studies have shown restoring NAD+ levels safely improves overall health and increases life span in yeast, mice and dogs. — 2022

phrase1

1. •
   Initialism of nothing abnormal (or no abnormality) discovered (or detected).