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Methionine - Feed Ingredient

Methionine is a sulfur-containing essential amino acid that plays a crucial role in protein synthesis, metabolism, and various physiological functions in horses. As an essential amino acid, it must be obtained from the diet since horses cannot synthesize it internally.

In equine nutrition, methionine serves as a precursor for other sulfur-containing compounds, such as cysteine and taurine, which are important for tissue repair, antioxidant function, and keratin formation. It is particularly relevant in hoof health due to its role in keratin synthesis, the primary structural protein in hooves and hair. While methionine is naturally present in forages and protein-rich feeds, supplementation may be necessary in diets that are low in high-quality protein sources.

The following equine feeds, supplements and products contain Methionine 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.
DL-Methionine (Mad Barn)
Amino AcidAmino Acid
Coat QualityCoat Quality
Competition HorsesCompetition Horses
IngredientIngredient
Methionine is an essential amino acid that is important for maintaining healthy tendons, ligaments, and hooves. Growing horses and horses who are in heavy exercise have a higher demand for methionine and would benefit from supplementation.
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.
Three Amigos (Mad Barn)
Amino AcidAmino Acid
MuscleMuscle
ProteinProtein
RecoveryRecovery
Three Amigos is an equine essential amino acid supplement containing lysine, methionine, and threonine in a 5:3:2 ratio. These are the three most common limiting amino acids in the horse's diet.
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.
12-12 Performance Horse (Matrix)
ExerciseExercise
FatFat
PerformancePerformance
ProteinProtein
12-12 Performance Horse by Matrix is a textured feed that provides high fat (12%) and moderate protein (12%) intended for performance horses.
12-8 Hi Fat Horse Pellet (Bryant Grain)
FatFat
HealthHealth
NutritionNutrition
PerformancePerformance
12-8 Hi Fat Horse Pellet from Bryant Grain is a pelleted feed intended for performance horses. This feed contains 12% crude protein and 8% fat.
12% Horse Pellet (Bryant Grain)
BroodmareBroodmare
HealthHealth
NutritionNutrition
PerformancePerformance
12% Horse Pellet from Bryant Grains is a pelleted feed intended for mature performance horses and broodmares. This feed is 12% crude protein and 10.50% crude fibre. 12% Horse Pellet contains added vitamins and minerals.
14% Performance (Running Horse)
Complete FeedComplete Feed
GrowthGrowth
LactationLactation
PerformancePerformance
Running Horse Performance is a texturized 14% protein and 6% fat feed formulated for performance, breeding and growing horses. It provides a higher energy density for equine athletes.
14% Performance Formula (Triple Crown) – [Discontinued]
ExerciseExercise
FlavorFlavor
PerformancePerformance
Weight IssuesWeight Issues
Triple Crown 14% Racing Formula is a discontinued feed which was a high-fat, high-energy feed containing a blend of grains and fat sources. It was designed for young performance horses, broodmares, breeding stallions, yearlings and weanlings.
14% Racing Formula (Triple Crown)-[Discontinued]
EnergyEnergy
ExerciseExercise
NutritionNutrition
PerformancePerformance
Triple Crown 14% Racing Formula is a high calorie textured feed containing a blend of grains with soybean meal and molasses. It is intended for young performance horses, broodmares, breeding stallions and growing foals.
14% Senior Textured (Tribute)
Complete FeedComplete Feed
FatFat
NutritionNutrition
SeniorSenior
Tribute 14% Senior Textured is a complete feed for mature horses composed of steam-rolled oats, barley, dried beet pulp, extruded whole soybeans, and dehydrated alfalfa meal.
16% Mare & Foal (Bryant Grain)
GrowthGrowth
HealthHealth
MareMare
NutritionNutrition
16% Mare & Foal from Bryant Grain is a pelleted feed intended for mares, weanlings and yearlings. This feed contains 16% crude protein and 5% fat.
30% Ration Balancer (Equine Advantage)
Omega 3-6-9Omega 3-6-9
ProteinProtein
Ration BalancerRation Balancer
VitaminsVitamins
30% Ration Balancer is intended to be fed alongside pasture or hay. It contains essential nutrients to support normal gut health, healthy hooves and coats.
4-In-1 (Meal) (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 by MVP is a premixed supplement for horses to that intends to support joint function, hoof growth, hair coat and digestive function. It contains glucosamine, chondroitin sulphate, biotin, omega 3 & 6, and probiotics.
4-In-1 H/A Joint Supplement (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
4-In-1 H/A Joint Supplement by MVP is a pelleted supplement that combines vitamins, minerals, and probiotics. It intends to support joint function, hoof growth, hair coat, and digestive system.
5-In-1 H/A (MVP)
Coat QualityCoat Quality
DigestionDigestion
Hoof HealthHoof Health
JointsJoints
5-In-1 H/A by MVP is a pelleted supplement for horses that intends to help support joint function. It is palatable with apple flavouring and contains glucosamine, hyaluronic acid, chondroitin sulphate, and MSM.
Accel Health and Wellness Formula (Vita Flex)
HealthHealth
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Accel Health and Wellness Formula is a vitamin and mineral supplement for horses. It contains both organic and inorganic trace minerals.
Accel Lifetime (Vita Flex)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Accel Lifetime is a vitamin and mineral supplement providing 18% crude protein. It contains a mix of organic and inorganic trace minerals.
Accelerate (Right Choice)
Coat QualityCoat Quality
FatFat
NutritionNutrition
Weight IssuesWeight Issues
Accelerate is a textured complete feed with 12% protein and 8% fat. It is formulated for performance horses with added yeast and a combination of organic and inorganic minerals.
Accelerate GH (Right Choice)
FatFat
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Accelerate GH is a pelleted complete feed with 12% protein, 8% fat, and 24% NSC. It contains organic minerals as well as pre and probiotics for digestive support.
Acti-Flex Senior (Cox Vet Lab)
FatFat
JointsJoints
ProbioticProbiotic
Weight IssuesWeight Issues
Acti-Flex Senior is a supplement intended to support joint health. It also contains extra fat and probiotics to help support gut health. Ideal for mature horses prone to stiffness and discomfort.
Alfa Essentials (Tribute)
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Alfa Essentials is a ration balancer formulated for diets that contain greater than 50% legume forages such as alfalfa. It provides higher phosphorous than calcium to balance elevated levels of calcium.
Alfa Growth (Tribute Equine)
Complete FeedComplete Feed
FatFat
GrowthGrowth
LactationLactation
Tribute Alfa Growth® is a textured feed for growing horses and pregnant or lactating broodmares that are consuming 50% or more legume forages such as alfalfa hay.
Alfa Prime (Running Horse)
EnergyEnergy
ExerciseExercise
Feed EfficiencyFeed Efficiency
PerformancePerformance
Alfa Prime is a complete extruded feed intended for equine athletes with 14% protein and 8% fat. It is formulated with digestible fibre from alfalfa meal and soybean hulls and utilizes vegetable oil, rice bran and flaxseed as fat sources.
Alfalfa Advantage (ProElite)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
ProElite Alfalfa Advantage is a low-feeding rate pelleted ration balancer intended to balance diets composed of alfalfa forages. It can be fed to all classes of horses.
Alfalfa Support (Pureform)
AntioxidantAntioxidant
JointsJoints
Mineral BalanceMineral Balance
VitaminsVitamins
Pureform Alfalfa Support is a vitamin/mineral supplement designed for horses on diets containing high levels of alfalfa hay. It is suitable for all life stages and includes ingredients for joint health, such as glucosamine and MSM.
AlfaMax RX (Alfamax Feed)
Complete FeedComplete Feed
DigestionDigestion
HealthHealth
Low NSC FeedsLow NSC Feeds
AlfaMax RX from Alfamax Feed is a complete pelleted feed. AlfaMax RX contains no soybean meal & is intended for horses' requiring a low NSC content (starch + sugars).
Align (OE Nutraceuticals)
Gut HealthGut Health
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Align is a vitamin and mineral supplement intended for performance horses. It contains prebiotics and probiotics which are meant to support gut health.
Alimet (Liquid Methionine Hydroxy Analogue)
Amino AcidAmino Acid
Coat QualityCoat Quality
Hoof HealthHoof Health
MuscleMuscle
ALIMET® is a liquid feed supplement that provides a highly absorbable form of the essential amino acid DL-methionine. ALIMET® supports antioxidant status, growth and muscle protein synthesis.
All Grain (Seminole)
Complete FeedComplete Feed
FlavorFlavor
GrainsGrains
NutritionNutrition
Seminole All Grain is a textured feed formulated with oats, corn, soybean meal and molasses. It contains 46% NSC, vitamins, chelated minerals, antioxidants, and yeast culture. This feed is intended for mature pleasure horses.
All In (Woody’s Horse Nutrition)
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
All In by Woody’s Horse Nutrition is a pelleted vitamin and mineral supplement intended for horses on a forage-based or unfortified grain diet. It contains the limiting amino acids lysine, methionine, and threonine.
All in One (Herbs for Horses)
Gut HealthGut Health
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
All in One from Herbs for Horses is intended to be a complete supplement for horses. All in One is intended to improve digestion, and rebuild muscle. This supplement contains added vitamins and minerals.
All Phase (Lifeline)
FiberFiber
Grain FreeGrain Free
Mineral BalanceMineral Balance
VitaminsVitamins
All Phase from Lifeline is a pelleted ration balancer intended for all horse types. This ration balancer contains 20% protein.
All-Phase Balancer Formula (Bartlett Milling) [Discontinued]
GrainsGrains
NutritionNutrition
ProteinProtein
Ration BalancerRation Balancer
Bartlett All-Phase Balancer Formula is a grain balancer pellet intended for all classes of horses to supply protein, vitamins and minerals that may be lacking in the equine diet.
Amber Grains Classic 12-4 Fiberwise (Coker Feed Mill)
DigestionDigestion
Easy KeeperEasy Keeper
FiberFiber
RecoveryRecovery
Amber Grains Classic 12-4 Fiberwise by Coker Feed Mill is a high-fiber (20%) textured feed intended for easy keepers and horses in recovery.
Amber Grains Classic 12-6 Textured (Coker Feed Mill)
NutrientsNutrients
NutritionNutrition
PrebioticPrebiotic
ProbioticProbiotic
Amber Grains Classic 12-6 Textured by Coker Feed Mill is a textured feed intended to supplement hay. It is designed for active horses not in heavy work.
Amber Grains Classic Senior Textured (Coker Feed Mill)
DigestionDigestion
FiberFiber
Gut HealthGut Health
SeniorSenior
Amber Grains Classic Senior Textured by Coker Feed Mill is a textured feed intended to support digestion and body condition in senior horses.
Amber Grains Elite 10-10 Performance (Coker Feed Mill)
DigestionDigestion
EnergyEnergy
MuscleMuscle
PerformancePerformance
Amber Grains Elite 10-10 Performance by Coker Feed Mill is a high calorie textured feed intended to support digestion, muscle gain and endurance in performance horses.
Amber Grains Elite 12-12 Performance (Coker Feed Mill)
DigestionDigestion
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
Amber Grains Elite 12-12 Performance by Coker Feed Mill is a textured feed intended to provide cool energy for performance horses.
Amber Grains Elite Front Runner (Coker Feed Mill)
Caloric EnergyCaloric Energy
EnergyEnergy
Gut HealthGut Health
PerformancePerformance
Amber Grains Elite Front Runner by Coker Feed Mill is a high-energy feed intended for performance. It is formulated to support strength, stamina and endurance in horses.
Amber Grains Elite Mare and Foal (Coker Feed Mill)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Amber Grains Elite Mare and Foal by Coker Feed Mill is a textured feed intended to support overall health in pregnant mares, lactating mares and growing foals.
Amber Grains Elite Serenity Ultra LS (Coker Feed Mill)
HealthHealth
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Amber Grains Elite Serenity Ultra LS by Coker Feed Mill is a low NSC (8.94%) pelleted feed intended for horses with sensitive digestive systems.
Amber Grains Elite Super Senior (Coker Feed Mill)
DigestionDigestion
FiberFiber
ProbioticProbiotic
SeniorSenior
Amber Grains Elite Super Senior by Coker Feed Mill is a textured feed intended to support overall health and digestion in senior horses.
Amino Edge (Bluebonnet Feeds)
Amino AcidAmino Acid
MuscleMuscle
Omega 3-6-9Omega 3-6-9
PerformancePerformance
Amino Edge by Bluebonnet Feeds is an amino acid supplement that also includes antioxidants and essential fatty acids. It is intended to support muscle and performance.
Amino Max Extra Strength (Basic Equine Nutrition)
Amino AcidAmino Acid
GrowthGrowth
HealthHealth
MetabolismMetabolism
Amino Max Extra Strength is a combination of three essential amino acids: lysine, threonine and methionine. These amino acids are the most-limiting in equine diets. Supplementation may support topline, gut health and more.
Amino-Fac-41 (Uckele)
Amino AcidAmino Acid
BroodmareBroodmare
GrowthGrowth
ToplineTopline
Amino Fac-41 is a powdered amino acid supplement for horses. It contains 4% Lysine, the amino acid most commonly deficient in the equine diet. This supplement is designed to help support muscle mass, bone and joint structure, and immune system function.
Amplify High Fat Supplement (Purina Mills)
Coat QualityCoat Quality
Competition HorsesCompetition Horses
FatFat
Weight IssuesWeight Issues
Amplify High Fat Supplement is an extruded fat supplement that includes rice bran, flax seed and vegetable oil. It provides added calories for horses that have higher energy needs.
Antilam (TopSpec)
Easy KeeperEasy Keeper
NutrientsNutrients
NutritionNutrition
Ration BalancerRation Balancer
Antilam from TopSpec is a palatable ration balancer ideal for horses and ponies prone to laminitis. Antilam contains 20% fibre, supporting digestive health, and 30mg of biotin to support hoof health.
Arizona Copper Complete (Horse Tech)
HealthHealth
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
Arizona Copper Complete is a vitamin and mineral supplement for horses containing copper and other trace minerals in an organic amino acid complex. The supplement also provides vitamins and amino acids in a milled flax base.
ASU Joint & Hoof Pellets (Cosequin)
HealthHealth
Hoof HealthHoof Health
JointsJoints
PerformancePerformance
ASU Joint & Hoof Pellet from Cosequin is a pelleted joint and hoof health supplement. This supplement contains ingredients such as biotin, copper, and zinc which are intended to support hoof and joint health.
Athlete Plus (Mitavite)
Gut HealthGut Health
PerformancePerformance
ProteinProtein
RecoveryRecovery
Athlete Plus by Mitavite is a cool energy feed intended to support performance horses in competition and recovery.
Balance I (AniMed)
Amino AcidAmino Acid
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Balance I from AniMed is a supplement that states it aids in health and body condition of horses by containing amino acids, fatty acids, vitamins and minerals, and antioxidants. It claims to be formulated for horses fed alfalfa hay.
Balance II (AniMed)
Amino AcidAmino Acid
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Balance II from AniMed is a supplement that states it aids in health and body condition of horses by containing amino acids, fatty acids, vitamins and minerals, and antioxidants. It claims to be formulated for horses fed grass hay.
Balancer (Triple Crown)
Easy KeeperEasy Keeper
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Ration BalancerRation Balancer
Triple Crown® Balancer is a pelleted mineral and vitamin supplement providing 30% protein, 3% fat and 5% fibre. This ration balancer contains essential amino acids, vitamins, macro minerals, trace minerals, bacteria and enzymes.

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