Sugar
D-Ribose
D-ribose is a naturally occurring simple sugar and a building block of RNA and ATP. It has been studied for symptoms of fibromyalgia and chronic fatigue syndrome.
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each rating
What is D-ribose?
D-ribose is a naturally occurring sugar studied for symptoms of fibromyalgia and chronic fatigue syndrome. 1
Why people take it
Energy25.2%
Fitness19.4%
Essential Health14.4%
Cardiovascular12.9%
Cognition7%
Immune Support7%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.