US

Joint Supplements: the numbers

Everything below is computed from the 92 curated joint supplements we track - no estimates, no third-party data.

92Curated models
52Brands
★ 4.5Average Amazon rating
412,073Amazon ratings

How Amazon buyers rate them

The average Amazon rating across the category is ★ 4.5. Low-rated products with meaningful rating volume are dropped during curation, so the spread below reflects the survivors.

★ 4.6-5.0
40
★ 4.3-4.5
45
★ 4.0-4.2
6
Below ★ 4.0
1

Brand share of the curated catalog

Nutramax
16 · 17%
VETRISCIENCE
6 · 7%
Glucosamine
5 · 5%
VetIQ
3 · 3%
Hip
3 · 3%
YuMOVE
3 · 3%
MOVOFLEX
2 · 2%
Greenies
2 · 2%

Most-rated models

Where these numbers come from

Counts, ratings, and rating totals are pulled from the curated joint supplements catalog on every build - the same data behind the Joint Supplements category page. Junk listings and no-name brands are filtered out before anything is counted. Product data: last refreshed aug 4, 2026.