Other
Glucosamine
Glucosamine is an amino sugar the body uses to build cartilage components. Supplements are usually made from shellfish shells or by fermentation.
Also listed as Glucosamine HCl, Glucosamine Hydrochloride
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
Why people take it
Bone & Joint23.5%
Essential Health22.9%
Longevity14.1%
Immune Support12.3%
Fitness8.2%
Energy6%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Chondroitin