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Now Pets, UC-II® Advanced Joint Mobility for Dogs and Cats, Veterinarian formulated, Help…

  • Joint Supplement
4.3/ 5 on Amazon170Amazon ratings1,000+bought last month2.7ProductDome score
Limited evidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou specifically want a UC-II collagen joint chewable for a dog or cat

A UC-II collagen chewable for dogs and cats seeking cartilage support, though the listing offers little detail beyond the core ingredient and tablet count.

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ProductDome scorecard

How it ranks among the 92 joint supplements we track

2.7/ 5ProductDome scoreLimited evidence
Owner satisfaction · 56% of scorecategory median 4.5★4.3

4.3★ across 170 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 1,600 ratings2.8

170 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score4.1

1,000+ bought on Amazon last month.

Data quality · 11% of score2.5

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 92 joint supplements we track - how the scorecard works · full joint supplements data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

A chewable joint supplement for dogs and cats built around UC-II, an undenatured type II collagen ingredient marketed to support cartilage and connective tissue. Comes as 60 tablets, 60 grams total, per bottle.

UC-II is a specific collagen form used as an alternative or complement to glucosamine-based joint supplements, and it is the ingredient the product's name is built around. Beyond the title, this listing carries no attribute data or seller description, so details like dosing per weight or flavor are not available here.

  • UC-II undenatured type II collagen
  • Chewable tablet format
  • 60 tablets per bottle (60 grams)
  • For dogs and cats

Who it's for

Owners of dogs or cats looking specifically for a UC-II collagen joint product. It is a poor fit for anyone who needs a full ingredient list or dosing guidance to compare before buying, since none is provided in this listing.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • UC-II collagen is a distinct joint-support ingredient
  • Chewable tablet, no mixing required
  • Marketed as veterinarian formulated
What to check first
  • No ingredient list or dosing detail provided
  • No seller description to confirm flavor or feeding instructions
  • No review data available

Performance notes

The product is described as veterinarian formulated and structured around UC-II, aimed at helping maintain cartilage and connective tissue. It comes as 60 chewable tablets totaling 60 grams, meant to be given directly rather than mixed with food.

Specifications

BrandNOW
Model4324

How it compares

This product against the closest alternatives we track in joint supplements.

ProductAmazon ratingRatingsProductDome score
Now Pets, UC-II® Advanced Joint Mobility for Dogs and Cats, Veterinarian formulated, Help…This product4.3 / 51702.7 / 5
Nutramax Cosequin for Dogs Joint Health SupplementNutramax4.7 / 579,0174.6 / 5
VetriScience Extra Strength Hip & Joint Supplement for DogsVETRISCIENCE4.6 / 58,9744.6 / 5
VetIQ Maximum Strength Hip & Joint Supplement for Dogs 90 Soft Chews with Glucosamine MSM…VetIQ4.6 / 529,8004.5 / 5
Senior Hemp Hip and Joint Supplement for DogsSenior4.5 / 510,2004.5 / 5
Frequently asked

Questions about the NOW 4324

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What is UC-II?

Undenatured type II collagen, the joint-support ingredient this product's name and title are built around.

How many tablets come in a bottle?

60 chewable tablets, totaling 60 grams.

Is it made for cats or dogs?

Both, the title lists it for dogs and cats.