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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.
Mineral & Vitamin Formulation (Wild Gold)
Organic Trace MineralsOrganic Trace Minerals
ProbioticProbiotic
Ration BalancerRation Balancer
Toxin BinderToxin Binder
Wild Gold Mineral and Vitamin Formulation is an equine supplement containing probiotics, prebiotics, zeolite clay, salt, trace minerals, and vitamins, including biotin
MinerEQ (Omega Alpha)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
MinerEQ by Omega Alpha is a powdered vitamin and mineral supplement for horses that provides essential minerals, trace elements, vitamins, and antioxidants to maintain good health.
Miniature Horse and Pony (Purina)
EnergyEnergy
Gut HealthGut Health
NutritionNutrition
ProteinProtein
Purina® Miniature Horse and Pony is a pelleted concentrate feed intended for all classes of miniature horses and ponies. These animals have different metabolic needs compared to other horses.
Mint Balancer (Horslyx)
FlavorFlavor
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Mint Balancer from Horslyx is designed for all horses and ponies, both competition and leisure, stabled and grass kept. This balancer contains peppermint oil to help support palatability and biotin to support hoof health.
Mobility Balancer (Horslyx)
Hoof HealthHoof Health
JointsJoints
Mineral BalanceMineral Balance
SeniorSenior
Mobility Balancer from Horslyx is designed to support joint health and mobility and hoof health. This balancer is intended for active horses of all ages, specifically performance and senior horses.
Moore Power 12-8 (Thomas Moore Feed)
FatFat
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
Moore Power 12-8 by Thomas Moore Feed is a pelleted feed that contains 12% protein and 8% fat. It is intended to balance the diet, assist with body conditioning, and contains vitamins and minerals.
Moore Power 14-10 (Thomas Moore Feed)
EnergyEnergy
GrowthGrowth
NutrientsNutrients
PerformancePerformance
Moore Power 14-10 from Thomas Moore Feed is a high energy feed that is intended for breeding, growing, or performance horses. It contains protein, fat, fiber, vitamins and minerals.
Moulee HM 13% Liberte (Nature Belisle)
Complete FeedComplete Feed
GrainsGrains
NutritionNutrition
PerformancePerformance
Moulee HM 13% Liberte is a textured feed intended for performance horses and those in heavy work. It contains 13% protein, 6.09% fat, and 7.86% fibre.
Moulee Jument 16% Liberte (Nature Belisle)
BroodmareBroodmare
Complete FeedComplete Feed
NutritionNutrition
ProteinProtein
Moulee Jument 16% Liberte is a cubed feed intended for broodmares. It contains 16% protein, 4.85% fat, and 8.35% fibre.
Moulee Poulain Liberte 17% (Nature Belisle)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
NutritionNutrition
Moulee Poulain Liberte 17% by Nature Belisle is intended for horses and ponies aged 0-2 years of age. This cubed feed contains 17% protein as its primary energy source.
Moulee Q-F 15% Liberte (Belisle)
EnergyEnergy
FatFat
FiberFiber
NutritionNutrition
Moulee Q-F 15% is a complete feed with 15% crude protein and 7% crude fat. It also contains vitamin E and selenium. This feed is intended for all horses and ponies.
Moulée Quali-Fibre (Nature Belisle)
FiberFiber
Omega 3-6-9Omega 3-6-9
ProbioticProbiotic
VitaminsVitamins
Moulee Quali-fibre is a feed intended for horses with higher energy demands, such as performance horses. It contains 15% protein, 7% fat and 23% fibre with added vitamin E and selenium.
Move Free (Dunstan)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
Move Free by Dunstan is a textured feed formulated to support horses who are prone to "Tying-Up". It is intended for horses with high energy demands but are unable to tolerate high grain diets. It contains sugarbeet and soybean hulls to provide calories from low starch, high fibre sources.
Mtn. Kewl (AniMed)
Mineral BalanceMineral Balance
NutrientsNutrients
StressStress
VitaminsVitamins
AniMed's Mtn. Kewl is a supplement meant to provide horses with calcium, magnesium, and vitamin B-1. It is a bioavailable source of these nutrients and they are meant to help with energy production and anxiety.
MuesliMax (Hallway)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
FatFat
MuesliMax from Hallway is a sweet feed fortified with Stamm 30 formulated for high-performance horses with high energy needs. This feed provides energy from oats, barley, vegetable oil, and black sunflower seeds. MuesliMax contains 11% protein, 8% fat, and 10% fibre.
Multi-Species Milk Replacer (Hubbard Feeds)
Bone HealthBone Health
FoalFoal
GrowthGrowth
NutritionNutrition
Hubbard® Life Multi-Species Milk Replacer supplies complete nutrition for foals, goat kids, lambs, calves and piglets. It is used to replace or supplement mother's milk with all-milk protein sources and high fat.
MultiSentials 1:1 (Sentinel Care)
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
PerformancePerformance
VitaminsVitamins
MultiSentials 1:1 by Sentinel Care is a complete granular supplement formulated to correct nutritional deficiencies caused by hay and pasture-based diets. It is suitable for all classes of working horses
Munga (Hygain)
Easy KeeperEasy Keeper
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Munga from Hygain is a textured feed intended for horses in light to medium work levels. Munga contains 13% NSC, 25% crude protein and 11% crude fat.
Munga (Mitavite)
Bone HealthBone Health
Grain FreeGrain Free
Gut HealthGut Health
PerformancePerformance
Munga by Mitavite is a grain-free, low starch muesli intended to meet the nutritional needs of performance horses.
Muscle-UP (AniMed)
ElectrolyteElectrolyte
ExerciseExercise
MuscleMuscle
RecoveryRecovery
AniMed Muscle-UP Powder is a horse supplement targeted to performance horses. It is advertised to support muscle recovery, normal lactic acid levels, proper electrolyte balance and body fluid levels.
Muscle-UP Max Recovery (AniMed)
ExerciseExercise
HealthHealth
MuscleMuscle
RecoveryRecovery
Muscle-UP Max Recovery from AniMed is meant to aid in the recovery of the horse, both physically and mentally, after exercising or shows. It aims to improve the health of horses.
Myo-Guard (Kentucky Performance Products)
AntioxidantAntioxidant
MuscleMuscle
PerformancePerformance
VitaminsVitamins
Myo-Guard from Kentucky Performance Products aims to provide muscle support and strength by providing antioxidants.
Natur-Alfa Oat (Excel Equine Feeds)
EnergyEnergy
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Alfa Oat from Excel Equine feeds is a cubed feed. Natur-Alfa Oat is an oat-alfalfa feed intended for a wide range of horse lifestyles.
Natur-Oat (Excel Equine Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Oat from Excel Equine Feeds is a cubed feed. Natur-Oat is intended for horses in various life stages and is composed of ground oats.
Natural Balance (Havens Horsefeed)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Natural Balance by Havens Horsefeed is an oat- and molasses-free textured feed. It contains wheat, puffed corn, alfalfa meal, and added vitamins and minerals. This feed is intended for nervous horses and those prone to laminitis, summer itch, and insulin resistance.
Natural Blend Performance (Bluebonnet Feeds)
GrainsGrains
NutrientsNutrients
PerformancePerformance
ProbioticProbiotic
Natural Blend Performance from Bluebonnet Feeds is intended for horses at all life stages with added soybean as a source of fat. It contains 12% protein, 10% fat, and 15% fibre, with added probiotics and organic trace minerals.
Natural Digestive Support – BioEquine Supplement
DigestionDigestion
Mineral BalanceMineral Balance
ProbioticProbiotic
Toxin BinderToxin Binder
BioEquine Natural Digestive Support is an equine gut health supplement containing probiotics, toxin binders, Diatomaceous Earth, minerals, vitamins and amino acids.
Naturals Pelleted Horse Feed (Triple Crown)
Complete FeedComplete Feed
EnergyEnergy
HealthHealth
ProteinProtein
Triple Crown Naturals is a pelleted horse feed made with GMO-free ingredients and without corn, soybean, or molasses. Energy sources include alfalfa meal, ground oats, wheat middlings, and flaxseed.
Naturals Timothy Balance Cubes (Triple Crown)
FiberFiber
ForageForage
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Triple Crown Naturals Timothy Balance® Cubes are a forage replacement composed of timothy hay, beet pulp, and added minerals. Forage cubes are a high-fibre, low-protein, and low-NSC feed option for horses with metabolic concerns.
NaviculaSaver (Bursitex)
HealthHealth
HerbHerb
JointsJoints
Mineral BalanceMineral Balance
NaviculaSaver from Bursitex is an all-natural nutraceutical intended to support navicular health. This supplement contains glucosamine, MSM, and hyaluronic acid intended to promote joint health in horses.
NaviculaSaver (Figuerola Laboratories)
AntioxidantAntioxidant
Bone HealthBone Health
HealthHealth
Hoof HealthHoof Health
NaviculaSaver by Figuerola Laboratories is a bone supplement. It is formulated with glucosamine, chondroitin, MSM, and hyaluronic acid.
Next Level Joint (pellet) (Farnam)
ExerciseExercise
GrowthGrowth
JointsJoints
SeniorSenior
Next Level Joint by Farnam is pelleted supplement that contains glucosamine, chondroitin, perna mussel and MSM. The recommended feeding rate is 1 oz (30 grams) per day.
Nice -N- Eze (Cox Vet Lab)
Amino AcidAmino Acid
MetabolismMetabolism
Metabolic SyndromeMetabolic Syndrome
MuscleMuscle
Nice-N-Eze is a calming supplement intended to help horses during stressful situations such as competition and travelling.
Nicker Makers (Purina)
FlavorFlavor
IngredientIngredient
NutrientsNutrients
NutritionNutrition
Nicker Makers by Purina is a highly palatable horse treat intended for adult horses.
No.10 Racehorse Mix (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
GrainsGrains
PerformancePerformance
No.10 Racehorse Mix by Baileys Horse Feeds is intended for racehorses in moderate to heavy work. This feed contains readily available energy from ingredients such as micronized peas, micronized maize, micronized soya beans, and bruised oats.
No.11 Racehorse Cubes (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
GrainsGrains
NutritionNutrition
PerformancePerformance
Baileys Horse Feeds No. 11 Racehorse Cubes are intended for racehorses in moderate to heavy work that selectively feed. This pelleted feed contains 26% starch and 13% protein.
No.14 Lo-Cal Balancer (Baileys Horse Feeds)
Easy KeeperEasy Keeper
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Ration BalancerRation Balancer
No.14 Lo-Cal Balancer from Baileys Horse Feeds is intended for horses and ponies at rest or in light work or those who are laminitis prone. This feed contains 30mg/kg of Biotin, which is proven to support hoof health.
No.15 Senior Mix (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
GrainsGrains
NutritionNutrition
SeniorSenior
No.15 Senior Mix from Baileys Horse Feeds is a feed mix intended for senior horses and ponies. This feed mix contains 27% starch, 14% fiber, and 12.5% protein.
No.16 Racing Light Mix (Baileys Horse Feeds)
Complete FeedComplete Feed
ExerciseExercise
NutritionNutrition
PerformancePerformance
No.16 Racing Light Mix from Baileys Horse Feeds is intended for racehorses with low energy requirements, including those on stall rest or recovery. This textured feed contains 12% protein which aids in muscle and tissue development and repair.
No.17 Top Line Conditioning Mix (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
GrainsGrains
ToplineTopline
Weight IssuesWeight Issues
No.17 Top Line Conditioning Mix from Baileys Horse Feeds is intended for underweight, competing, and young or weak horses and ponies needing to build a topline. This feed contains highly digestible starch as it is free from whole oats with cereals that have been micronized.
No.2 Working Cubes (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
GrainsGrains
No.2 Working Cubes from Baileys Horse Feeds is intended for horses and ponies in competition, heavy work, and young horses beginning training. This feed is high in fiber and low in starch, ideal for the horses and ponies mentioned above.
No.20 Slow Release Condition & Competition Mix (Baileys Horse Feeds)
Competition HorsesCompetition Horses
GrainsGrains
NutritionNutrition
Weight IssuesWeight Issues
No.20 Slow Release Condition & Competition Mix from Baileys Horse Feeds is intended for horses and ponies in heavy work to help them improve topline and condition. This feed contains 12% fiber and 10% fat which contributes to the slow release of calories.
No.21 Ease & Excel (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
FiberFiber
Gut HealthGut Health
UlcersUlcers
No.21 Ease & Excel from Baileys Horse Feeds is intended for excitable horses that need calories for condition and performance and those prone to gastric ulcers. This feed contains 18% fiber high in pectins and helps protect the stomach lining.
No.22 Prep-Ease (Baileys Horse Feeds)
CalmingCalming
Complete FeedComplete Feed
NutritionNutrition
ToplineTopline
No.22 Prep-Ease from Baileys Horse Feeds is targeted at young horses and ponies needing to gain topline/condition and those in early training. This feed has an NSC value of 25%.
No.23 Racing Light Cubes (Baileys Horse Feeds)
ExerciseExercise
NutritionNutrition
PerformancePerformance
RecoveryRecovery
No.23 Racing Light Cubes by Baileys Horse Feeds is intended for racehorses needing a low-calorie diet but still bale to provide adequate nutrients for growth, tissue repair, or recovery. The feed's primary energy source is the 20% fiber content.
No.24 Ease & Excel Cubes (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
PerformancePerformance
ProteinProtein
Weight IssuesWeight Issues
No.24 Ease & Excel Cubes from Baileys Horse Feeds is intended for performance horses and ponies with increased caloric intake requirements. This feed contains no whole cereal grains, which would slow the passage of the feed.
No.3 Stud & Youngstock Cubes (Baileys Horse Feeds)
BroodmareBroodmare
LactationLactation
NutrientsNutrients
StallionStallion
No.3 Stud & Youngstock Cubes from Baileys Horse Feeds is intended for pregnant and lactating horses, growing youngstock, and covering stallions.
No.4 Top Line Conditioning Cubes (Baileys Horse Feeds)
Competition HorsesCompetition Horses
ExerciseExercise
ToplineTopline
Weight IssuesWeight Issues
No.4 Top Line Conditioning Cubes from Baileys Horse Feeds is intended for underweight, performance, young, under muscled, and older (with poor dental health) horses and ponies. This feed contains 12.5% protein and 26% starch making it a very high-energy feed.
No.5 Yearling Cubes (Baileys Horse Feeds)
Caloric EnergyCaloric Energy
FoalFoal
GrowthGrowth
MuscleMuscle
No.5 Yearling Cubes from Baileys Horse Feeds is intended for yearlings to three-year-olds. This pelleted feed mix is highly energy-dense, containing 32% starch and 15% protein.
No.6 All-Round Endurance Mix (Baileys Horse Feeds)
Competition HorsesCompetition Horses
FatFat
GrainsGrains
StaminaStamina
No.6 All-Round Endurance Mix from Baileys Horse Feeds is intended for performance horses needing a slow release of energy. The 10% fat content of this feed is what provides the slow release of energy.

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