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Methylsulfonylmethane (MSM) - Feed Ingredient
Methylsulfonylmethane (MSM) is a naturally occurring sulfur compound commonly used as a joint supplement in equine supplements and feeds. It is a source of sulfur, which is essential for the formation of connective tissues, hooves, skin, and joint cartilage.
MSM is primarily used as an antioxidant to support joint health and reduce inflammation. It helps combat oxidative stress, which can contribute to joint degradation, muscle soreness, and slow recovery in performance horses or aging equines.
The following equine feeds, supplements and products contain Methylsulfonylmethane (MSM) as an ingredient.
Feeds, Supplements & Products
MSM – Methylsulfonylmethane (Mad Barn)
MSM is a readily available form of the mineral sulfur. It is beneficial for supporting healthy connective tissue, recovery, and hoof and joint health. MSM from Mad Barn also helps to relieve arthritic pain and sore muscles. It is considered very safe as a supplement for horses.
Joint 6-in-1 Pellets (Formula 707)
Joint 6-in-1 by Formula 707 is a pelleted supplement intended to support the joints of competition horses or horses that need joint support.
Joint Aid Plus (GWF Nutrition)
Joint Aid Plus is a pelleted joint supplement that is intended to maintain joints regardless of age, size, and level of workload. It is meant for horses and ponies.
Joint Combo Hoof & Coat (Horse Health Products)
Joint Combo Hoof & Coat from Horse Health Products is a pelleted 3-in-1 supplement. This supplement contains ingredients intended to support joint, hoof and coat health.
Joint RLF: Liquid Joint Supplement (Blue Chip Feed)
Joint RLF: Liquid Joint Supplement from Blue Chip Feed contains hyaluronic acid, glucosamine, and organic MSM. It was designed to support joint health. This liquid supplement is intended for performance and senior horses and ponies.
Joint Support (Dodson & Horrell)
Joint Support from Dodson & Horrell is a pelleted supplement that supports the musculoskeletal system in horses and ponies. This supplement contains glucosamine, MSM, and herbs such as mint and basil.
Joint Support (Krafft)
Joint Support by Krafft is a supplement intended to help maintain joint health and mobility in senior and performance horses. It contains MSM, glucosamine and chondroitin sulfate.
Joint+ (Enviro Equine)
Joint+ by Enviro Equine is a joint supplement intended to support healthy joints, connective tissue and overall mobility in horses of all ages.
JointSaver (Figuerola Laboratories)
JointSaver by Figuerola Laboratories is a joint supplement designed to support joint and connective tissue health. It is formulated with glucosamine, chondroitin, MSM, and hyaluronic acid.
Kalm N EZ GC Plus (Tribute)
Kalm 'N EZ GC Plus is a pelleted complete feed with added glucosamine, chondroitin sulfate, and methylsulfonlymethane (MSM). It contains 14% crude protein, 8% crude fat and an NSC of 13.5%.
Kalm Performer GC Plus (Tribute)
Tribute Kalm Performer is a pelleted complete feed intended for mature horses on high protein forages like alfalfa hay. It is a corn-free formula with steam-crimped grains to support digestibility. It provides 24% NSC.
Karaflex Pellet (Biopteq)
Karaflex Pellet from Biopteq is a supplement meant to assist in joint health. It is a source of vitamins and minerals, and it aims to help with flexibility, mobility, and cartilage health.
Kentucky Solution (Equine America)
Kentucky Solution from Equine America is a supplement that is meant to support joint health. It is also intended to assist with inflammation from exercise and cartilage health.
KER-Flex (Kentucky Equine Research)
KER-Flex from Kentucky Equine Research is a powdered joint supplement for horses in all levels of work. KER-Flex contains chondroitin sulphate, MSM, hyaluronic acid and glucosamine HCl intended to support joint health in horses.
Lami Light Feed Balancer (Blue Chip Feed)
Lami Light Feed Balancer from Blue Chip Feed contains biotin to support hoof health, antioxidants to support immunity, and garlic to support the respiratory system. This balancer is intended for all horses and ponies.
Laminaze (NAF Equine)
Laminaze by NAF Equine is a powdered joint supplement that contains mint, ginger, and magnesium oxide. It intends to provide gut support and maintain hoof health.
Laminex (MVP)
Laminex by MVP is a pelleted supplement meant to help support healthy joint function, blood sugar levels, and hoof growth. It contains MSM, magnesium, biotin, and devil's claw.
Legacy Pellets (Select The Best)
Legacy Pellets by Select The Best is a pelleted supplement that intends to provide support for joints, connective tissue and soft tissue. It contains glucosamine HCI, MSM, chondroitin sulphate, and yucca.
Liquid Motion (AniMed)
Liquid Motion from AniMed is a liquid supplement that aims to provide nutrients to help with joint health, structure, and function. It also helps with connective tissue health and contains antioxidants.
LQ-HA+ (DAC)
LQ-HA+ by DAC is a liquid bone and joint supplement. It is formulated with MSM, hyaluronic acid, and glucosamine to support overall joint health and mobility.
LubriSyn HA (LubriSyn)
LubriSyn HA is a joint health supplement for horses. It provides 150 mg of sodium hyaluronate and 0.3 grams of MSM per 30 mL serving.
Majesty’s Flex HA Wafers (Majesty’s Animal Nutrition)
Majesty's Flex HA Wafers are meant to support joint health in horses. It contains glucosamine, MSM, chondroitin sulfate, yucca extract, ascorbic acid, and sodium hyaluronate.
Mare Support (Pureform)
Mare Support is a vitamin/mineral supplement formulated for horses on a grass-based diet. It contains glucosamine and MSM for joint health, B-vitamins, organic microminerals and vitex agnus-castus (chasteberry).
Mega-FLX + HA (Spectra)
Mega-FLX + HA is an equine supplement intended for targeting joint and muscle health. This liquid formulation contains vitamins, and minerals as well as MSM and hyaluronic acid.
Mega-MSM (Select The Best)
Mega-MSM by Select The Best is a pelleted joint supplement that contains MSM blended with rice bran. Mega - MSM supplies 10 000mg of MSM.
Mobility Balancer (Horslyx)
Mobility Balancer from Horslyx is designed to support joint health and mobility and hoof health. This balancer is intended for active horses of all ages, specifically performance and senior horses.
MSM (Hestevard)
MSM by Hestevard is a pure MSM supplement intended to support the cartilage, tendons and joints of all horse types.
MSM (NAF Equine)
MSM from NAF Equine is a single ingredient supplement that is intended to support joint and connective tissue health. MSM contains sulfur which is meant to benefit soft tissue, tendons, and ligaments.
MSM (Select The Best)
MSM by Select The Best is a powdered supplement that provides joint support to horses. Methylsulfonylmethane (MSM) is often used for joint support in performance horses.
MSM EQ (Durvet)
MSM EQ by Durvet is a 99% pure MSM supplement intended to support healthy joint function in horses and dogs.
MSM Plus (Herbs for Horses)
MSM Plus by Herbs for Horses is a pelleted supplement that contains glucosamine, vitamin C, vitamin E, and yucca extract, which intends to support healthy joint function. It has no fillers and is compliant with FEI rules.
MSM Plus Joint Supplement (Herbs for Horses)
Herbs for Horses MSM Plus is a joint supplement containing methylsulfonylmethane (MSM), glucosamine, vitamin C, natural vitamin E, yucca extract, zinc, copper, and manganese.
MSM Powder (The Mill)
MSM Powder from The Mill is a powdered source of organic sulphur for horses. This supplement is intended to reduce inflammation and stiffness in horses.
MSM Pure (Cox Vet Lab)
MSM Pure from Cox Vet Lab is a supplement intended to help support joint health. MSM Pure is ideal for mature and performance horses who require joint support.
MSM+Ester-C Pellets (MVP)
MSM+Ester-C Pellets by MVP is a supplement for horses that intends to support connective tissue and ease discomfort. It contains ingredients such as MSM and Ester-C®.
Multiflex (Multivet USA Inc)
Multiflex is an equine joint supplement providing glucosamine, chondroitin, MSM, hyaluronic acid, vitamin C and trace minerals involved in maintaining connective tissue. It provides 3750mg of Glucosamine Sulfate per serving.
MVP Matrix 5+ H/A Pellets (MVP)
MVP Matrix 5+ H/A Pellets by MVP is a supplement for horses that intends to help support joint function. It is palatable with apple flavouring and contains glucosamine, hyaluronic acid, chondroitin sulphate, and MSM.
NaviculaSaver (Bursitex)
NaviculaSaver from Bursitex is an all-natural nutraceutical intended to support navicular health. This supplement contains glucosamine, MSM, and hyaluronic acid intended to promote joint health in horses.
NaviculaSaver (Figuerola Laboratories)
NaviculaSaver by Figuerola Laboratories is a bone supplement. It is formulated with glucosamine, chondroitin, MSM, and hyaluronic acid.
Next Level Joint (liquid) (Farnam)
Next Level Joint by Farnam is liquid supplement that contains glucosamine, chondroitin, perna mussel and MSM. The recommended feeding rate is 1 - 2 oz per day.
Next Level Joint (pellet) (Farnam)
Next Level Joint by Farnam is pelleted supplement that contains glucosamine, chondroitin, perna mussel and MSM. The recommended feeding rate is 1 oz (30 grams) per day.
Optimum Flex Plus (DAC)
Optimum Flex Plus by DAC is a powdered joint supplement designed to support joint health and mobility. Its formula includes MSM, glucosamine, and chondroitin sulfate.
PEDIcare (Herbs for Horses)
PEDIcare is a pelleted joint supplement for horses formulated with glucosamine, chondroitin, MSM, vitamin E and C, and an antioxidant blend. This feed is ideal for all horses and ponies but in specific horses on turnout where powdered supplements may be lost.
Perfectly Senior Horse Summer Pellet (Kruse’s Perfection Brand)
Perfectly Senior Horse Summer Pellet by Kruse's Perfection Brand is a pelleted feed that is intended to be fed to senior maintenance, performance, and breeding horses. This feed is meant to be fed as a complete feed or supplemented with hay or pasture equivalent.
Perfectly Senior Horse Winter Pellet (Kruse’s Perfection Brand)
Perfectly Senior Horse Winter Pellet by Kruse's Perfection Brand is a feed that intends to be fed to senior maintenance, performance, and breeding horses either as a complete feed or supplemented with hay or pasture equivalent.
Performance Balancer (Dodson & Horrell)
Performance Balancer is a performance feed meant to be fed as a low intake feed or alongside another feed. This feed provides the vitamins and minerals to support joint care, a higher level of biotin for hoof support, and yeast for a healthy hindgut.
Performance One (Pureform)
Performance One is a concentrated supplement for performance horses providing glucosamine, MSM, creatine, amino acids, vitamins, trace minerals and electrolytes.
Pivot (Equi-lete)
Pivot by Equi-lete is a pelleted joint supplement intended to support cartilage health in all horse types.
Platinum Joint Care + HA (Platinum Performance)
Platinum Joint Care + HA from Platinum Performance is a supplement intended to support joint health. It contains hyaluronic acid which aims to maintain synovial fluid in joints.
Premium MSM (Peak Performance Nutrients)
Premium MSM by Peak Performance Nutrients is a powdered supplement to support joint health in horses. It contains pure MSM, which intends to strengthen tendons, ligaments and joint tissues.
Pro V.M. with EFAs (Peak Performance Nutrients)
Pro V.M. with EFAs by Peak Performance Nutrients is a vitamin, mineral, amino acid & probiotic supplement designed with race horses in mind. It intends to support the extreme demands on the horse’s joints, immune system and digestive system.



















