The supplement market for horses is crowded, and the options can feel overwhelming. Every product promises results, but not every product is the right fit for every horse. Understanding what your horse actually needs, and what each category of supplement is designed to do, is the starting point for making smart decisions about your horse's program.
This guide breaks down the main supplement categories, what to look for within each, and how to think about building a program that supports your horse through training and competition.
Start With What Your Horse Is Telling You
Before reaching for a supplement, the most important step is observation. A horse that is losing topline, struggling to recover between training sessions, showing stiffness in the warm-up, or behaving differently at shows is giving you information. Supplements work best when they are targeted at a specific, identified need rather than added to a program as a general precaution.
That said, horses in regular work and competition have genuinely elevated nutritional demands compared to horses at pasture or in light work. As training and competition intensity increases, targeted supplementation becomes a practical part of supporting performance and longevity.
When in doubt, consult your veterinarian before starting a new supplement, particularly if your horse has an existing health condition or is receiving medication.
Joint Support
Joint health is one of the most common supplement categories for competition horses, and for good reason. The repetitive demands of training and showing place sustained stress on cartilage, synovial fluid, and the structures surrounding the joint. Proactive support is far easier than managing a joint problem after it develops.
Quality joint supplements provide the building blocks the body uses to maintain cartilage and synovial fluid, typically through ingredients like glucosamine, chondroitin, hyaluronic acid, and MSM. Some formulas also include plant-based anti-inflammatory compounds like Boswellia serrata, which supports comfort across the musculoskeletal system during periods of heavy work.
Global Medics Arti-Sport is one of the more comprehensive joint supplements available for sport horses, combining glucosamine, chondroitin, and hyaluronic acid with minerals, antioxidants, and Boswellia serrata. It is formulated for horses under significant athletic demand and is designed to produce a noticeable difference in movement quality.
For riders who prefer a plant-based approach, Cavalor Arti Matrix takes a different route, using a blend of botanical ingredients including turmeric, Boswellia, and Echinacea to support the musculoskeletal system.
Muscle Support
Muscle development and function are central to performance in any discipline. A horse cannot do its job well without the muscular strength and endurance to match the demands being placed on it. Supplementation in this category is most relevant for horses returning to work after time off, young horses being brought into work for the first time, or horses whose muscle development has plateaued despite consistent training.
Muscle supplements typically work by providing high-quality amino acids, which are the building blocks of muscle protein, alongside antioxidants that help manage oxidative stress produced during intense exercise. The combination supports both the development of muscle mass and the protection of existing muscle tissue.
Global Medics Muscle-Care is a well-formulated option in this category, featuring whey protein, essential amino acids including lysine and threonine, antioxidants, and L-carnitine to support energy metabolism. Cavalor Muscle Force takes a natural approach with essential amino acids, yeasts, probiotics, and a herbal blend designed to support sustained muscle development over time.
Stamina and Recovery
Horses competing across multiple days or in demanding classes need supplements that help them perform consistently and recover efficiently between efforts. Lactic acid accumulation is one of the primary causes of muscle fatigue during intense exercise, and supplements in this category are designed to delay that process and support faster clearance afterward.
Global Medics Lacta-Fort and Lactalyse both address this need, using beta-alanine and targeted B vitamins to support muscle endurance and reduce the buildup of waste products during exercise. Lactalyse is a liquid formula for easy administration and rapid absorption. Cavalor Energy Boost is a practical option for targeted support on competition days, formulated to support energy metabolism, reduce fatigue, and promote recovery.
For horses competing across multi-day events or intensive show schedules, Global Medics Top Competition Powder provides broad-spectrum support including endurance, muscle recovery, joint comfort, and immune function through a combination of antioxidants, vitamins, and herbs.
Tendon and Ligament Support
Tendons and ligaments are slow to receive nutrients due to their limited blood supply, which means they are also slow to recover from stress or injury. Supplementation in this category supports both the maintenance of healthy connective tissue and recovery following strain.
Global Medics Tendon-Care is formulated specifically for this purpose, combining collagen, MSM, vitamin C, chondroitin, and glucosamine to support healing and structural integrity in tendons and ligaments. It is appropriate both for horses recovering from injury and as a preventive measure for horses in heavy work.
Calming and Focus
A horse that trains well at home but becomes distracted, tense, or difficult to manage at shows is one of the most common challenges riders face. Calming supplements are not about sedation. They are about helping a horse regulate its stress response so that its training and natural behavior can come through in a competition environment.
Cavalor offers several options in this category depending on the horse's needs and the timeline of supplementation. Cavalor Calm is a daily supplement designed for horses that are generally high-strung or sensitive, using magnesium, L-tryptophan, and B vitamins to support a steadier baseline disposition. For acute situations, Cavalor Take It Easy Paste and Take It Easy Forte Paste are syringe-format options designed to be administered ahead of a specific stressful event like a show day or transport.
For horses that have not responded well to tryptophan-based calming products, Cavalor SoZen takes a different approach, targeting the hormonal stress response by supporting the balance between adrenaline and cortisol through a blend of plant-based adaptogens and magnesium.
Electrolytes
Sweating during exercise and transport depletes the minerals the body needs for proper muscle function, hydration, and recovery. Horses that are working hard, traveling frequently, or competing in warm conditions are particularly susceptible to electrolyte imbalance, which can manifest as sluggishness, reduced performance, or slow recovery.
Cavalor Electrolyte Balance is formulated to replenish these minerals efficiently before or after intense exercise, helping horses stay hydrated, recover more quickly, and maintain performance across demanding schedules.
Hoof Health
Hoof quality is one of the most visible indicators of a horse's overall nutritional status, and it is an area where targeted supplementation can make a meaningful difference over time. Biotin is the most well-known ingredient in this category, but the best hoof supplements pair it with a broader range of supportive nutrients.
Cavalor Hoof Aid Special provides a complete formula including biotin, MSM, B vitamins, zinc, copper, and amino acids including lysine and methionine, covering the full spectrum of nutrients required for healthy hoof development and quality.
Omega Fatty Acids
Omega fatty acids support a wide range of functions in the horse, from coat condition and skin health to digestive balance and immune support. They are one of the most versatile supplement categories and are appropriate for horses across all disciplines and workloads.
Cavalor OilMega is a liquid omega supplement providing omega-3, omega-6, and omega-9 fatty acids alongside vitamin E and medium-chain fatty acids that support gut flora and immune function. It is well-suited to daily use as part of a foundational nutrition program.
Building a Sensible Program
A well-designed supplement program addresses specific, identified needs without unnecessary overlap. More is not always better, and adding multiple supplements without a clear rationale can create redundancy, unnecessary expense, and in some cases imbalance.
Start with your horse's most pressing need, whether that is joint support for a horse with early stiffness, calming support for a horse that struggles at shows, or recovery support for a horse in a demanding competition schedule. Add one supplement at a time and allow enough time to assess the response before making further changes.
The brands carried at EQU, Global Medics and Cavalor, are both well-regarded in the performance horse world for formulating products with clear purposes and quality ingredients. Neither brand cuts corners on what goes into their products, which matters when you are asking a supplement to do real work in a serious competition program.
Shop Horse Supplements at EQU
Browse the full supplement selection from Global Medics and Cavalor at EQU Lifestyle Boutique. If you have questions about which product is the right fit for your horse's specific needs, our team is happy to help. Find us online or at a show near you.