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Identify gaps in your horse's nutrition program to optimize their well-being.
Magnesium Oxide - Feed Ingredient
Magnesium Oxide is an inorganic compound composed of magnesium and oxygen. It is typically produced through the calcination of magnesite (magnesium carbonate) or by processing magnesium hydroxide derived from seawater. As a fine, white powder, Magnesium Oxide is valued for its high concentration of magnesium and stability under a range of conditions.
In equine diets, Magnesium Oxide serves as a supplemental source of magnesium, an essential mineral that supports muscle function, nerve conduction, and bone integrity. It is commonly included in feed formulations or supplements to help horses meet their daily magnesium requirements, especially when forages or other dietary components do not supply adequate levels. The bioavailability of Magnesium Oxide can vary depending on factors such as particle size and overall diet composition.
The following equine feeds, supplements and products contain Magnesium Oxide as an ingredient.
Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
Hoof Health
Metabolic Syndrome
Organic Trace Minerals
VitaminsAminoTrace+ 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)
Antioxidant
Health
HerbMetabolic SyndromeMagneChrome 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)
CalmingHealth
Ingredient
MuscleMagnesium 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)
AntioxidantOrganic Trace Minerals
RecoveryVitaminsNatural 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 HealthHoof Health
Mineral BalanceOrganic Trace Minerals
Ration BalancerOmneity 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 HealthMineral BalanceOrganic Trace MineralsVitaminsOmneity 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.
Legend (Barastoc)
Gut HealthHealth
Nutrients
Weight IssuesLegend from Barastoc is a feed that is oat free. It is low in starch and it can contribute to weight gain and body condition. It is meant to help with gut health and provides minerals and vitamins.
Leisure Mix (Red Mills)
Complete Feed
Coat Quality
Easy Keeper
ExerciseLeisure Mix from Red Mills is an oat-free feed intended for leisure horses in light to moderate work. This feed is designed to support performance, coat and skin condition, and a balanced temperament.
Lifeforce Elite Performance (Alltech)
Joints
PerformanceRecovery
StressLifeForce Elite Performance by Alltech is a powdered supplement intended to support complete wellness in performance horses.
Liqui Lyte (Uckele)
ElectrolyteExercise
HydrationRecoveryLiqui Lyte is a liquid electrolyte supplement that supplies calcium, sodium, chloride, and magnesium lost in sweat. It utilizes maltodextrin as a simple sugar to increase electrolyte absorption.
Lite (Triple Crown)
FiberHealthMetabolic SyndromeWeight IssuesTriple Crown Lite is a palatable, low-calorie, high-fiber pellet fortified with vitamins and minerals. This feed is intended for horses or ponies prone to laminitis and insulin resistance and tends to gain weight easily. This feed has an NSC of 9.5%.
Lite & Low (CFC Farm Home Center)
Fiber
Low NSC FeedsMineral BalanceVitaminsLite & Low from CFC Farm Home Center is a pelleted feed meant for maintenance horses or light work. It contains low sugar and starch.
Lite Ration Balancer (Lifeline)
Broodmare
Growth
LactationNutrientsLite Ration Balancer by Lifeline is a pelleted supplemented intended for growing horses and pregnant/lactating broodmares.
Llama Concentrate Pellet (Bar Ale)
FiberHealth
NutritionVitaminsLlama Concentrate Pellet is a pelleted feed intended for llamas of all ages. It contains 18% protein, 2.9% fat, and 18.5% fiber.
LMF Senior (LMF Horse Feeds)
Complete FeedFiberJoints
SeniorLMF Senior is a pelleted complete feed for aged horses. It contains ingredients to support joint and gut health.
LMF Senior Low Carb (LMF Horse Feeds)
Complete Feed
Grain FreeJointsSeniorLMF Senior Low Carb feed is a soybean- and alfalfa-based feed for mature horses. It contains 13% crude protein, 8% fat, and 8% NSC.
Lone Star Trace MS-051120 (HorseTech)
Mineral BalanceNutrientsOrganic Trace MineralsVitaminsLone Star Trace MS-051120 is a custom vitamin and mineral supplement for horses. It contains milled flaxseed, added amino acids and organic trace minerals.
Longevity (McCauley’s Equine Formulas)
Gut HealthSeniorStressWeight IssuesLongevity is a pelleted horse feed targeted to senior and stressed horses. It is designed to support body condition and gut health in senior horses.
Loose Horse Mineral GFC (Masterfeeds)
ExerciseMineral BalanceNutrientsVitaminsMasterfeeds Loose Horse Mineral GCF is a powdered mineral and vitamin supplement designed to be fed with a forage-based diet. This supplement provides nutrients required in times of stress or during periods of heavy exercise and growth.
Low ‘N Steady (Buckeye)
Low NSC FeedsMetabolic SyndromeNutrientsSeniorLow 'N Steady by Buckeye is a low NSC (8.5%) ration balancer intended for mature horses, and metabolic horses or ponies.
Low Cal Cruiser (Barastoc)
DigestionGut HealthNutrientsWeight IssuesLow Cal Cruiser from Barastoc is a feed meant for horses that are resting, in light work, or who have weight issues. It has a low starch and calorie content that can also support gut health and digestive abilities.
Low Molasses 12% (Brooks)
Easy KeeperNutritionPerformanceSeniorBrooks 12% from Brooks is a textured horse feed. 12% Sweet Feed is intended for mature horses. This feed contains 12% crude protein and 4% fat.
Low Non-Structural Carbohydrate Feed (LMF Horse Feeds)
Amino AcidLow NSC FeedsMineral BalanceVitaminsThis feed from LMF Horse Feeds contains low levels of starch and sugar. It is a pelleted feed that is meant to provide minerals, vitamins, amino acids, and omega fatty acids.
Low Starch (Banks Mill Feeds)
Grain FreeMineral Balance
ProteinVitaminsBanks Low Starch is a 14.5% NSC feed intended for horses at risk of digestive upsets and metabolic concerns. This corn-free feed contains wheat middling, soybean meal, vegetable oil, and cane molasses.
Low Starch (Triple Crown)
Complete FeedGrain FreeMetabolic SyndromeSeniorTriple Crown Low Starch is a pelleted feed containing a lower level of 13.5% NSC. It has no corn, molasses or alfalfa meal which can cause excitability in horses.
Low Starch Horse Feed (New Country Organics)
Low NSC FeedsMetabolic SyndromeNutritionProteinLow Starch Horse Feed by New Country Organics is a textured feed intended for easy-keepers. It contains organic grains, probiotics, prebiotics, live yeast, and enzymes meant to support hindgut health.
Low Starch Omega Plus (Equine Advantage)
Caloric Energy
FatFiberNutritionLow Starch Omega Plus is intended for horses that need moderate to significant calories added to their diet. This diet is suitable for horses with Insulin Resistance, Cushing's Disease, and PSSM due to the low NCS.
LQ-Performance (DAC)
HealthNutrientsOrganic Trace MineralsVitaminsLQ-Performance by DAC is a liquid vitamin and mineral supplement. It is formulated with chelated trace minerals, selenium, and chromium.
Luminance Fortified Equine Conditioning Supplement (Hallway Feeds)
Caloric Energy
Omega 3-6-9PerformanceWeight IssuesHallway Luminance is a fat supplement for horses that require additional body condition. It is formulated to add calories to the diet for performance horses and horses being prepared for sale.
M Power (NAF Equine)
AntioxidantGrowthMuscleNutrientsM Power from NAF Equine is intended for performance horses, young horses, and growing horses. This supplement is meant to support performance, stamina, and muscle development.
M V Balancer Original (Matrix)
NutrientsProteinRation BalancerVitaminsM V Balancer Original by Matrix is a pelleted ration balancer with a high protein content of 20%. It supplies a concentrated level of vitamins and minerals.
M10 Balancer (McCauley’s)
Easy KeeperMineral BalanceSeniorVitaminsM10 Balancer by McCauley's is a pelleted vitamin and mineral supplement intended for horses at maintenance or in light work.
M30 (McCauley’s)
HealthMineral BalanceNutrientsPerformanceM30 by McCauley's is a supplement intended to balance the diet of all horse types.
Mag-Right Nerve Care & Calming Powder (Animed) – Discontinued
CalmingHealthMineral BalanceMuscleANIMED Mag-Right Nerve Care is a calming powdered horse supplement providing a blend of organic and inorganic magnesium. Magnesium is a macromineral that plays a role in nerve and muscle function.
MagCalm (Equestrizone)
Calming
EnergyIngredientPerformanceMagCalm from Equestrizone is a natural equine calming supplement with equal parts magnesium and potassium to help ease horses who become anxious or over-excited. It can also support stamina and energy levels.
Magic (NAF Equine)
Calming
Competition HorsesHerbStressMagic from NAF Equine is a supplement that is intended to support calming behaviours in all horses and ponies. This supplement contains magnesium, Withania, and hops.
Magic Mineral (Farrier’s Magic)
Coat QualityHoof HealthMineral BalanceVitaminsMagic Mineral is a supplement intended for equines of all ages. The supplement helps support healthy hooves and coats.
Magnesium (Krafft)
ExerciseIngredientMineral BalanceMuscleMagnesium by Krafft is a supplement intended when a deficiency has been confirmed or can be used as a preventative when forage has low magnesium levels.
Magnesium 5000 (MVP)
Calming
ImmunityMineral BalanceMuscleMagnesium 5000 by MVP is a pelleted supplement for horses that intends to help support normal muscle function and glucose metabolism. It contains magnesium oxide, which is an inorganic source of magnesium.
Magnesium Oxide (MagOx)
CalmingHealthMetabolic Syndrome
StaminaMagnesium oxide is a concentrated and cost-effective source of the mineral magnesium to add to the equine diet. It provides 56% elemental magnesium with 70% absorption from the gut.
Magnesium Oxide (Pegasus)
CalmingCompetition HorsesIngredientStressMagnesium Oxide from Pegasus is meant to support calming behavior. This supplement is intended for horses and ponies that are exposed to stressful situations.
Magnesium Oxide Pure (Basic Equine Nutrition)
Bone HealthHealthIngredient
MetabolismMagnesium Oxide Pure by Basic Equine Nutrition is a highly concentrated source of magnesium oxide. It supports healthy bone development as well as proper carbohydrate and mineral metabolism.
Magnitude Powder (Equine America)
CalmingHealthMineral BalanceStressMagnitude Powder from Equine America is a supplement that is meant to support the nervous system and assist with relaxation and calmness. It contains magnesium and calcium.
MagOx (HorseTech)
CalmingHoof HealthMetabolismMuscleMagOx from HorseTech is a powdered magnesium oxide supplement that provides 56% elemental magnesium (Mg). MagOx is used to support a healthy nervous system and proper muscle function in horses.
Maintenance Horse Feed (DuMOR)
Easy KeeperHealthImmunityNutritionMaintenance Horse Feed from DuMOR is a pelleted feed intended for easy keepers. This feed contains added vitamins, minerals and probiotics intended for horses in any life stage.
Makor (St.Hippolyt)
CalmingPerformanceRecoveryStressMakor by St.Hippolyt is a supplement high in magnesium and Vitamin E intended to support horses in intense competition and training.
Mare & Foal (Seminole)
Broodmare
FoalGrowthLactationSeminole Mare & Foal™ is a textured feed designed for foals, weanlings, and late-gestation or lactating broodmares. This oat-based feed contains corn, digestible fibre, added lysine, and chelated trace minerals.
Mare & Youngstock Concentrate (Dodson & Horrell)
BroodmareFoalGrowthNutritionMare & Youngstock Concentrate by Dodson & Horrell is a feed designed to support the easy keeper broodmare and her foal. This feed includes vitamins and minerals and an elevated protein level to support optimal growth for the foal and maintain the mare.
Mare Cube (Excel Equine Feeds)
BroodmareGrowthNutrientsNutritionMare Cube by Excel Equine Feeds is a cubed feed fortified with protein, amino acids, vitamins and minerals. It is intended for broodmares and growing horses.
Mare Foal & Youngstock (NAF Equine)
BroodmareFoalGrowthMineral BalanceMare Foal & Youngstock from NAF Equine is intended for broodmares, foals, and growing horses. This supplement is intended to provide adequate vitamins and minerals to support growth.
Mare Support (Pureform)
Calming
MareMineral BalanceVitaminsMare Support is a vitamin/mineral supplement formulated for horses on a grass-based diet. It contains glucosamine and MSM for joint health, B-vitamins, organic microminerals and vitex agnus-castus (chasteberry).
Mare-Foal II-P (Pellets) (MVP)
BroodmareFoalMineral BalanceVitaminsMare-Foal II-P by MVP is a pelleted supplement designed for broodmares and foals. It contains vitamins, minerals, probiotics and an elevated protein level that intend to support proper development.
Mare’s Match® Foal Transition Pellets (Land O Lakes)
FatFoalGrowthProteinMare's Match® Foal Transition Pellets is a milk-based feed targeted to weanlings transitioning to solid feed. It is a source of protein, fat, vitamins and minerals.
MareKare (AniMed)
BroodmareLactationNutrientsVitaminsMareKare from AniMed is a made for pregnant and lactating mares. This vitamin and mineral supplement is meant to provide extra nutrients and help maintain body condition during breeding, foaling, and lactating.
Mass-No-Sass (Daily Dose Equine)
DigestionFiber
ForageWeight IssuesMass-No-Sass by Daily Dose Equine is a hay-based feed with high fat and fibre. It is intended to be digested in the foregut, allowing a horse to maintain focus and calm during training.
Mature Horse (Bar Ale)
Complete FeedJointsNutritionSeniorMature Horse is intended to support overall health and nutrient requirements for an adult to a senior horse. It contains glucosamine which is meant to support joint health.
