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Cosequin ASU Joint Supplement for HorsesNo. 1 in Supplements

Supplements · Cosequin

Cosequin ASU Joint Supplement for Horses

Cosequin ASU is a well-researched, veterinarian-recommended joint supplement that goes beyond basic glucosamine formulas by adding avocado/soybean unsaponifiables for deeper cartilage support.

9.2
9.2 / 10StirrupStreet editorial score
  • Supports cartilage & joint fluid
  • Vet-trusted ASU formula
  • Easy daily top-dress
Active Ingredients
Glucosamine HCl, Chondroitin Sulfate, ASU
Form
Flavored oral pellets
Container Sizes
1,050 g / 2,310 g

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Overview

What it is and who it suits

Cosequin ASU Joint Supplement stands out as one of the most trusted names in equine joint care, formulated specifically for horses that work hard under saddle, compete, or simply carry the wear and tear that comes with age and activity. Built on the proven Cosequin brand that veterinarians have recommended for decades, this particular formula goes beyond the standard glucosamine and chondroitin sulfate combination by incorporating ASU, or avocado/soybean unsaponifiables, a plant-derived ingredient studied for its ability to support cartilage health and help manage the normal inflammatory responses that occur in stressed joints. For riders who depend on their horses for consistent performance, whether in dressage arenas, jumping courses, trail rides, or ranch work, this added layer of joint support can make a meaningful difference in maintaining soundness and comfort over the long haul.

The supplement is typically offered in an easy-to-administer powder or granule form that mixes readily into a horse's daily grain ration, making it simple for owners and barn staff to incorporate into existing feeding routines without fuss or resistance from picky eaters. Each scoop delivers a carefully measured dose of FCHG49 glucosamine and TRH122 sodium chondroitin sulfate, the same pharmaceutical-grade ingredients found in the original Cosequin formula, now paired with ASU to create a more comprehensive approach to joint maintenance. Horse owners managing animals with early signs of joint stiffness, those recovering from intense training schedules, or senior horses showing the natural effects of years in work often turn to this product as a proactive step in a broader wellness plan that also includes proper turnout, conditioning, and veterinary oversight.

What makes Cosequin ASU particularly appealing within the horse riding and equestrian community is its reputation for quality control and manufacturing consistency, backed by Nutramax Laboratories, a company well known for rigorous testing standards and transparency in sourcing. Riders competing under tight regulations appreciate that the product is manufactured with careful attention to avoiding prohibited substances, giving competitors in sanctioned events peace of mind when supplementing their horses. Whether the goal is extending a beloved mount's comfortable working years, supporting a young performance horse through the physical demands of training, or simply investing in long-term joint health as part of routine care, this supplement has earned its place in tack rooms and feed rooms as a dependable, science-backed choice for equestrians who take their horse's mobility and longevity seriously.

Key features

What you get

  • Contains Avocado/Soybean Unsaponifiables (ASU) plus glucosamine and chondroitin sulfate
  • Supports normal cartilage structure and joint cushioning fluid
  • Pelleted, apple-flavored formula for easy top-dressing on feed
  • Manufactured under strict quality control by Nutramax Laboratories
  • Backed by over 20 years of equine joint research
  • Available in 1,050 g and 2,310 g resealable containers

Specifications

Cosequin ASU Joint Supplement for Horses specs

Active IngredientsGlucosamine HCl, Chondroitin Sulfate, ASU
FormFlavored oral pellets
Container Sizes1,050 g / 2,310 g
Daily Serving2 scoops (loading not required)
Target AnimalAdult and senior horses

Pros & cons

The good and the not-so-good

Why riders like it

  • Combines proven glucosamine/chondroitin with added ASU for enhanced joint support
  • Highly palatable pellets most horses accept readily mixed with grain
  • Trusted brand with extensive clinical research behind ingredients
  • Suitable for performance, show, and senior horses with joint stress
  • No loading dose required, simple daily maintenance level

Worth knowing

  • Premium price point compared to basic glucosamine-only supplements
  • Visible results may take 4-6 weeks of consistent feeding
  • Large container can be bulky for barns with limited storage
  • Not a substitute for veterinary treatment in advanced joint disease

Our verdict

9.2/10 · Cosequin ASU Joint Supplement for Horses

Cosequin ASU is a well-researched, veterinarian-recommended joint supplement that goes beyond basic glucosamine formulas by adding avocado/soybean unsaponifiables for deeper cartilage support. While it carries a higher price tag and requires patience to see results, owners of competition, trail, or aging horses consistently report improved mobility and comfort, making it a worthwhile long-term investment in joint health.

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