HealthAugust 17, 2026

riboside

RYE-boh-side

Definition

A specific type of sugar-based compound found in certain NAD+ precursor supplements, used by the body to help synthesize NAD+.

Etymology

The term is a chemical portmanteau derived from 'ribose' (a sugar) and the suffix '-side' (denoting a glycoside), referring to a molecule where a base is attached to a ribose sugar.

In the news

The article mentions nicotinamide riboside (NR) as an oral precursor supplement that people take to increase NAD+ levels, despite limited scientific evidence of its efficacy.

Is the hype around NAD+ infusions overblown? A geneticist weighs in

Read the full article ↗

Vogue Adria

Related words

adenine

A chemical compound that serves as one of the four essential building blocks of DNA and…

Health

aldosterone

A steroid hormone produced by the adrenal glands that helps regulate blood pressure by…

Health

alopecia

The clinical term for hair loss or baldness, specifically used here to describe the…

Health

antimony

A brittle, silvery-white chemical element often found in trace amounts in the…

Health

cardiomegaly

A medical condition characterized by an abnormal enlargement of the heart.

Health

cardiorenal

Relating to both the heart and the kidneys.

Health

Learn words like this every day

Meet new words every morning.

Newspoken pulls carefully chosen words from the day’s news — with clear definitions, context, and light review that makes them stick. Get it on your phone.