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Magnesium - Feed Ingredient

Magnesium is an essential mineral required for numerous physiological functions in horses. It plays a critical role in muscle contraction, nerve transmission, enzyme activity, and energy metabolism. As a macromineral, magnesium is necessary for maintaining normal neuromuscular function and supporting overall metabolic processes.

In equine nutrition, magnesium is commonly included in feed formulations and supplements to ensure adequate dietary intake. Deficiency in magnesium can lead to symptoms such as nervousness, muscle tremors, and poor coordination. While magnesium is naturally present in forages, supplementation may be necessary for horses with increased needs. Common supplemental sources include magnesium oxide, magnesium sulfate, and magnesium carbonate, each varying in bioavailability and digestibility

The following equine feeds, supplements and products contain Magnesium as an ingredient.

Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
AminoTrace+ by Mad Barn is a complete, balanced equine mineral and vitamin supplement designed for horses with metabolic concerns. It is ideal for horses with IR, PPID, or high iron in the diet.
MagneChrome (Mad Barn)
AntioxidantAntioxidant
HealthHealth
HerbHerb
Metabolic SyndromeMetabolic Syndrome
MagneChrome from Mad Barn (formerly sold under the name IR Supplement) is a magnesium and chromium supplement for IR Horses. This supplement provides antioxidant and anti-inflammatory support which is critical for horses with metabolic conditions such as insulin resistance, laminitis and Cushing’s Syndrome
Magnesium Oxide (Mad Barn)
CalmingCalming
HealthHealth
IngredientIngredient
MuscleMuscle
Magnesium Oxide is a concentrated source of mineral magnesium that can be added to equine diets. Magnesium supplementation has been shown to have a calming effect in nervous horses, as well as support proper muscle function.
Natural E/Organic Se (Mad Barn)
AntioxidantAntioxidant
Organic Trace MineralsOrganic Trace Minerals
RecoveryRecovery
VitaminsVitamins
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
Omneity P – Pellets – Vitamin & Mineral Supplement (Mad Barn)
Gut HealthGut Health
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
Omneity Pellets is a balanced mineral and vitamin supplement for horses in a palatable pellet form. It provides 100% organic trace minerals, complete B-vitamin fortification, added Vitamin E, yeast and digestive enzymes.
Omneity Premix – Vitamin & Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Omneity Premix is a balanced mineral and vitamin supplement for horses providing 100% organic trace minerals, complete B-vitamin fortification, added Vitamin E, yeast, and digestive enzymes.
Performance XL: Electrolytes (Mad Barn)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
PerformancePerformance
StaminaStamina
Performance XL: Electrolytes by Mad Barn is a scientifically formulated equine electrolyte supplement designed to support athletic performance and workout recovery. It contains an ideal blend of natural minerals and vitamins to promote hydration status and muscle function.
Visceral+ (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
UlcersUlcers
YeastYeast
Visceral+ by Mad Barn is a pelleted supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
Dr. Reeds 3.0 (Purica)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Purica Dr. Reed's 3.0 is a new version of the now-discontinued Dr. Reed's Formula 2 vitamin and mineral supplement. This concentrated supplement provides a mix of organic and inorganic trace minerals, flaxseed and Natural Vitamin E.
Dragon Paste (Equine Choice)
CalmingCalming
HealthHealth
PerformancePerformance
StressStress
Dragon Paste by Equine Choice is a calming supplement designed for performance horses. It is formulated with amino acids, magnesium citrate, casein and probiotics.
DraversBrok (Havens Horsefeed)
ExerciseExercise
Hoof HealthHoof Health
NutritionNutrition
PerformancePerformance
DraversBrok by Havens Horsefeed is a high-energy feed intended for performance horses. It contains cereal grains, alfalfa, and flax oil as energy sources. This feed helps support optimal skin and hoof conditions.
Dry 200 (Pryde’s EasiFeed)
BroodmareBroodmare
GrowthGrowth
Ration BalancerRation Balancer
StallionStallion
Dry 200 by Pryde's EasiFeed is a pelleted vitamin and mineral balancer. It is intended for broodmares, stallions, weanlings, yearlings and 2 year olds on dry pasture.
DuraLyte (Durvet)
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
PerformancePerformance
RecoveryRecovery
DuraLyte by Durvet is a powdered electrolyte supplement available in 3 flavours (Apple, cherry and tropical fruit) and intended to maintain electrolyte balance in horses.
Duralyte (Hestevard)
Bone HealthBone Health
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
MuscleMuscle
Duralyte by Hestevard is a liquid electrolyte supplement intended for all horse and pony types.
Duralyte-R (Hestevard)
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
MuscleMuscle
NutrientsNutrients
Duralyte-R by Hestevard is a powdered electrolyte supplement intended for all horse and pony types.
DuraPlex (Kentucky Equine Research)
Bone HealthBone Health
GrowthGrowth
Mineral BalanceMineral Balance
VitaminsVitamins
DuraPlex is a bone health supplement intended for growing and performance horse. It provides calcium, phosphorus, magnesium and other nutrients important for bone mineralization.
Dyna Spark (Dynamite)
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
PerformancePerformance
RecoveryRecovery
Dyna Spark from Dynamite is a liquid electrolyte supplement that is intended for performance horses. It contains minerals and molasses and is also meant to help with recovery.
Dynamite (Dynamite)
HealthHealth
Hoof HealthHoof Health
NutrientsNutrients
VitaminsVitamins
Dynamite by Dynamite is a supplement containing high amounts of selenium (44.4 ppm), it is intended to support overall health in all performance horses.
Dynasty Pro 14/6 Pellet (Blue Seal)-[Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
GrowthGrowth
NutritionNutrition
Dynasty Pro 14/6 Pellet was a pelleted feed containing 6% fat, 14% protein, fermentable fiber, nutrients, and yeast. This was feed targeted horses of all ages and supported growth, performance, breeding, and lactation.
Dynasty Senior 14/6 Pellet (Kent Equine) – [Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FiberFiber
SeniorSenior
Dynasty Senior Pellet was high in fiber and provided added fat to maintain body condition in mature and senior horses. This feed contained a blend of vitamins and minerals, yeast cultures, and protein.
Dynasty Show 12/6 Pellet (Kent Equine) – [Discontinued]
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Dynasty Show 12/6 Pellet was a horse feed designed to meet the energy needs of active adult horses. This feed provided 12% protein, 6% fat, digestible fiber, vitamins, minerals, essential amino acids, antioxidants, and yeast cultures.
Dynasty XT Pro 14/10 Textured Horse Feed (Blue Seal) – [Discontinued]
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
MuscleMuscle
Blue Seal Dynasty XT Pro 14/10 is a textured horse feed made with shredded beet pulp. It provides 14% protein to support growing, performance and breeding horses.
E-Clipse’PM Pellets (MVP)
AntioxidantAntioxidant
ImmunityImmunity
StressStress
VitaminsVitamins
E-Clipse'PM Pellets by MVP is a supplement for horses that provides antioxidants. It contains B vitamins that intend to help support normal neurological function.
E-SE-MAG Pellets (MVP)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
E-SE-MAG Pellets by MVP is a supplement for horses that contains vitamin E, selenium and magnesium. It intends to support efficient muscle function and manage exercise-associated muscle discomfort.
E-TEC Balancer (Poulin Grain)
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
E-TEC Balancer is a ration balancer pellet for horses consuming unfortified grains or forage-only diets. It is intended for horses at different stages including performance, growing, breeding and metabolic horses.
E-TEC Carb Safe (Poulin Grain)
Complete FeedComplete Feed
Hoof HealthHoof Health
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Poulin Grain E-TEC® Carb Safe is a pelleted feed intended for horses that require lower sugar and starch content in their diet. It provides a maximum 5.5% NSC and can fed to overweight horses or those with metabolic concerns.
Easi Off-The-Track (Pryde’s EasiFeed)
Gut HealthGut Health
Hoof HealthHoof Health
NutrientsNutrients
Omega 3-6-9Omega 3-6-9
Easi Off-The-Track by Pryde's EasiFeed is a pelleted complete feed intended for ex-racehorses.
EasiBreed (Pryde’s EasiFeed)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
EasiBreed by Pryde's EasiFeed is a pelleted complete feed intended for broodmares, weanlings, yearlings and 2 year olds.
EasiConditioner (Pryde’s EasiFeed)
NutrientsNutrients
RecoveryRecovery
SeniorSenior
Weight IssuesWeight Issues
EasiConditioner by Pryde's EasiFeed is an extruded feed intended to promote weight gain in senior horses, horses needing to gain weight or horses in recovery.
EasiFeed Two (Pryde’s EasiFeed)
Bone HealthBone Health
BroodmareBroodmare
GrowthGrowth
StallionStallion
EasiFeed Two by Pryde's EasiFeed is an extruded sweet feed containing minerals. It is intended for broodmares, stallions and yearlings.
EasiGoing (Pryde’s EasiFeed)
AntioxidantAntioxidant
Easy KeeperEasy Keeper
Gut HealthGut Health
MuscleMuscle
EasiGoing by Pryde's EasiFeed is a complete feed in extruded cube form. It is intended for easy keepers and horses needing cool energy.
EasiKeeper (Pryde’s EasiFeed)
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
Weight IssuesWeight Issues
EasiKeeper by Pryde's EasiFeed is a low sugar (6.7%) vitamin and mineral balancer intended for horses prone to laminitis, and horses and ponies with weight control issues.
EasiLyte (Pryde’s EasiFeed)
ElectrolyteElectrolyte
HealthHealth
HydrationHydration
Mineral BalanceMineral Balance
EasiLyte by Pryde's EasiFeed is a powdered electrolyte replacer intended to encourage drinking, rehydration and muscle function in all horse types.
EasiMash (Pryde’s EasiFeed)
Caloric EnergyCaloric Energy
Coat QualityCoat Quality
Gut HealthGut Health
MuscleMuscle
EasiMash by Pryde's EasiFeed is a pelleted complete feed intended to help with muscle building in pleasure, endurance, performance and senior horses.
EasiResponse (Pryde’s EasiFeed)
Gut HealthGut Health
MuscleMuscle
PerformancePerformance
ToplineTopline
EasiResponse by Pryde's EasiFeed is a complete feed in extruded cube form, it is intended for performance horses.
EasiRide (Pryde’s EasiFeed)
CalmingCalming
Coat QualityCoat Quality
NutrientsNutrients
Omega 3-6-9Omega 3-6-9
EasiRide by Pryde's EasiFeed is a pelleted complete feed intended to provide cool energy to horses and ponies requiring more calm behaviour.
EasiSport (Pryde’s EasiFeed)
AntioxidantAntioxidant
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
NutritionNutrition
EasiSport by Pryde's EasiFeed is a grain-free pelleted feed containing 8.1% NSC and is intended for all horse types.
Easy Boy (Dynamite)
CalmingCalming
Competition HorsesCompetition Horses
HealthHealth
StressStress
Easy Boy is a calming supplement for horses from Dynamite. This supplement contains chelated magnesium and B-vitamins, intended to decrease nervous behaviour in horses.
Easy Breathing Liquid (NAF Equine)
AntioxidantAntioxidant
ExerciseExercise
NutrientsNutrients
RespiratoryRespiratory
Easy Breathing Liquid from NAF Equine is intended for all horses and ponies at any work level. This supplement contains anise seed, garlic, and magnesium which are meant to support the respiratory system.
Easy Everyday Balancer (Dodson & Horrell)
Hoof HealthHoof Health
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
Easy Everyday Balancer is a ration balancer designed to provide additional nutrients to a forage diet. This feed is low in starches and provides a higher level of biotin for hoof support.
Easy Keeper (Woody’s Horse Nutrition)
Easy KeeperEasy Keeper
FiberFiber
MetabolismMetabolism
Weight IssuesWeight Issues
Woody’s Easy Keeper is a complete pelleted feed with lower energy density intended for horses at maintenance or horses that need to lose weight. It contains 10.5% NSC and 5% fat.
Eberglo Liquid (Nature’s Way)
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Eberglo by Nature's Wave is a liquid vitamin and mineral supplement for mature horses. It contains water-soluble and fat-soluble vitamins as well as inorganic trace minerals.
Economix (Mitavite)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
NutritionNutrition
Economix by Mitavite is a complete feed intended to meet the nutritional requirements of horses in work and competition.
ecube Complete Senior (Blue Seal)
FiberFiber
ForageForage
Mineral BalanceMineral Balance
VitaminsVitamins
ēcube Complete Senior is a complete horse feed in a large cube format. It is formulated with alfalfa and grass hays and provides less than 10% NSC. It is intended for mature horses but can be suitable for horses of all life stages.
Edge 14 (Hallway)
EnergyEnergy
FatFat
FiberFiber
NutritionNutrition
Edge 14 from Hallway is a feed fortified with Stamm 30, providing 14% protein, and 6% fat. This feed provides energy from digestible fibres and vegetable oil.
Eeze (Brooks Feeds)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
PerformancePerformance
Eeze by Brooks Feeds is a textured feed for performance horses active in high-intensity disciplines requiring a reduced carbohydrate level. It draws energy primarily from digestible fibres and fats, including rice bran.
Eeze Pro-Plus (Brooks Feeds)
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Eeze Pro-Plus is a calorie dense textured feed that is high fibre and fat for performance horses with a reduced carbohydrate level. Lab analysis provides a calculated NSC value of ~19%.
Electro Dex (Horse Health Products)
ElectrolyteElectrolyte
FlavorFlavor
Mineral BalanceMineral Balance
PerformancePerformance
Electro Dex is an equine electrolyte supplement that is meant to help supply electrolytes for horses in training or performance. It is also intended to assist with horses that are stressed and can support mineral balance.
Electro Salts (NAF Equine)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
HydrationHydration
RecoveryRecovery
Electro Salts from NAF Equine are intended to support rehydration in all horses and ponies but specifically performance horses. This supplement is meant to be fed mixed into clean water.
Electro-Aid (DAC)
ElectrolyteElectrolyte
HealthHealth
HydrationHydration
RecoveryRecovery
Electro-Aid by DAC is an electrolyte supplement for all classes of working horses. It is designed to help maintain hydration and support normal electrolyte balance, especially during sweating.
Electro-Aid Paste (DAC)
ElectrolyteElectrolyte
HealthHealth
HydrationHydration
RecoveryRecovery
Electro-Aid Paste by DAC is an electrolyte paste supplement design for all classes of working horses. It is designed to help maintain hydration and support normal electrolyte balance.
Electro-Cell (Paste) (MVP)
ElectrolyteElectrolyte
ExerciseExercise
RecoveryRecovery
StressStress
Electro-Cell by MVP is a paste horse supplement that intends to provide balanced essential electrolytes for use during dehydration, heat, or stress. It contains ingredients such as glycine, calcium carbonate, and salt.
Electro-Ryte (Equi-Force)
ElectrolyteElectrolyte
HydrationHydration
RecoveryRecovery
StressStress
Electro-Ryte is a salt based electrolyte supplement intended to replace lost minerals during exercise or heat waves. It is ideal for performance horses and working horses.
ElectroBalance (Enviro Equine)
ElectrolyteElectrolyte
HydrationHydration
Mineral BalanceMineral Balance
VitaminsVitamins
ElectroBalance by Enviro Equine is an electrolyte supplement intended to restore minerals lost through sweating. It is intended to prevent electrolyte depletion in sport and racing horses.
ElectroBalance Paste (Enviro Equine)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
Mineral BalanceMineral Balance
RecoveryRecovery
ElectroBalance Paste by Enviro Equine is an electrolyte supplement intended to replace essential minerals lost during periods of intense exercise or sweating in horses.
Electrolast (DuMor)
ElectrolyteElectrolyte
HydrationHydration
Mineral BalanceMineral Balance
PerformancePerformance
Electrolast by DuMor is a powdered form of electrolyte supplement. Electrolyte salts may be lost by sweat when exercising, which is important to ensure electrolyte levels are balanced following exercise.
Electrolyte (Capstone Horse Feed)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
PerformancePerformance
RecoveryRecovery
Electrolyte by Capstone Horse Feed is a vitamin and mineral supplement intended for high performance horses.
Electrolyte Concentrated (Pureform)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
ExerciseExercise
HydrationHydration
Pureform Electrolyte Concentrated is a powdered equine electrolyte supplement designed to replace minerals lost in sweat. It can be top dressed or added to drinking water.

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