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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)
Hoof HealthHoof Health
JointsJoints
RecoveryRecovery
Skin + HairSkin + Hair
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.
10:10 Joint Support (TopSpec)
AntioxidantAntioxidant
Competition HorsesCompetition Horses
JointsJoints
MuscleMuscle
10:10 Joint Support from TopSpec contains MSM, glucosamine, chondroitin, and hyaluronic acid to support joint health. This caramel-flavoured supplement is ideal for performance, senior, and pleasure horses.
4-In-1 (Meal) (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 by MVP is a premixed supplement for horses to that intends to support joint function, hoof growth, hair coat and digestive function. It contains glucosamine, chondroitin sulphate, biotin, omega 3 & 6, and probiotics.
4-In-1 H/A Joint Supplement (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 H/A Joint Supplement by MVP is a pelleted supplement that combines vitamins, minerals, and probiotics. It intends to support joint function, hoof growth, hair coat, and digestive system.
5-In-1 H/A (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
5-In-1 H/A by MVP is a pelleted 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.
Acti-Flex (Cox Vet Labs)
ExerciseExercise
JointsJoints
NutrientsNutrients
RecoveryRecovery
Acti-Flex is a liquid pina colada flavoured joint supplement containing chondroitin, glucosamine, MSM and hyaluronic acid. It is formulated to support connective tissue in horses.
Acti-Flex Powder (Cox Vet Lab)
ExerciseExercise
JointsJoints
RecoveryRecovery
SeniorSenior
Acti-Flex Pellets is a supplement intended to support joint health in horses of all ages and work levels. It contains chondroitin, glucosamine, MSM, and HA.
Acti-Flex Senior (Cox Vet Lab)
FatFat
JointsJoints
ProbioticProbiotic
Weight IssuesWeight Issues
Acti-Flex Senior is a supplement intended to support joint health. It also contains extra fat and probiotics to help support gut health. Ideal for mature horses prone to stiffness and discomfort.
Air-Way EQ (MVP)
HealthHealth
ImmunityImmunity
RespiratoryRespiratory
VitaminsVitamins
Air-Way EQ by MVP is a pelleted supplement that is intended to help maintain normal histamine levels in horses with seasonal allergies. It contains ingredients that are meant to support healthy lungs and the immune system.
Aleria (Arenus Animal Health)
AntioxidantAntioxidant
HealthHealth
ImmunityImmunity
RespiratoryRespiratory
Aleria from Arenus Animal Health is a powder immune supplement. This supplement is intended to support respiratory and immune function in horses.
Alfalfa Support (Pureform)
AntioxidantAntioxidant
JointsJoints
Mineral BalanceMineral Balance
VitaminsVitamins
Pureform Alfalfa Support is a vitamin/mineral supplement designed for horses on diets containing high levels of alfalfa hay. It is suitable for all life stages and includes ingredients for joint health, such as glucosamine and MSM.
Align (OE Nutraceuticals)
Gut HealthGut Health
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Align is a vitamin and mineral supplement intended for performance horses. It contains prebiotics and probiotics which are meant to support gut health.
All in One (Herbs for Horses)
Gut HealthGut Health
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
All in One from Herbs for Horses is intended to be a complete supplement for horses. All in One is intended to improve digestion, and rebuild muscle. This supplement contains added vitamins and minerals.
All-In-One Supplement (Extreme Equine Supplements)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
NutritionNutrition
VitaminsVitamins
All-In-One Supplement by Extreme Equine Supplements is a comprehensive vitamin and mineral formula designed to support overall health and development in horses.
AllStar (Forefront Equine)
DigestionDigestion
HealthHealth
HerbHerb
JointsJoints
AllStar is a supplement intended to support normal health of horses and ponies of all ages and work levels. AllStar contains MSM, colostrum, prebiotics, and probiotics.
AniFlex Complete (AniMed)
AntioxidantAntioxidant
HealthHealth
JointsJoints
NutrientsNutrients
AniFlex Complete is a complete joint supplement. It contains antioxidants and chondroitin which is a major component of cartilage. This supplement aims to support joint and connective tissue health in horses.
AniFlex Crumblet (AniMed – Plateau)
AntioxidantAntioxidant
HealthHealth
JointsJoints
NutritionNutrition
AniFlex Crumblet is a petite pellet supplement that is easy to feed with high palatably. It aims to support joint health in horses.
AniFlex GL (AniMed)
Bone HealthBone Health
HealthHealth
JointsJoints
NutrientsNutrients
AniMed's AniFlex GL powdered supplement is supposed to support joint structure and function, connective tissue strength, and bone health.
ASU Equine Powder (Cosequin)
ExerciseExercise
IngredientIngredient
JointsJoints
RecoveryRecovery
Cosequin ASU is a joint health supplement for horses that contains glucosamine, MSM, chondroitin sulfate and avocado/soybean unsaponifiables.
ASU Joint & Hoof Pellets (Cosequin)
HealthHealth
Hoof HealthHoof Health
JointsJoints
PerformancePerformance
ASU Joint & Hoof Pellet from Cosequin is a pelleted joint and hoof health supplement. This supplement contains ingredients such as biotin, copper, and zinc which are intended to support hoof and joint health.
Biomax HA (Basic Equine Nutrition)
AntioxidantAntioxidant
JointsJoints
Mineral BalanceMineral Balance
NutrientsNutrients
Biomax HA is an equine joint health supplement. Each serving provides 100 mg of hyaluronic acid, 10 grams of MSM, 5 grams of natural Vitamin C, and 0.3 grams of Zinc. This supplement supports elasticity and cushioning required to withstand stress.
BioMAX Plus (Sierra Gold)
Amino AcidAmino Acid
JointsJoints
Mineral BalanceMineral Balance
RecoveryRecovery
BioMAX Plus from Sierra Gold is a supplement that contains glucosamine and chondroitin. It is intended to support joint health, and recovery from injuries or competition.
Biotex-80 (Hestevard)
Hoof HealthHoof Health
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
VitaminsVitamins
Biotex-80 by Hestevard is a sugar-free powdered hoof supplement intended to support hoof growth and strength in horses and ponies.
Biotin Hoof Blast (Horse Guard)
Hoof HealthHoof Health
NutrientsNutrients
NutritionNutrition
VitaminsVitamins
Biotin Hoof Blast by Horse Guard is a supplement intended to support hoof health in horses.
Biotin Plus (NAF Equine)
HealthHealth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Biotin Plus from NAF Equine is intended for all horses and ponies at any work level. This supplement is meant to support hoof health and contains biotin, MSM, and zinc.
Bleeder Event Pak (Peak Performance Nutrients)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
HerbHerb
PerformancePerformance
Bleeder Event Pak by Peak Performance Nutrients is a powdered horse supplement that provides pre-event support for normal lung function and health. It contains ingredients such as rutin, hesperidin, and yunnan paiyao.
Blitz! Pak (Peak Performance Nutrients)
ElectrolyteElectrolyte
HerbHerb
Mineral BalanceMineral Balance
VitaminsVitamins
Blitz! Pak by Peak Performance Nutrients is a vitamin and mineral supplement which is intended to be provided before a horse event. It contains electrolytes, amino acids, and a blend of herbs.
BLK (NAF Equine)
Blood CellsBlood Cells
HealthHealth
ImmunityImmunity
YeastYeast
BLK from NAF Equine is intended for all horses and ponies. This supplement is meant to support the liver and kidneys to help detoxify the horse's body.
Bone + Joint (Bluebonnet Feeds)
AntioxidantAntioxidant
Bone HealthBone Health
GrowthGrowth
JointsJoints
Bone + Joint by Bluebonnet Feeds is a supplement intended to support tendon, bone, cartilage, and joint health in growing, performance and senior horses.
C-500 Joint Safe Guard (Royal Horse)
HealthHealth
ImmunityImmunity
JointsJoints
NutritionNutrition
C-500 Joint Safe Guard from Royal Horse is a pelleted joint supplement. C-500 Joint Safe Guard is intended for older horses with joint issues. This supplement contains MSM & glucosamine intended to promote joint health.
Calphormin (TRM)
Calphormin from TRM is a pelleted mineral supplement for horses containing trace minerals and amino acids to support the normal growth and maintenance of bones.
CJ (Platinum Performance)
ExerciseExercise
JointsJoints
Omega 3-6-9Omega 3-6-9
RecoveryRecovery
CJ by Platinum Performance is an equine joint supplement for performance and senior horses. Active ingredients include avocado-soy unsaponifiables (ASU), MSM, glucosamine, hyaluronic acid, and Boswellia serrata extract.
Combined 4-Way (Equerry’s)
DigestionDigestion
JointsJoints
Skin + HairSkin + Hair
VitaminsVitamins
Combined 4-Way by Equerry's is a powdered supplement that intends to support digestive, hoof, coat and joint health in senior or performance horses.
Combo Senior Pellets (Leg Up Equine)
HealthHealth
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Combo Senior Pellets from Leg Up Equine is a pelleted supplement for senior horses. It is meant to provide joint, hoof, skin and coat, and digestive support. It contains vitamins, minerals, and omega 3s.
Complete Joint (Equithrive)
Competition HorsesCompetition Horses
IngredientIngredient
JointsJoints
PerformancePerformance
Complete Joint from Equithrive is a pelleted equine joint supplement. Complete Joint is formulated with glucosamine hydrochloride, chondroitin sulphate and hyaluronic acid.
Complete Plus HA (Basic Equine Nutrition)
Amino AcidAmino Acid
Hoof HealthHoof Health
JointsJoints
NutrientsNutrients
Complete Plus HA is an equine joint supplement that provides a combination of minerals, vitamins and nutraceuticals. It contains hyaluronic acid, MSM, glucosamine, biotin, amino acids and flax.
Cool Command Senior Horse (Hubbard Feeds)
Coat QualityCoat Quality
DigestionDigestion
JointsJoints
SeniorSenior
Cool Command Senior Horse by Hubbard is a higher fat complete feed intended for senior horses with dental issues or joint health concerns. It contains 14% protein and 8% fat, with added MSM, chondroitin sulfate and glucosamine.
Cosequin Optimized (Cosequin)
HealthHealth
ImmunityImmunity
JointsJoints
PerformancePerformance
Cosequin Optimized is a powdered joint health supplement. This supplement contains glucosamine, chondroitin sulphate and methylsulfonylmethane to support joint health.
Cushinaze (NAF Equine)
ImmunityImmunity
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
NutritionNutrition
Cushinaze by NAF Equine is a powdered immune supplement that intends to support vitality, provide support of the pituitary gland and gut function.
D-itch Supplement (NAF Equine)
HealthHealth
NutrientsNutrients
Skin + HairSkin + Hair
VitaminsVitamins
D-itch Supplement by NAF Equine is a powdered horse supplement that is intended to provide a blend of antioxidants that are meant to soothe itchy skin.
D-Ty (NAF Equine)
AntioxidantAntioxidant
HealthHealth
MuscleMuscle
PerformancePerformance
D-Ty from NAF Equine is a powdered supplement that is meant to support healthy muscular tissue and function. This supplement contains vitamin E and zinc.
Devil’s Relief (NAF Equine)
Gut HealthGut Health
HerbHerb
JointsJoints
SeniorSenior
Devil's Relief from NAF Equine is intended for all horses and ponies, but is not meant for pregnant mares. This supplement is formulated to support digestive health, joint health, and mobility.
DMac Plus (McIntosh Pro Line)
Competition HorsesCompetition Horses
HealthHealth
JointsJoints
RecoveryRecovery
McIntosh ProLine DMac is a powdered supplement intended to support joint health in horses. McIntosh ProLine DMac contains a blend of natural ingredients.
DuraFlex EQ (Durvet)
ExerciseExercise
FlavorFlavor
JointsJoints
SeniorSenior
DuraFlex EQ by Durvet is a liquid joint supplement intended for all horses that need joint support.
DuraFlex EQ Joint Pellets (Durvet)
DigestionDigestion
JointsJoints
PerformancePerformance
SeniorSenior
DuraFlex EQ by Durvet is a pelleted joint supplement intended to support healthy joints in all horses.
Duraflex-HA (Hestevard)
FlavorFlavor
JointsJoints
NutrientsNutrients
RecoveryRecovery
Duraflex-HA by Hestevard is a liquid supplement intended to support joints and cartilage of all horse types.
Echinacea Plus (NAF Equine)
Blood CellsBlood Cells
Competition HorsesCompetition Horses
HerbHerb
ImmunityImmunity
Echinacea Plus from NAF Equine is intended for horses in moderate to hard work especially performance horses. This supplement is intended to support the immune system.
EQ Pro-Coll (ER)
JointsJoints
Mineral BalanceMineral Balance
RecoveryRecovery
VitaminsVitamins
EQ Pro-Coll from ER is a liquid supplement for horses that is intended to support joint health. It contains vitamins, minerals, collagen, MSM, glucosamine, chondroitin and hyaluronic acid.
Eq-Well (Arenus Animal Health)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
NutritionNutrition
Eq-Well by Arenus Animal Health is an equine vitamin and mineral balancer. It is a granular supplement intended for horses of all ages and work levels.
Equi-Bone Pellets (TLC Animal Nutrition)
Bone HealthBone Health
JointsJoints
NutrientsNutrients
RecoveryRecovery
Equi-Bone by TLC Animal Nutrition is a pelleted supplement intended to support bone health in all horse types.
EquiForce Foot (Havens Horsefeed)
Amino AcidAmino Acid
Hoof HealthHoof Health
NutrientsNutrients
VitaminsVitamins
EquiForce Foot by Havens Horsefeed is an equine hoof health supplement. It contains biotin, B-vitamins, amino acids, and minerals to support hoof growth. One scoop supplies 75mg of biotin.

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