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Ingredient

Magnesium

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.

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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
EnergyEnergy
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
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 support of normal insulin sensitivity which is critical for horses with metabolic conditions such as insulin resistance, laminitis and PPID.
Magnesium Oxide (Mad Barn)
CalmingCalming
HealthHealth
IngredientIngredient
MuscleMuscle
Magnesium Oxide is a concentrated source of magnesium that can be added to equine diets to help maintain adequate magnesium intake. Magnesium supports normal muscle and nerve function and plays a role in electrolyte balance, energy metabolism, and overall neuromuscular health.
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.
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 gut supplement designed to support stomach and hindgut health in horses. It helps maintain normal digestive function, supports gastric comfort, and helps maintain the immune system.
Meta-Librium (Equi-Force)
CalmingCalming
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Meta-Librium is a supplement intended to help manage metabolic syndrome and insulin resistance in horses and ponies. It contains magnesium, lipoic acid, vitamin E and C, and L-Carnitine, enhancing insulin action.
Meta-Support (Basic Equine Nutrition)
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
MuscleMuscle
Weight IssuesWeight Issues
MetaSupport is formulated with several key nutrients to support metabolic health. It contains chromium yeast and magnesium oxide, which are thought to promote insulin secretion and sensitivity.
Metabo-Balance (Equine Veterinary Essentials)
AntioxidantAntioxidant
HealthHealth
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Metabo-Balance by Equine Veterinary Essentials is a supplement intended for horses with metabolic issues. It is a powdered supplement composed of Fenugreek, Magnesium Citrate, Cinnamon and Chromium Propionate.
Metabolic (DAC)
CirculationCirculation
MetabolismMetabolism
Mineral BalanceMineral Balance
StressStress
Metabolic from dac is a supplement that is intended to support metabolism relating to blood glucose levels. It is also meant to assist with circulation and managing stress.
Metabolic Miracle (Aterak Nutrition)
Grain FreeGrain Free
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Metabolic Miracle by Aterak Nutrition is a feed targeted toward horses or ponies with metabolic disorders (Cushing's, Founder, Laminitis). This feed contains the vitamins and minerals necessary to support a well-balanced diet and is high in fibre.
MetaBoost (Pureform)
Amino AcidAmino Acid
AntioxidantAntioxidant
ToplineTopline
VitaminsVitamins
MetaBoost from Pureform is a supplement for horses that contains antioxidants, vitamins, amino acids and minerals. It is meant to support digestion, muscles, and topline.
Metaslim (Simple System Horse Feeds)
IngredientIngredient
Metabolic SyndromeMetabolic Syndrome
NutrientsNutrients
Weight IssuesWeight Issues
Metaslim is a pelleted equine feed designed for horses who have metabolic issues. It is a highly palatable feed suitable for overweight horses.
Micro-Max (Kentucky Equine Research)
Gut HealthGut Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
KER Micro-Max is a vitamin/mineral supplement intended for horses on high-forage diets. It contains macro- and micro-minerals, and vitamins A, D and E.
Microfeed (Dodson & Horrell)
Amino AcidAmino Acid
ExerciseExercise
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
Microfeed 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 yeast for good digestive function.
Midwestern Sweet Mix (Country Road)
Easy KeeperEasy Keeper
IngredientIngredient
NutrientsNutrients
NutritionNutrition
Midwestern Sweet Mix from Country Road is a multi-purpose livestock feed. Midwestern Sweet Mix is a textured feed with added molasses.
Mighty-Lyte (Equi-lete)
ElectrolyteElectrolyte
HydrationHydration
Mineral BalanceMineral Balance
VitaminsVitamins
Mighty-Lyte by Equi-lete is an electrolyte supplement that is intended to support hydration and provide vitamins and minerals. It is meant for horses in hot weather.
Mighty-Lyte Paste (Equi-lete)
ElectrolyteElectrolyte
HydrationHydration
Mineral BalanceMineral Balance
VitaminsVitamins
Mighty-Lyte Paste from Equi-lete is an electrolyte paste that is meant to support hydration and replace electrolytes. It contains vitamins and minerals.
Milk & Grow Pellets (Uckele)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Milk & Grow Pellets is a vitamin, mineral, probiotic, and amino acid pelleted supplement formulated for lactating and gestating mares as well as growing foals that have increased nutrient demands.
Milk of Magnesia PLUS (Cox Vet Lab)
Gut HealthGut Health
PerformancePerformance
RecoveryRecovery
StressStress
Milk of Magnesia PLUS is a liquid supplement of calcium and magnesium intended for performance horses. It may also be beneficial for horses undergoing stressful situations.
Min-A-Vite (Blue Seal) [DISCONTINUED]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Min-A-Vite from Blue Seal is a vitamin and mineral supplement intended for horses and ponies of all ages and work levels. Min-A-Vite uses a mix of inorganic and organic trace minerals.
MIN-AD – Calcium Magnesium (Papillion)
DigestionDigestion
HindgutHindgut
ProbioticProbiotic
UlcersUlcers
MIN-AD is an acid buffer additive containing magnesium carbonate. This supplement is a bioavailable source of Ca (22%) and Mg (12%) and can support gut microbial growth. MIN-AD is intended to be used for cattle.
Mind, Body & Sole – Alfalfa (Equine Challenge)
DigestionDigestion
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Skin + HairSkin + Hair
Mind, Body & Sole - Alfalfa by Equine Challenge is a ration balancer intended to support overall health in horses on alfalfa diets.
Mind, Body & Sole – GRASS (Equine Challenge)
DigestionDigestion
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Skin + HairSkin + Hair
Mind, Body & Sole - GRASS by Equine Challenge is a ration balancer intended to support overall health in horses on grass diets.
Miner High Phosphorus (Krafft)
ElectrolyteElectrolyte
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Miner High Phosphorus by Krafft is a pelleted mineral supplement intended to balance high levels of calcium in available forage. It is designed for horses in all levels of work.
Miner Original (Krafft)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Miner Original by Krafft is a pelleted mineral supplement intended for horses in moderate work. It is designed for horses with access to low quality forage.
Miner Original Powder (Krafft)
ElectrolyteElectrolyte
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Miner Original Powder is a mineral supplement intended for horses in moderate work that have assess to low quality forage.
Miner Summer (Krafft)
ElectrolyteElectrolyte
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Miner Summer by Krafft is a mineral supplement intended for horses mainly on pasture or a forage diet, especially if the mineral content is insufficient.
Miner VitaMinerals (Krafft)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Miner VitaMinerals by Krafft is designed for high-performance horses that have access to forage with insufficient mineral levels.
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 Builder Plus (Formula 707)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Muscle Builder Plus from Formula 707 is a pelleted supplement intended to support hoof support, muscle growth, and contains vitamins and minerals.
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.
Muscle+ (Advanced Equine Nutrition)
Bone HealthBone Health
MuscleMuscle
PerformancePerformance
ToplineTopline
Muscle+ by Advanced Equine Nutrition is intended to support muscle, bone health and gut health. It contains amino acids and magnesium oxide.
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.
Native Feed Balancer (Blue Chip Feed)
CalmingCalming
Hoof HealthHoof Health
ImmunityImmunity
Ration BalancerRation Balancer
Native Feed Balancer from Blue Chip Feed contains biotin to support hoof health, Vitamin E to support a healthy immune system, and magnesium to support calm behaviour. This balancer is intended for all horses and ponies.
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.

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