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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.
Profecta 14 (Seminole)
FiberFiber
GrainsGrains
Mineral BalanceMineral Balance
YeastYeast
Seminole Profecta 14 is a pelleted feed intended for growing, breeding and performance horses. It contains 14% protein, 7% fat and 24% NSC. This feed is fortified with chelated trace minerals and antioxidants.
ProForce Fuel XF (Nutrena)
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
FatFat
Nutrena ProForce® Fuel XF is a 13% fat horse feed formulated for high performance horses that need additional nutritional support to meet the demands of stress and rigorous training.
ProForce Senior (Nutrena)
EnergyEnergy
ExerciseExercise
FiberFiber
SeniorSenior
Nutrena ProForce Senior is an 11% fat horse feed intended for senior equine athletes. It contains energy from digestible fiber sources and extruded fat nuggets with a maximum of 18% NSC.
PROMINENT Textured Horse Feed (BUCKEYE Nutrition)
Competition HorsesCompetition Horses
MuscleMuscle
PerformancePerformance
ProteinProtein
Prominent Textured Horse Feed by Buckeye Nutrition is a complete feed formulated for performance horses. It is palatable and provides 14% protein, 32% NSC and energy from oats, wheat, corn, and soybean oil.
Promita (Mitavite)
Bone HealthBone Health
BroodmareBroodmare
GrowthGrowth
PerformancePerformance
Promita by Mitavite is a high protein extruded feed intended for breeding and performance horses.
ProSetol (Hestevard)
CalmingCalming
Gut HealthGut Health
HealthHealth
RecoveryRecovery
ProSetol by Hestevard is a powdered supplement intended to support nervous horses and ponies.
Protein Plus (McMillan Equine Feeds)
Gut HealthGut Health
MuscleMuscle
PerformancePerformance
ProteinProtein
Protein Plus by McMillan Equine Feeds is a complete textured feed containing no oats. It is intended to meet the nutritional needs of performance horses and horses in heavy work.
Protek GI (Kelato)
DigestionDigestion
Gut HealthGut Health
HealthHealth
HindgutHindgut
Protek GI by Kelato is a supplement intended to support overall digestive health in horses.
Protenza (Hallway)
CalmingCalming
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
NutritionNutrition
Protenza from Hallway is a textured feed fortified with Stamm 30, formulated for the competition horse. This feed contains 10% protein and 10% fat.
Pure & Simple Balancer (Hallway)
NutritionNutrition
ProteinProtein
Ration BalancerRation Balancer
ToplineTopline
Pure & Simple Balancer from Hallway is marketed as a non-GMO ration balancer. Pure & Simple contains 14% protein and provides 1048 kcal per lb of digestible energy.
Purina Ultium Senior Horse Feed (Purina)
FatFat
FiberFiber
Low NSC FeedsLow NSC Feeds
SeniorSenior
Purina Ultium Senior Horse Feed is a high-fibre, high-fat, low-starch, low-sugar pelleted extruded feed specially formulated for senior horses.
Quality Blend 12% (Quality Feeds)
Easy KeeperEasy Keeper
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Quality Blend 12% by Quality Feeds is a textured sweet feed intended for horses in light work, maintenance or breeding horses.
Quality Blend 14% (Quality Feeds)
EnergyEnergy
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Quality Blend 14% is a sweet feed with vitamins and minerals. It is meant to help with growth and performance.
Quantify (Hallway)
EnergyEnergy
FatFat
NutritionNutrition
Weight IssuesWeight Issues
Quantify from Hallway is a cubed feed fortified with Stamm 30 with added fat from soy oil. This feed is intended for broodmares, stallions, performance horses, or horses that are in need of weight gain. Quantify contains 14% protein, 8% fat, and 10% fibre.
Quench Electrolyte (HorseTech)
ElectrolyteElectrolyte
HydrationHydration
RecoveryRecovery
StressStress
Quench Electrolyte by HorseTech is an electrolyte containing no sugar, fillers or flavours. It is intended to replace electrolytes in horses under stress from heat, hard work or training.
Quench Lyte (Dominion Vet)
ElectrolyteElectrolyte
HealthHealth
HydrationHydration
RecoveryRecovery
Quench Lyte by Dominion Vet is a powdered electrolyte and trace mineral supplement. It is formulated with potassium, magnesium, calcium, and sodium.
Quiessence (Foxden Equine)
CalmingCalming
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
Quiessence is a pelleted magnesium and chromium supplement designed for horses with metabolic concerns, laminitis or cresty neck. Active ingredients include magnesium oxide, magnesium proteinate, and chromium propionate.
Quitt (Farnam)
CalmingCalming
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Farnam Quitt is a pelleted supplement intended to stop wood chewing in horses. It contains vitamins, minerals and fatty acids.
Quitt Chew Stop Pellets (Farnam)
CalmingCalming
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Quitt is a supplement for horses meant to help them stop wood chewing. It provides vitamins, minerals, and fatty acids intended to meet a horse's nutritional requirements and prevent wood chewing behaviours.
RACE ‘N WIN Textured Feed (BUCKEYE Nutrition)
Complete FeedComplete Feed
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
RACE 'N WIN is a textured feed designed for performance horses who require high-energy feed. It also contains added amino acids, beet pulp, probiotics, and prebiotic ingredients.
Race 13 (Capstone Horse Feed)
Competition HorsesCompetition Horses
DigestionDigestion
EnergyEnergy
PerformancePerformance
Race 13 by Capstone Horse Feed is a high energy feed intended for high performance horses.
Race 13 (Hallway)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
PerformancePerformance
Hallway's Race 13 is a textured sweet feed with high energy density to meet the calorie requirements of performance horses. It provides moderate 6% fat and 10% fibre content.
Race First (Excel Equine Feeds)
Competition HorsesCompetition Horses
HealthHealth
NutritionNutrition
PerformancePerformance
Race First is a textured feed from Excel Equine Feeds. Race First is intended for horses in heavy work, and contains ingredients intended to support digestive health.
Race Horse Feed (Lifeline)
Competition HorsesCompetition Horses
EnergyEnergy
FiberFiber
NutritionNutrition
Race Horse Feed by Lifeline is a feed formulated for performance horses with high energy demands. This feed contains 14% protein, 7% fat, and 12% fiber.
Race Lite Cubes (Dodson & Horrell)
Competition HorsesCompetition Horses
ExerciseExercise
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
Race Lite Cubes is a lower protein racing feed made for horses beginning training or on a lighter training schedule. This feed contains a protein content of 12%, a fibre level of 16%, and a moderate NSC content of 19%.
Race Lite Muesli (Dodson & Horrell)
Amino AcidAmino Acid
ExerciseExercise
Mineral BalanceMineral Balance
PerformancePerformance
Race Lite Muesli is a textured lower protein racing feed made for horses beginning training or on a lighter training schedule. This feed contains a protein content of 12%, a fibre level of 9%, and moderate fat content of 4.5%.
Race Mix (Dunstan)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Race Mix by Dunstan is a complete, balanced feed providing working horses with protein, energy, vitamins and minerals for performance and health.
Race Ready GT (Purina)
Competition HorsesCompetition Horses
DigestionDigestion
EnergyEnergy
PerformancePerformance
Purina® Race Ready® GT is a textured feed intended for equine athletes and race horses. It is designed to provide a higher energy density and gut support ingredients to meet the needs of performance horses.
Race Ready® Horse Feed (Purina Mills)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
Gut HealthGut Health
PerformancePerformance
Race Ready is a high-energy textured feed targeted to meet the calorie requirements of racehorses. It provides 12% crude protein, 8% crude fat, 9% fibre, and contains molasses and vegetable oil.
Race Time (Capstone Horse Feed)
AntioxidantAntioxidant
HealthHealth
NutritionNutrition
SeniorSenior
Race Time by Capstone Horse Feed is a muesli style feed intended for mature horses.
Racehorse Cubes (Dodson & Horrell)
Competition HorsesCompetition Horses
FatFat
GrainsGrains
NutritionNutrition
Racehorse Cubes is a feed designed for racehorses in full training. This feed is high in NSC to give the horses an energy boost. It is also high in protein for proper muscle building and includes some ricebran to support a good body condition.
Racehorse Cubes (Red Mills)
Competition HorsesCompetition Horses
EnergyEnergy
GrainsGrains
StaminaStamina
Racehorse Cubes from Red Mills is intended for racehorses in moderate to full training or horses needing a high-energy cereal diet. This feed contains grains such as oats, barley, and maize.
RaceOn Gastro Form (NAF Equine)
Competition HorsesCompetition Horses
FiberFiber
Gut HealthGut Health
ProbioticProbiotic
RaceOn Gastro Form by NAF Equine is a powdered gut supplement that is intended to support stomach acid, protect the stomach wall, and provide pre- and probiotics for gut function.
RaceOn Muscle Power (NAF Equine)
Competition HorsesCompetition Horses
MuscleMuscle
NutrientsNutrients
VitaminsVitamins
RaceOn Muscle Power by NAF Equine is a liquid horse supplement that uses an amino acid formula intended to provide the building blocks for healthy muscle development. It is meant for muscle health and performance in racehorses.
RaceOn Rapid Recovery (NAF Equine)
Competition HorsesCompetition Horses
Mineral BalanceMineral Balance
RecoveryRecovery
VitaminsVitamins
RaceOn Rapid Recovery by NAF Equine is a liquid horse supplement that is meant to provide an antioxidant complex that is intended to support the recovery process in racehorses.
Racing Balancer (Dodson & Horrell)
GrainsGrains
PerformancePerformance
ProteinProtein
Ration BalancerRation Balancer
Racing Balancer is a feed intended to balance a racehorse's diet and meant to be fed alongside oats. This feed adds additional protein required for muscle building, recovery, and the vitamins and minerals needed for proper nutrient absorption.
Racing Cube (Pryde’s EasiFeed)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
PerformancePerformance
Racing Cube by Pryde's EasiFeed is a complete feed in extruded cube form. It is intended for race, performance and sport horses.
Racing Formula (DAC)
HealthHealth
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Racing Formula by DAC is a vitamin and mineral supplement designed for high performance horses. It is formulated with trace minerals, Vitamin E , biotin and probiotics.
Radiate (Excel Equine Feeds)
HealthHealth
NutrientsNutrients
NutritionNutrition
Weight IssuesWeight Issues
Radiate from Excel Equine Feeds is a pelleted feed. This feed is intended for hard keepers. Radiate contains 12% protein and 10% fat.
Rancher’s Complete Pellet (Trouw)
Caloric EnergyCaloric Energy
HealthHealth
NutrientsNutrients
NutritionNutrition
Rancher's Complete Pellet by Trouw Nutrition is a complete feed intended to meet the nutritional needs of all horse types.
Rancher’s Sweet – Texture (Trouw)
Gut HealthGut Health
HealthHealth
NutrientsNutrients
NutritionNutrition
Rancher's Sweet Texture by Trouw is a sweet feed intended for horses in light to medium work.
Ration Balancer (Woody’s Horse Nutrition)
DigestionDigestion
Grain FreeGrain Free
ProteinProtein
Ration BalancerRation Balancer
Woody’s Feed Ration Balancer is a concentrated, pelleted feed intended to balance a forage-based diet. It provides chelated trace minerals and added probiotics. This feed is intended for all horses and ponies at any level of work.
Ration Balancer Original (Lifeline)
DigestionDigestion
Grain FreeGrain Free
HealthHealth
Ration BalancerRation Balancer
Ration Balancer Original by Lifeline is a grain-free pelleted supplement intended for horses who are sensitive to carbohydrates.
Ration Balancer Pellets (Ritchie Smith – Harmony)
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
ProteinProtein
Ration BalancerRation Balancer
Ration Balancer Pellets from Ritchie Smith's Harmony is a low starch, low sugar product that is a source of protein. It can be supplied to any horse and can help meet protein requirements when forage doesn't.
Re-Leve Cubes (Saracen Horse Feeds)
Complete FeedComplete Feed
FiberFiber
ProteinProtein
UlcersUlcers
Re-Leve Cubes is a pelleted feed formulated for horses that have ulcer issues, need a low starch diet, or have nervous temperaments.
Recharge (Doctor’s Choice Supplements)
ElectrolyteElectrolyte
ExerciseExercise
Mineral BalanceMineral Balance
RecoveryRecovery
Recharge by Doctor's Choice Supplements is an electrolyte supplement intended to replace minerals and vitamins after exercise and heat waves.
Recharge Mash (Krafft)
DigestionDigestion
EnergyEnergy
Gut HealthGut Health
RecoveryRecovery
Recharge Mash by Krafft is a an oat-free mash intended to increase water intake in horses requiring a fast recovery from exercise, travel, stress or digestive upset.
Recover (NAF Equine)
AntioxidantAntioxidant
Competition HorsesCompetition Horses
NutrientsNutrients
RecoveryRecovery
Recover from NAF Equine is intended for performance horses and horses in heavy work. This supplement is meant to support recovery.
Recovery (Vita Flex)
Amino AcidAmino Acid
ElectrolyteElectrolyte
ExerciseExercise
RecoveryRecovery
Vita Flex Recovery is an equine supplement intended to support post-exercise recovery. It contains amino acids, B-vitamins, and electrolyte ingredients.
Recuperate (Hygain)
ElectrolyteElectrolyte
ExerciseExercise
HydrationHydration
VitaminsVitamins
Recuperate from Hygain is a supplement for horses that is intended to provide B vitamins and electrolytes. It is meant to help with exercise, muscle function, and hydration.

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