Identify gaps in your horse's nutrition program to optimize their well-being.
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.
Stride HA (TRM)
Stride HA from TRM is a liquid supplement which supports healthy cartilage and joints in horses. Stride HA contains added hyaluronic acid, glucosamine HCL, chondroitin sulfate and MSM to support healthy joints.
SU-PER Anti-Oxidant Powder (Gateway Products)
SU-PER Anti-Oxidant Powder by Gateway Products is an anti-oxidant supplement anti-oxidant to support general health, energy production, and immune response for horses under stress or recovering from illness.
SU-PER Bug Away Powder (Gateway Products)
SU-PER Bug Away Powder by Gateway Products is a horse supplement that contains apple cider vinegar to deter biting insects, omega 3 fatty acids to help skin and coat health, and diatomaceous earth to help discourage insect breeding in manure.
SU-PER GastroShield Powder (Gateway Products)
SU-PER GastroShield Powder by Gateway Products is a gut supplement meant to soothe the stomach from gastric acid upset. This supplement is for horses with a history of gastric ulcers or those at risk of developing gastric issues.
SU-PER LaminAid Powder (Gateway Products)
SU-PER LaminAid Powder by Gateway Products is a circulation supplement designed for horses suffering from laminitis/founder or at risk. This supplement helps to increase blood flow, support inflammatory responses, and provide nutrients to damaged tissues.
SU-PER MSM Blend Liquid (Gateway Products)
SU-PER MSM Blend Liquid by Gateway Products is a liquid supplement to support healthy joint mobility. It helps with stiffness and discomfort and supports a normal response to inflammation associated with exercise.
SU-PER MSM Blend Powder (Gateway Products)
SU-PER MSM Blend Powder by Gateway Products is a liquid supplement to support healthy joint mobility. It helps with stiffness and discomfort and supports a normal response to inflammation associated with exercise.
SU-PER MSM Ultra Pure Powder (Gateway Products)
SU-PER MSM Ultra Pure Powder by Gateway Products is a liquid supplement to support healthy joint mobility. It helps with stiffness and discomfort and supports a normal response to inflammation associated with exercise.
SU-PER PowerFlex H.A. Powder (Gateway Products)
SU-PER PowerFlex H.A. Powder by Gateway Products is a joint supplement containing antioxidants, joint nutrients, and hyaluronic acid. This supplement also helps to support the structural integrity of connective tissues.
SU-PER Rejuven8 NOW Paste (Gateway Products)
SU-PER Rejuven8 NOW Paste by Gateway Products is a supplement that supports metabolism, hydration, muscle, and anti-oxidant action. This supplement includes key amino acids to support optimal recovery.
SU-PER Sound Liquid (Gateway Products)
SU-PER Sound Liquid by Gateway Products is a supplement to support joint, ligament, and tendon health. This supplement contains glucosamine, MSM, and bromelain to help maintain healthy joint function.
SU-PER Sound Plus Powder (Gateway Products)
SU-PER Sound Plus Powder by Gateway Products is a supplement to support and maintain healthy joint function, and it aids the structural integrity of connective tissues. This supplement contains elevated levels of MSM, hyaluronic acid, and chondroitin sulphate.
SU-PER Sound Powder (Gateway Products)
SU-PER Sound Powder by Gateway Products is a supplement to support joint, ligament, and tendon health. This supplement contains glucosamine, MSM, and bromelain to help maintain healthy joint function.
SU-PER suBstitUTE Liquid (Gateway Products)
SU-PER suBstitUTE Liquid by Gateway Products is a supplement containing a blend of herbs, including devil’s claw, MSM, and yucca extract. This supplement provides both anti-inflammatory functions and pain relief.
SU-PER suBstitUTE Powder (Gateway Products)
SU-PER suBstitUTE Powder by Gateway Products is a supplement containing a blend of herbs, including devil’s claw, MSM, and yucca extract. This supplement provides both anti-inflammatory functions and pain relief.
Superflex (NAF Equine)
Superflex from NAF Equine is intended to support joint and cartilage health in horses and ponies. This supplement contains glucosamine, hyaluronic acid, MSM, and chondroitin sulphate.
Superflex Liquid (NAF Equine)
Superflex Liquid from NAF Equine is intended for any horse or pony that would benefit from extra support to their joints. This supplement contains glucosamine, MSM, Chondroitin Sulphate, and hyaluronic acid.
Superflex Senior (NAF Equine)
Superflex Senior from NAF Equine is intended for senior horses and ponies. This supplement is meant to support joint health. Superflex Senior also contains spirulina which can be beneficial to respiratory health.
Support One (Pureform)
Pureform Support One is an equine supplement formulated to support joint, bone, and immune health. It contains Glucosamine, MSM, amino acids, complete vitamins, trace minerals, and anti-oxidants.
Suspensory Saver (Figuerola Laboratories)
Suspensory Saver by Figuerola Laboratories is a natural supplement designed to support tendon and ligament health. Formulated with collagen, MSM, and vitamin C, it helps promote cellular integrity and supports recovery.
Synergy Compete (SEB Equine)
Synergy Compete by SEB Equine is a supplement intended to support overall health in performance horses.
Tie Up Event Pak (Peak Performance Nutrients)
Tie Up Event Pak by Peak Performance Nutrients is a sodium-bicarbonate-free powdered supplement that supports proper electrolyte balance and excess lactic acid buildup. It contains nutrients such as potassium, magnesium, and thiamine.
TNT For Horses (Dynamite Equine)
TNT For Horses from Dynamite Equine is a pelleted equine supplement. TNT For Horses is intended to support overall equine health. This supplement contains 18% protein and 8% fat.
Total Control (Finish Line)
Total Control by Finish Line is a horse supplement containing ingredients to support gut health, joints, hooves, coat quality and red blood cells. It provide electrolytes as well as vitamins and minerals.
Total Impact II (CEP)
Total Impact II by CEP is a powdered joint supplement designed for all working classes of horses. It is formulated with hyaluronic acid, glucosamine, MSM, turmeric and chondroitin sulfate.
Total Joint Care Performance (Ramard)
Total Joint Care Performance from Ramard is a joint supplement that is meant to reduce joint inflammation, to support tissues, ligaments, and tendons, as well as assist in the support and cushioning of joints during exercise.
Total Nutrition (PharmaSolute)
PharmaSolute Total Nutrition is a powdered supplement for horses and ponies. It contains vitamins, minerals, and ingredients to support joint health.
Total Tendon Repair (Ramard)
Total Tendon Repair from Ramard is a supplement that is supposed to aid in tendon and ligament strength and support. It is also meant to help with the recovery process and decrease inflammation.
Total Wellness (KER)
Total Wellness is a supplement from Kentucky Equine Research. This supplement contains ingredients such as MSM, Biotin, and Glucosamine intended to promote joint health, and coat quality in horses.
Tough as Nails (Tribute)
Tribute Tough As Nails is a pelleted horse supplement formulated to support hoof growth. It contains biotin, calcium, iodine, organic minerals and the amino acid methionine.
Tri-Acta H.A. (Integricare)
Tri-Acta H.A. is a joint supplement containing Glucosamine, Chondroitin, MSM, and Hyaluronic Acid. It is advertised to support collagen production and cartilage regeneration.
Tri-Acta H.A. Equine (Integricare Animal Health)
Tri-Acta H.A. Equine is an equine supplement containing glucosamine, chondroitin, MSM, and hyaluronic acid. This product is formulated to support joint health. It is ideal for mature horses and performance horses.
Trifecta (Horse Guard)
Trifecta from Horse Guard is a powdered vitamin, mineral, hoof, and joint supplement with added prebiotics and probiotics. It contains glucosamine, MSM, and hyaluronic acid to help with joint support. Trifecta also contains added iron and 32 mg of biotin per serving.
Turmeric 2X (MVP)
Turmeric 2X by MVP is a powdered turmeric supplement that intends to support the immune system, inflammatory response and neuro function. It also contains MSM may lessen the inflammation.
U-7 Gastric Aid (Finish Line Horse Products)
This equine supplement from Finish Line Horse Products is meant to support digestive health and the health of the foregut and hindgut.
Ulsus (Peak Performance Nutrients)
Ulsus by Peak Performance Nutrients is a powdered gut supplement designed for horses with low hay intake, stall bound and fed processed feeds. It intends to support normal acid production and mucus production.
Ultimate Balancer (Dodson & Horrell)
Ultimate Balancer by Dodson & Horrell is a low-calorie ration balancer with the added benefits of hoof support and digestive support. This supplemental feed includes ingredients such as vitamin and mineral premix, yeast, and herbs added for antioxidants.
Ultra-Flex (Univet®)
Ultra-Flex is a chondroitin sulfate, glucosamine sulfate, and MSM joint supplement that has added manganese, zinc, and copper. This product also supports the renewal of articular cartilage in joints.
UltraCruz Equine Advanced Joint Supplement (Santa Cruz Animal Health)
UltraCruz Equine Advanced Joint Supplement is a pelleted joint supplement containing glucosamine, MSM, chondroitin sulfate, and hyaluronic acid. It has added vitamins and minerals as well as molasses for flavouring.
UltraCruz Equine Joint Supplement (Santa Cruz Animal Health)
UltraCruz Equine Joint Supplement is a soy-free joint formula for horses. It contains chondroitin sulfate, glucosamine, hyaluronic acid, and MSM. This supplement is designed to support joint, tendon, and ligament health.
UltraCruz Equine MSM (Pellet) (Santa Cruz Animal Health)
UltraCruz Equine MSM pellet is a joint health supplement for horses. It contains 21 grams of MSM per 76 gram serving. MSM is a source of the mineral sulfur, which is important for connective tissue.
UltraCruz Equine MSM (Powder) (Santa Cruz Animal Health)
UltraCruz Equine MSM powder is a joint health supplement for horses. It supplies 21 grams of MSM per serving. MSM is a source of organic sulfur, which plays an important role in connective tissue.
UltraCruz Equine Senior Joint Supplement (Santa Cruz Animal Health)
UltraCruz Equine Senior Joint Supplement is a pelleted joint supplement containing glucosamine, MSM, chondroitin sulfate, and hyaluronic acid. This supplement can support the structural integrity of joints and connective tissue.
Veteran Supplement (NAF Equine)
Veteran Supplement from NAF Equine is intended for senior horses and ponies. This supplement is meant to support digestive health and provide micronutrient that are essential for overall health.
Vitatude Senior (Hestevard)
Vitatude Senior by Hestevard is a liquid mineral and vitamin supplement intended to support overall health in senior horses and ponies.



















