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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.
Equi-Shine Granular (Doctor’s Choice Supplements)
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Equi-Shine Granular is a ration balancer intended to provide essential vitamins and minerals that could be limited in pasture and forage. It is designed for horses and ponies of all ages and work levels.
Equi-VM (Uckele)
HealthHealth
NutrientsNutrients
ProbioticProbiotic
Ration BalancerRation Balancer
Equi-VM is a powdered vitamin and trace mineral supplement from Uckele Health & Nutrition. It also contains probiotics and digestive enzymes.
Equi22 (Purina)
HealthHealth
Hoof HealthHoof Health
NutrientsNutrients
Ration BalancerRation Balancer
Purina Equi22 is a concentrated vitamin and mineral supplement in a pelleted format. It is designed to meet the needs of a wide range of horses.
EquiBalance (Enviro Equine)
Amino AcidAmino Acid
NutrientsNutrients
VitaminsVitamins
EquiBalance by Enviro Equine is a liquid vitamin and mineral supplement enriched with added lysine and biotin.
EquiBalance (Sollio Agriculture)
Amino AcidAmino Acid
HealthHealth
Low NSC FeedsLow NSC Feeds
VitaminsVitamins
EquiBalance is a concentrated pelleted vitamin, mineral and amino acid supplement for horses. EquiBalance is intended for horses who are receiving a complete feed. This supplement is intended for horses with metabolic disorders.
Equibility (Hallway)
Complete FeedComplete Feed
ExerciseExercise
FatFat
FiberFiber
Equibility from Hallway is a pelleted feed fortified with Stamm 30 formulated for active adult horses. This feed uses energy from digestible fibres and vegetable oil, providing 12% protein, 8% fat, and 15% fibre.
Equicell-R – Liquid Flavoured Vitamin-Mineral Supplement
DentalDental
HealthHealth
Ration BalancerRation Balancer
VitaminsVitamins
Pharm-Vet Equicell-R is a liquid mineral and vitamin supplement for horses. It contains added iron and is designed to provide nutrients that may be lacking in the equine diet.
EquiForce E+ (Havens Horsefeed)
Amino AcidAmino Acid
AntioxidantAntioxidant
NutrientsNutrients
VitaminsVitamins
EquiForce E+ by Havens Horsefeed is a vitamin and mineral supplement intended for performance horses. It contains natural vitamin E, selenium, and amino acids. This supplement supports the immune system, muscles, and nervous system.
EquiForce Lyte (Havens Horsefeed)
ElectrolyteElectrolyte
HydrationHydration
Mineral BalanceMineral Balance
StaminaStamina
EquiForce Lyte by Havens Horsefeed is an electrolyte supplement for exercising horses. It contains minerals and antioxidants to support performance. This supplement supports muscle recovery and increased water consumption.
EquiForce Magnesium (Havens Horsefeed)
CalmingCalming
ExerciseExercise
MuscleMuscle
NutrientsNutrients
EquiForce Magnesium by Havens Horsefeed is a magnesium oxide supplement for horses. Each 15 gram serving provides 8 mg of elemental magnesium. This supplement is powdered, tasteless, and odourless.
EquiForce Performance+ Booster (Havens Horsefeed)
AntioxidantAntioxidant
EnergyEnergy
NutrientsNutrients
PerformancePerformance
EquiForce Performance+ Booster by Havens Horsefeed is a highly concentrated energy and electrolyte supplement for horses that also helps to support immune function. It contains minerals and glucose to support performance.
EquiLac Classic (St.Hippolyt)
BroodmareBroodmare
FoalFoal
LactationLactation
NutrientsNutrients
EquiLac Classic by St.Hippolyt is a broodmare feed intended to be used from the 8th month of pregnancy or when nursing.
EquiLac Muesli (St.Hippolyt)
BroodmareBroodmare
EnergyEnergy
LactationLactation
NutrientsNutrients
EquiLac Muesli by St.Hippolyt is a textured feed intended for pregnant and nursing mares.
Equilene Complete (Bluebonnet Feeds)
BroodmareBroodmare
Complete FeedComplete Feed
Gut HealthGut Health
PerformancePerformance
Equilene Complete from Bluebonnet is a feed that is meant to be used as a forage replacer, designed for horses at all life stages. This feed provides 10% starch, and 4% sugar.
Equilene Pelleted (Bluebonnet Feeds)
Gut HealthGut Health
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Equilene Pelleted from Bluebonnet is a feed intended for horses at all life stages, including breeding, and performance horses. This feed contains 11% starch, 5% sugars, and uses a mix of organic and inorganic trace minerals.
Equilene Pro Care (Bluebonnet Feeds)
FiberFiber
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
Equilene Pro Care from Bluebonnet Feeds is a beet pulp-based complete feed formulated to support digestive health. It is a low starch formula with 5.5% starch and 8% sugar. It contains added calcium, butyric acid and zinc for digestive support.
Equilene Textured (Bluebonnet Feeds)
Caloric EnergyCaloric Energy
GrainsGrains
Mineral BalanceMineral Balance
VitaminsVitamins
Equilene Textured feed from Bluebonnet Feeds is a complete feed for growth, performance, breeding and horses at maintenance. It contains molasses and vegetable oil as added sources of energy.
Equilene Track Master Ultra Fat (Bluebonnet Feeds)
Caloric EnergyCaloric Energy
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Equilene Track Master Ultra Fat from Bluebonnet Feeds is a high-energy textured feed intended for performance horses. This high-NSC feed contains 30% starch, and 11% sugars,
Equilibrium Legend XT (Purina)
BroodmareBroodmare
FatFat
FiberFiber
PerformancePerformance
Equilibrium Legend XT is a high caloric extruded feed made for performance athletes and broodmares. It contains 10% fat and 10% fiber.
Equilibrium Maternity XT (Purina)
BroodmareBroodmare
Complete FeedComplete Feed
GrowthGrowth
LactationLactation
Equilibrium Maternity XT is an extruded feed formulated for gestating mares as well as nursing and growing foals. It provides high energy and protein (16.5%) from ingredients such as soybean meal, flax, wheat, soybean oil and molasses.
Equilibrium Optimal (Purina)
BroodmareBroodmare
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Equilibrium Optimal is a ration balancer formulated for all classes of horses. It can be fed alone or in combination with complete feeds or other feed ingredients such as beet pulp.
Equilibrium Pro Plus (Purina)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FatFat
PerformancePerformance
Equilibrium Pro Plus by Purina is intended for performance horses, stallions, broodmares and growing foals. It contains 14% protein and 7% fat from sources such as soy hulls, soybean meal, ground corn, and ground wheat.
Equilibrium Sport XT (Purina) – [Discontinued]
Caloric EnergyCaloric Energy
ExerciseExercise
GrowthGrowth
PerformancePerformance
Equilibrium Sport XT is an extruded feed formulated for performance, breeding and growing horses. It provides high fat (10%) and moderate protein (14%) from ingredients including soybean meal, flax, wheat, soybean oil and molasses.
Equilibrium Trimax (Purina)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
PerformancePerformance
Weight IssuesWeight Issues
Purina Equilibrium Trimax is an energy-dense multi-particle feed intended for hard-keepers and performance horses. It provides 12% fat from vegetable oils and fermentable fibre from beet pulp to meet higher calorie requirements.
Equilibrium® XCEL HD (Purina Canada)
Competition HorsesCompetition Horses
FatFat
HindgutHindgut
Weight IssuesWeight Issues
Equilibrium® XCEL HD is a high-fat feed from the Purina Platinum product line. This low glycemic feed contains higher fat and fibre content and is intended for equine athletes and hard keepers.
Equiline Accelerator Plus Ration Balancer (Shur-Gain)
Easy KeeperEasy Keeper
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Aquiline Accelerator Plus Ration Balancer by Shur-Gain is a pelleted mix of vitamins, minerals, and amino acids. It is designed for maintenance and growth of easy keepers.
Equiline Pelleted All-In-One Ration (Shur-Gain)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
NutritionNutrition
Equiline Pelleted All-In-One Ration from Shur-Gain is a pelleted complete feed intended for horses in light to moderate work. This feed is forage based, with a balanced nutrient composition.
Equiline Xplosion Performance (Shur-Gain)
EnergyEnergy
NutrientsNutrients
PerformancePerformance
VitaminsVitamins
Equiline Xplosion Performance by Shur-Gain is a high-fat, high-energy textured feed specially formulated for performance horses.
Equiliser (St.Hippolyt)
CalmingCalming
Competition HorsesCompetition Horses
PerformancePerformance
StressStress
Equiliser by St.Hippolyt is a supplement intended to support the nervous system of sport horses.
EquiLix (SweetPro)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
SweetPro® EquiLix® is a free choice lick block for horses, providing vitamins, minerals, protein, fat and carbohydrates. It is molasses-free and is made with Distiller Dried Grains with Solubles and flax meal.
Equimeb Hepa (St.Hippolyt)
FlavorFlavor
HealthHealth
HerbHerb
NutritionNutrition
Equimeb Hepa by St.Hippolyt is a pelleted supplement intended to support liver function in all horse types.
EquiMin Loose Mineral (Nutrena)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
EquiMin Loose Mineral is a powdered mineral and vitamin supplement intended as a top-dressing for horses on a forage-only feeding program. This powdered mineral is designed to support immune response and health and coat health.
EquiModium (AniMed)
Amino AcidAmino Acid
DigestionDigestion
Gut HealthGut Health
Mineral BalanceMineral Balance
This supplement from AniMed is meant to support digestion and gastrointestinal health in horses. It is powder, and can be used for any horse, but recommended to be used only when needed.
Equine 12-8 Mineral (Tribute)
HealthHealth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Tribute Equine 12-8 is a vitamin/mineral supplement intended for all horses. It contains a blend of organic and inorganic mineral sources.
Equine 12% Pellet (True Choice)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
NutrientsNutrients
Weight IssuesWeight Issues
Equine 12% Pellet from True Choice is intended for horses and ponies at maintenance. This feed contains 12% protein, 17% fibre, and 3% fat.
Equine 74 Gastric – Pellet
Gut HealthGut Health
HealthHealth
PerformancePerformance
UlcersUlcers
Equine 74 Gastric - Pellet is a pelleted supplement intended to help buffer the stomach acid of horses.
Equine 74 Gastric – Powder
Gut HealthGut Health
HealthHealth
PerformancePerformance
UlcersUlcers
Equine 74 Gastric - Powder is a powdered supplement intended to help prevent ulcers by buffering the stomach acid of horses.
Equine Adult® Horse Feed (Purina Mills)
Complete FeedComplete Feed
ExerciseExercise
HealthHealth
Ration BalancerRation Balancer
Purina Equine Adult Horse Feed is a pelleted feed for horses at maintenance, light work, or broodmares in early gestation. It provides 11% crude protein, 3% fat, and 25% fiber.
Equine Choice Turnout (Blue Seal)
FlavorFlavor
Mineral BalanceMineral Balance
NutrientsNutrients
ProteinProtein
Blue Seal Equine Choice Turnout is a free-choice vitamin and mineral supplement tub formulated to balance forage and grain-based diets. It contains molasses to encourage consumption and provides 12% protein.
Equine Concentrate (Paddock Tree Nutraceuticals)
Grain FreeGrain Free
HealthHealth
NutrientsNutrients
NutritionNutrition
Equine Concentrate by Paddock Tree Nutraceuticals is a concentrate formulated to be fed along with highly digestible fibre sources, like beet pulp or forage cubes. It is intended for all horse types.
Equine Focus (Bar Ale)
FiberFiber
MuscleMuscle
NutrientsNutrients
YeastYeast
Equine Focus from Bar Ale is intended to be fed to horses and ponies of all ages and work levels. Equine Focus contains beet pulp and soybean meal. Equine Focus total NSC content is 21%.
Equine Junior® Complete Horse Supplement (Purina Mills)
Complete FeedComplete Feed
FatFat
FoalFoal
GrowthGrowth
Purina Equine Junior Horse Feed is a pelleted feed for growing horses that have been weaned. It provides protein, calories, vitamins and minerals to support development.
Equine Recovery Extra Strength (Purica)
Bone HealthBone Health
JointsJoints
RecoveryRecovery
StaminaStamina
Equine Recovery Extra Strength from Purica is a horse supplement intended to assist with bone and muscle health. It contains MSM, glucosamine and other ingredients.
Equine Senior Active (Purina)
EnergyEnergy
ExerciseExercise
Gut HealthGut Health
SeniorSenior
Purina® Equine Senior® Active is a concentrate horse feed containing pelleted and extruded components. It provides 14% fibre and 10% fat content.
Equine Senior® Complete Horse Feed (Purina Mills)
Complete FeedComplete Feed
DentalDental
ImmunityImmunity
SeniorSenior
Purina Equine Senior is a complete feed in an easy-to-chew formulation targeted at older horses. It contains 14% crude protein, 5.5% fat, and 19% NSC.
Equine Super Diet (Equistro – Vetoquinol)
AntioxidantAntioxidant
FlavorFlavor
Mineral BalanceMineral Balance
VitaminsVitamins
Equistro Equine Super Diet is a low feeding rate mineral and vitamin supplement formulated in an alfalfa pellet with apple flavouring.
EquineSaver (Figuerola Laboratories)
HealthHealth
HerbHerb
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
EquineSaver by Figuerola Laboratories is a supplement that contains over 300 nutrients and is intended to support overall health in all horse types.
Equipride (Sweetpro)
Feed EfficiencyFeed Efficiency
PrebioticPrebiotic
Ration BalancerRation Balancer
VitaminsVitamins
SweetPro's EquiPride® loose meal is a complete vitamin and trace mineral supplement with no added molasses. It uses fermented ingredients to support gut health. It is suitable for horses and ponies of all ages and work levels.
Equisel-Lyte (Omega Alpha)
Amino AcidAmino Acid
ElectrolyteElectrolyte
MuscleMuscle
RecoveryRecovery
Omega Alpha Equisel-Lyte is an electrolyte and Branched Chain Amino Acid (BCAA) supplement for horses. It is formulated to support exercise recovery and muscle growth.
EquiTub (Purina)
Coat QualityCoat Quality
Gut HealthGut Health
NutritionNutrition
UlcersUlcers
Purina® EquiTub® with ClariFly® Larvicide is a free-choice ration balancer in a tub format with added ingredients to support fly control. EquiTub is designed for mature horses on pasture or drylot.

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