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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.
SmartPituitary Senior Pellets (SmartPak)
HealthHealth
ImmunityImmunity
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
SmartPituitary Senior Pellets from SmartPak is a pelleted equine supplement intended for aged horses with pituitary issues. This supplement is formulated with chasteberry, Vitamin E, Siberian ginseng, and echinacea intended to support immune function in senior horses.
Solution 10-10-10 (Tucker Milling)
EnergyEnergy
GrainsGrains
NutrientsNutrients
PerformancePerformance
Solution 10-10-10 by Tucker Milling is a textured feed specially formulated for mature performance horses. With 10% protein, 10% fat, and 10% fiber, it delivers a balanced nutritional profile that meets energy demands while keeping protein levels moderate.
Solution-12 (Tucker Milling)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Solution 12 by Tucker Milling is a pelleted feed formulated for senior horses and is intended to be fed alongside forage. It includes lactic acid bacteria and yeast to support digestive health, though the specific inclusion levels are not disclosed.
Solutions 10 Pellet (Right Choice)
Amino AcidAmino Acid
Complete FeedComplete Feed
FatFat
NutritionNutrition
Solutions 10 is a 10% protein and 6% fat pelleted complete feed. This feed is formulated for horses in work and at maintenance. It contains both organic and inorganic sources of minerals, yeast, and added amino acids.
Solutions 10 Textured (Right Choice)
Complete FeedComplete Feed
FatFat
Gut HealthGut Health
NutritionNutrition
Solutions 10 Textured by Right Choice is a textured complete feed containing 10% protein, 10% fat, and 26.5% NSC. It is formulated for horses in work and maintenance.
Solutions 12 Pellet (Right Choice)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Solutions 12 by Right Choice is a textured complete feed intended for horses at work and maintenance. It contains 12% protein and 8% fat with added yeast and amino acids.
Solutions 12 Textured (Right Choice)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Solutions 12 Textured is a complete feed with 12% protein and 6% fat. It is formulated using corn, oats, barley, and wheat as energy sources. It also contains soybean as a protein source and soybean oil as a fat source.
Solutions 14 Cube (Right Choice)
Complete FeedComplete Feed
FiberFiber
NutritionNutrition
ProteinProtein
Right Choice Solutions® 14 Cube is a cubed feed with 14% protein intended for horses in work and at maintenance. It provides protein from alfalfa meal and extruded soybeans.
Solutions 14 Low Starch Pellet (Right Choice)
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Solutions 14 Low Starch is a pelleted complete feed that contains 14% protein and 7% fat. It is formulated for working and maintenance horses and is marketed as a low NSC feed.
Solutions 14 Pellet (Right Choice)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Solutions 14 Pellet is a complete feed with 14% protein and 6% fat intended for horses at maintenance or in work. It utilizes alfalfa meal and extruded soybeans for protein.
Solutions 14 Textured (Right Choice)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Solutions 14 Textured is a complete feed containing 14% protein from soybean and alfalfa meal and 6% fat from soybean oil. It contains whole oats, cracked corn, wheat middling's, and molasses as energy sources.
Speed Feed (MAC)
HealthHealth
NutrientsNutrients
NutritionNutrition
PerformancePerformance
Speed Feed by MAC is a feed containing 14% protein and 4% fat, it is intended for all horse types.
Sport 14 (Banks Mill Feeds)
BroodmareBroodmare
Caloric EnergyCaloric Energy
FatFat
ProteinProtein
Banks' Sport 14 is a high-protein, high-fat textured feed intended for breeding and performance horses. It contains 16.6% NSC with energy sources including wheat middlings, oats, soybean oil, beet pulp, alfalfa meal, and cane molasses.
Sport Horse Grass (Uckele)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Sport Horse Grass is a pelleted vitamin, mineral, and amino acid supplement intended for performance horses consuming a grass-based diet. This supplement is intended to support muscular function, joint/tendon maintenance, and recovery.
Stable MAX Performance (Elk Grove Milling)
Complete FeedComplete Feed
MareMare
PerformancePerformance
StallionStallion
Stable MAX Performance is a complete feed from Elk Grove Milling intended for performance horses, stallions, and broodmares. It provides probiotics and 14% protein.
Stable MAX Ultra Mate (Elk Grove Milling)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
ProbioticProbiotic
ProteinProtein
Stable MAX Ultra Mate is a complete feed from Elk Grove Milling intended for easy keepers or horses in light work. It provides probiotics and 30% protein.
Stabul 1 (Anderson Feed Co)
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
Stabul™ 1 is a low-starch (5%) and low-sugar (5%) feed intended for easy keepers and horses, ponies and mules with metabolic concerns. It is corn, oats and molasses-free.
Stabul 1 Plus (Anderson Feed Co)
ExerciseExercise
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Weight IssuesWeight Issues
Stabul™ 1 Plus is a low-starch (5%) and low-sugar (5%) feed intended for horses that are in work or hard keepers. It is designed for horses with metabolic concerns to provide higher energy density.
Stake Horse (Woody’s Horse Nutrition)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
PerformancePerformance
Stake Horse by Woody’s Horse Nutrition is a beet-based 9% fat and 13% protein feed intended for racehorses. It is made with molasses, oats, barley, and beet pulp. This horse is intended for racehorses or performance horses.
Starch Wise (ProElite)
Gut HealthGut Health
NutritionNutrition
PerformancePerformance
SeniorSenior
ProElite Starch Wise is a pelleted horse feed with a maximum 14.5% NSC. It is formulated with moderate levels of starch and sugar for mature show and performance horses.
Steady Energy Formula (Bartlett Milling) [Discontinued]
EnergyEnergy
FatFat
Grain FreeGrain Free
PerformancePerformance
Bartlett Steady Energy Formula is a pelleted feed intended for mature horses that require lower levels of energy in their diet. It provides 12% protein and 6% fat.
Step (Vita Vet Labs)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Step by Vita Vet Labs is a supplement intended to support healthy hoof growth in horses.
Step 1 Start Right (Trouw Nutrition)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
LactationLactation
Step 1 Start Right is an extruded feed formulated to meet the nutritional demands of lactating broodmares, foals and weanlings. It can be fed to growing horses up to one year of age.
Step 2 Peak Performance – Sport (Trouw Nutrition)
Complete FeedComplete Feed
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Step 2 Peak Performance - Sport by Trouw is an extruded, high-fat feed formulated to meet the energy demands of horses in heavy work, stallions, growing horses, and hard keepers. It provides 14% protein and 10% fat from vegetable oils.
Step 3 Classic Sweet (Trouw Nutrition)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FlavorFlavor
Weight IssuesWeight Issues
Step 3 Classic Sweet is a textured sweet feed for mature horses in light to moderate work. It contains whole oats and added sugars to improve palatability.
Step 3 GenAPro (Trouw)
Complete FeedComplete Feed
FiberFiber
Hay StretcherHay Stretcher
Low NSC FeedsLow NSC Feeds
Trouw GenAPro (GAP) is an alfalfa-based, high fibre and low NSC feed with less than 10% sugar and starch content. GenAPro is designed as a partial or total hay replacer when quality forage is limited.
Step 4 Complete – Rocky Mountain Crunch (Trouw Nutrition) [DISCONTINUED]
DigestionDigestion
FiberFiber
Hay StretcherHay Stretcher
Ration BalancerRation Balancer
Step 4 Complete Rocky Mountain Crunch is an extruded, high-fibre feed used to partially replace forage. The kibbles contain 14% protein as well as essential vitamins and minerals.
Step 4 Low Sugar Lite (Trouw Nutrition)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
Low NSC FeedsLow NSC Feeds
Step 4 Low Sugar Lite by Trouw Nutrition is a high-fibre pelleted feed intended for horses who are prone to founder, sugar sensitivities, insulin resistance and metabolic disorders.
Step 6 Senior (Trouw Nutrition)
Complete FeedComplete Feed
DentalDental
SeniorSenior
Weight IssuesWeight Issues
Step 6 Senior is a pelleted and extruded feed intended for senior horses and hard keepers. It contains 5% fat, 16% protein and can be given to senior horses with dental issues.
Step 7 Top Up Supplement (Trouw Nutrition)
Easy KeeperEasy Keeper
Gut HealthGut Health
Ration BalancerRation Balancer
VitaminsVitamins
Step 7 Top Up Supplement by Trouw Nutrition is a ration balancer intended to be used when horses are not consuming a complete feed, such as corn, oats or barley. It can be used for over-conditioned horses, horses on pasture and horses with low energy requirements.
Step 8 High Fat (Trouw Nutrition)
Complete FeedComplete Feed
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Step 8 High Fat - Cool Energy by Trouw Nutrition is a pelleted feed intended for performance horses or horses that required fat-sourced energy.
Step Right Horse Mineral (Trouw Nutrition) [DISCONTINUED]
Gut HealthGut Health
HealthHealth
Ration BalancerRation Balancer
VitaminsVitamins
Step Right Horse Mineral (formerly Step 7b Pro Equine Supplement) is a concentrated mineral and vitamin supplement for horses in a loose powdered format. It is intended for horses that are not consuming complete feed, horses on pasture, or easy keepers.
Strategy® Professional Formula GX (Purina Mills)
Complete FeedComplete Feed
ExerciseExercise
GrowthGrowth
HealthHealth
Strategy Professional Formula GX is a pelleted concentrate horse feed for all life stages. It provides 14% crude protein, 6% crude fat and 12.5% fiber.
Stud Feed Balancer (TopSpec)
Amino AcidAmino Acid
Ration BalancerRation Balancer
StallionStallion
YeastYeast
Stud Feed Balancer from TopSpec is a ration balancer for stallions, broodmares, and youngstock. This ration balancer contains amino acids to support muscle growth and yeast to support gut health.
SU-PER Anti-Oxidant Powder (Gateway Products)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
SU-PER Anti-Oxidant Powder by Gateway Products is an anti-oxidant supplement anti-oxidant to support general health, energy production, and immune response for horses under stress or recovering from illness.
SU-PER Bug Away Powder (Gateway Products)
Coat QualityCoat Quality
HerbHerb
NutrientsNutrients
Skin + HairSkin + Hair
SU-PER Bug Away Powder by Gateway Products is a horse supplement that contains apple cider vinegar to deter biting insects, omega 3 fatty acids to help skin and coat health, and diatomaceous earth to help discourage insect breeding in manure.
SU-PER Farrier’s Supplement Pellets (Gateway Products)
Amino AcidAmino Acid
Hoof HealthHoof Health
ProbioticProbiotic
VitaminsVitamins
SU-PER Farrier's Supplement Pellets by Gateway Products is a hoof supplement with 25mg of Biotin per serving. This supplement supports healthy hoof growth and structure.
SU-PER Form Pellets (Gateway Products)
HealthHealth
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
SU-PER Form Pellets by Gateway Products is a vitamin and mineral supplement that provides all the necessary nutrients. This supplement also includes additional amino acids and electrolytes and is meant for horses of all life stages.
SU-PER Hoof Powder (Gateway Products)
Amino AcidAmino Acid
Hoof HealthHoof Health
NutrientsNutrients
VitaminsVitamins
SU-PER Hoof Powder is a hoof supplement that contains 30 mg of biotin per serving to support optimal hoof growth and structure. This supplement is for maintenance use in the winter and when a hoof suffers damage.
SU-PER LaminAid Powder (Gateway Products)
Amino AcidAmino Acid
HerbHerb
Hoof HealthHoof Health
VitaminsVitamins
SU-PER LaminAid Powder by Gateway Products is a circulation supplement designed for horses suffering from laminitis/founder or at risk. This supplement helps to increase blood flow, support inflammatory responses, and provide nutrients to damaged tissues.
SU-PER Show Coat Powder (Gateway Products)
Coat QualityCoat Quality
Mineral BalanceMineral Balance
Skin + HairSkin + Hair
VitaminsVitamins
SU-PER Show Coat Powder is a supplement that supports a healthy coat and skin. This supplement contains flaxseed meal as a source of essential fatty acids and additional vitamins and minerals for better nutrient absorption.
SU-PER Sound Liquid (Gateway Products)
ExerciseExercise
JointsJoints
NutrientsNutrients
RecoveryRecovery
SU-PER Sound Liquid by Gateway Products is a supplement to support joint, ligament, and tendon health. This supplement contains glucosamine, MSM, and bromelain to help maintain healthy joint function.
SU-PER Sound Plus Powder (Gateway Products)
FlavorFlavor
JointsJoints
NutrientsNutrients
VitaminsVitamins
SU-PER Sound Plus Powder by Gateway Products is a supplement to support and maintain healthy joint function, and it aids the structural integrity of connective tissues. This supplement contains elevated levels of MSM, hyaluronic acid, and chondroitin sulphate.
SU-PER Sound Powder (Gateway Products)
HealthHealth
JointsJoints
NutrientsNutrients
RecoveryRecovery
SU-PER Sound Powder by Gateway Products is a supplement to support joint, ligament, and tendon health. This supplement contains glucosamine, MSM, and bromelain to help maintain healthy joint function.
Summer Heat (Woody’s Horse Nutrition)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
PerformancePerformance
Woody’s Summer Heat is a complete feed formulated for performance horses in heavy to intense work. It contains 12.5% protein and 7.0% fat, and is made with oats, barley, molasses and beet pulp.
Sunshine Plus Pelleted Horse Feed (Blue Seal)
Complete FeedComplete Feed
ProteinProtein
VitaminsVitamins
YeastYeast
Sunshine Plus is a high protein (30%) pelleted feed containing soybean meal and whey. Energy sources include cane molasses, wheat middlings, oil, and corn distillers grains.
Super 14 (Farnam)
Coat QualityCoat Quality
FatFat
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
Farnam Super 14™ is an equine skin and coat supplement designed to provide fatty acids, amino acids, biotin, zinc, and other vitamins and minerals.
Super Amino 66 (Hygain)
Amino AcidAmino Acid
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Super Amino 66 from Hygain is a protein supplement containing 10 amino acids. It is intended to support muscle health and also contains vitamins and minerals.
Super Horse 12-12 (Manna Pro)
BroodmareBroodmare
Complete FeedComplete Feed
NutritionNutrition
PerformancePerformance
Super Horse 12-12 from Manna Pro is a textured sweet feed formulated for performance horses, broodmares, and stallions. Super Horse 12-12 contains 12% crude protein, 6% crude fat, and 7% crude fiber.
Super Horse Performance 10 (Manna Pro)
ExerciseExercise
GrainsGrains
NutritionNutrition
PerformancePerformance
Super Horse Performance 10 from Manna Pro is available as a pellet or a textured feed. Super Horse Performance 10 contains 10% crude protein, 6% crude fat, 7% crude fibre, and uses a mix of organic and inorganic trace minerals.

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