US

Skin Supplements: the numbers

Everything below is computed from the 71 curated skin supplements we track - no estimates, no third-party data.

71Curated models
43Brands
★ 4.3Average Amazon rating
307,261Amazon ratings

How Amazon buyers rate them

The average Amazon rating across the category is ★ 4.3. Low-rated products with meaningful rating volume are dropped during curation, so the spread below reflects the survivors.

★ 4.6-5.0
4
★ 4.3-4.5
35
★ 4.0-4.2
26
Below ★ 4.0
6

Brand share of the curated catalog

dog
19 · 27%
PENPEN
3 · 4%
Petlab
3 · 4%
Vetnique
2 · 3%
Veterinary
2 · 3%
ZYMOX
2 · 3%
Vetericyn
2 · 3%
Paw
2 · 3%

Most-rated models

Where these numbers come from

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