Reference for the terminology you will meet across NAD products.
NAD / NAD+
Nicotinamide adenine dinucleotide. A coenzyme present in all living cells. NAD+ is the electron-accepting form.
NADH
The same molecule carrying electrons. NAD+ and NADH interconvert continuously.
NMN
Nicotinamide mononucleotide. A precursor the body can convert into NAD.
NR
Nicotinamide riboside. Another precursor, via a different route.
Precursor
A compound the body converts into another compound.
Coenzyme
A non-protein helper molecule an enzyme needs in order to function.
Sublingual
Under the tongue. A route of administration, not a claim.
Bioavailability
The measured proportion of a substance reaching circulation in usable form.
Novel food
An ingredient without significant UK consumption history before May 1997, requiring authorisation.
Authorised health claim
A claim permitted on the GB register, tied to a nutrient at a qualifying amount.
Certificate of analysis
A document from a laboratory reporting what testing found for a specific batch.
Proprietary blend
Several ingredients declared under one combined weight, concealing individual amounts.