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Iodine Supplement - Feed Ingredient

An iodine supplement is a feed additive used to provide dietary iodine, an essential trace mineral required for normal thyroid function and hormone synthesis in horses. Iodine plays a vital role in the production of thyroxine (T4) and triiodothyronine (T3), hormones that regulate metabolic rate, growth, and development.

In equine feeds, iodine may be supplied in various forms, including calcium iodate, potassium iodide, ethylenediamine dihydroiodide (EDDI), or kelp meal (from iodine-rich seaweed). These sources differ in bioavailability and stability, with calcium iodate being commonly used due to its resistance to degradation during feed processing.

The following equine feeds, supplements and products contain Iodine Supplement 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.
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.
Trace Mineral Pak (Mad Barn)
Coat QualityCoat Quality
ExerciseExercise
Hoof HealthHoof Health
Organic Trace MineralsOrganic Trace Minerals
Trace Mineral Pak from Mad Barn is a balanced equine supplement providing 100% organic (chelated) trace minerals. Ingredients include selenium, zinc, copper, and manganese.
Textured Ration (Hoffman’s Horse Products)
Caloric EnergyCaloric Energy
DigestionDigestion
HealthHealth
NutritionNutrition
Textured Ration from Hoffman's is a textured feed for horses over 1 year of age. This feed is intended to increase fat absorption and digestion in horses. Hoffman's Textured Ration is 27.5% NSC.
ThriveFeed Horse Feed
ForageForage
Gut HealthGut Health
HealthHealth
NutrientsNutrients
ThriveFeed is a pelleted horse feed composed of alfalfa meal, timothy grass meal, sorghum, soybean meal, rice bran and kelp meal. It provides 15% protein, 2.5% fat and 20% fiber.
Timothy Balance Cubes (Ontario Dehy)
FiberFiber
ForageForage
Gut HealthGut Health
Hay StretcherHay Stretcher
Timothy Balance® Cubes are a low-NSC feed made with timothy hay, beet pulp, minerals and amino acids. This feed is formulated for horses with metabolic concerns.
TNT For Horses (Dynamite Equine)
HealthHealth
ImmunityImmunity
NutritionNutrition
VitaminsVitamins
TNT For Horses from Dynamite Equine is a pelleted equine supplement. TNT For Horses is intended to support overall equine health. This supplement contains 18% protein and 8% fat.
Top Breeder (McCauley’s Equine Formulas)
Coat QualityCoat Quality
ExerciseExercise
FatFat
FoalFoal
Top Breeder is a pelleted horse feed containing high levels of beet pulp and vegetable oil. It is formulated to improve body condition in breeding and performance horses.
Top Ten (McCauley’s Equine Formulas)
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Weight IssuesWeight Issues
Top Ten™ is a highly palatable textured feed formulated for performance horses to help support body condition. It contains high amounts of vegetable oil, antioxidants such as vitamin E, and beet pulp.
Topline Advantage (ProElite)
DigestionDigestion
NutritionNutrition
ProteinProtein
ToplineTopline
ProElite Topline Advantage is a pelleted horse supplement that provides essential nutrients and amino acids for muscle development. It contains 50% crude protein.
Total Performance (DAC)
HealthHealth
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Total Performance by DAC is a vitamin and mineral supplement designed for mature performance horses. It is formulated with trace minerals, amino acids and probiotics.
Total Performance Plus (DAC)
HealthHealth
JointsJoints
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Total Performance Plus by DAC is a powered joint supplement enriched with vitamins and minerals. It contains glucosamine, chondroitin sulfate, and sodium hyaluronate.
Total Plus Original (Arnall’s Naturals)
HealthHealth
ImmunityImmunity
NutritionNutrition
PerformancePerformance
Total Plus from Arnall's Naturals is a powdered 'all-in-one' supplement. This supplement is intended to support overall equine health and well-being.
Tough as Nails (Tribute)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Tribute Tough As Nails is a pelleted horse supplement formulated to support hoof growth. It contains biotin, calcium, iodine, organic minerals and the amino acid methionine.
Tough To Beet® (Tribute Equine)
EnergyEnergy
FatFat
FiberFiber
PerformancePerformance
Tough To Beet® is a high-fat textured feed formulated with shredded beet pulp, grains and soybean oil. This feed targets mature horses in training to meet their calorie needs.
Track Burner (Quality Feeds)
Competition HorsesCompetition Horses
EnergyEnergy
NutrientsNutrients
PerformancePerformance
Track Burner by Quality feeds is a textured sweet feed containing vitamins and minerals. It is intended to meet the high energy demands of racehorses.
Tradition Mix (Cavalor)
DigestionDigestion
HealthHealth
NutrientsNutrients
NutritionNutrition
Tradition Mix by Cavalor is a textured feed intended for horses at maintenance or light work.
Trail Mate Sweet Formula (Bartlett Milling) [Discontinued]
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
FlavorFlavor
Trail Mate Sweet Formula is a grain-based feed intended for western, pleasure and trail horses in moderate to rigorous work. It contains 13% protein, 4% fat and 11% fibre from sources such as wheat middlings, corn, oats and barley.
Trail Mix (Running Horse Elite Equine Nutrition)
Complete FeedComplete Feed
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
Running Horse Trail Mix is a concentrated feed containing high fiber, vitamins, minerals, and 12% protein. This feed targets adult horses that are inactive or performing light work.
Trail Time (McCauley’s Equine Formulas)
Complete FeedComplete Feed
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
HealthHealth
Trail Time® is an oat-based textured feed targeted at adult horses at maintenance or in light work. It provides a lower energy density and fat content than other McCauley feeds.
Training Formula (Triple Crown) – [Discontinued]
EnergyEnergy
ExerciseExercise
FatFat
PerformancePerformance
Triple Crown Training Formula is now a discontinued feed which was a high-calorie, high-fat feed designed to meet the energy requirements of exercising horses. Energy sources included oats, molasses, soybeans, beet pulp, alfalfa and wheat middlings.
Tribute Ultra (Tribute)
ExerciseExercise
FatFat
NutrientsNutrients
Weight IssuesWeight Issues
Tribute Ultra is intended for hard keepers and horses and ponies in heavy work. This feed is meant to support weight gain and performance with its 12% fat and 12% protein formula.
Trifecta (Buckeye) – [Discontinued]
Complete FeedComplete Feed
FlavorFlavor
NutritionNutrition
PerformancePerformance
Buckeye TRIFECTA™ Sweet Pelleted Feed is a palatable and calorie-dense feed containing cane molasses to increase intake. TRIFECTA™ is intended for performance horses with higher energy demands.
Trifecta (Horse Guard)
HealthHealth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Trifecta from Horse Guard is a powdered vitamin, mineral, hoof, and joint supplement with added prebiotics and probiotics. It contains glucosamine, MSM, and hyaluronic acid to help with joint support. Trifecta also contains added iron and 32 mg of biotin per serving.
Trifiber Compete (Excel Equine Feeds)
Caloric EnergyCaloric Energy
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Weight IssuesWeight Issues
Trifiber Compete from Excel Equine Feeds is meant for performance horses and has a low NSC content. It is a safe source of calories with fat and fiber. It is made to be beneficial to horses prone to metabolic conditions and horses with weight issues.
Triformance (McCauley’s Equine Formulas)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Triformance® is a textured feed targeted to performance horses, including racehorses and eventers. It has high energy and fat content and provides higher levels of antioxidant nutrients such as Vitamin E.
Triple Play (Equi-lete)
Gut HealthGut Health
HealthHealth
PerformancePerformance
Weight IssuesWeight Issues
Triple Play by Equi-lete is a vitamin and mineral supplement intended to support gastric health, performance and body condition in hard keepers, performance horses and breeding stock.
Triplify (Excel Equine Feeds)
Competition HorsesCompetition Horses
HealthHealth
NutritionNutrition
PerformancePerformance
Triplify is a textured feed from Excel Equine Feeds. Triplify is intended for horses in moderate to heavy work, and contains 10% protein and 10% fat.
Triumph 12-8 Horse Feed (Nutrena)
MareMare
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Triumph 12-8 Horse Feed by Nutrena is a feed that is intended for mares, breeding horses, maintenance, and performance horses. It has 12% protein, 12% fiber, and 8% fat.
Triumph Active 12 Pellet (Nutrena)
HealthHealth
MuscleMuscle
NutritionNutrition
RecoveryRecovery
Nutrena Triumph® Active 12 Pellet is an 18% NSC feed intended for active mature horses. It contains added methionine and lysine which are meant to support muscle development.
Triumph Complete (Nutrena)
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Triumph Complete is a high-fibre, moderate protein and low-fat complete feed formulated with 22% NSC. It is formulated as a hay stretcher that can be used to replace portions of forage.
Triumph Fiber Plus (Nutrena)
DigestionDigestion
EnergyEnergy
FiberFiber
NutritionNutrition
Triumph Fiber Plus is a high fat and fibre complete feed providing 12% protein, 10% fat and 17% NSC. Triumph Fiber Plus is formulated for mature horses of all exercise levels.
Triumph Professional (Nutrena)
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Triumph Professional is a pelleted complete feed formulated for a variety of life stages. It provides 14% protein, 8% fat and 17% NSC.
Triumph Professional Pellet Horse Feed (Nutrena)
Complete FeedComplete Feed
FiberFiber
MuscleMuscle
NutritionNutrition
Triumph Professional is a pelleted complete feed that provides 14% protein, 8% fat and less than 17% NSC. It is formulated for a large variety of horses such as broodmares, foals, performance horses, and horses at maintenance.
Triumph Professional Textured 14% Horse Feed (Nutrena)
DigestionDigestion
HealthHealth
Hoof HealthHoof Health
ToplineTopline
Triumph Professional Textured Horse Feed is a concentrate feed for horses of all ages and work levels. It supplies 14% crude protein, 8% crude fat, and 33% sugar and starch.
Triumph Senior Horse Feed (Nutrena)
Complete FeedComplete Feed
Gut HealthGut Health
SeniorSenior
ToplineTopline
Triumph® Senior Horse Feed is a complete feed intended for older horses providing 14% protein, 7% fat and 21% NSC (sugar and starch).
U-Balance Foundation (Uckele)
FiberFiber
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Uckele U-Balance Foundation is a pelleted vitamin, mineral, and amino acid supplement for horses. It is intended to balance the diet without adding significant calories. This supplement can also supports sugar metabolism.
Ultimate (Doctor’s Choice Supplements)
Amino AcidAmino Acid
Metabolic SyndromeMetabolic Syndrome
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Ultimate by Doctor's Choice Supplements is a ration balancer intended for horses on pasture of forage. It contains high levels of calcium, thiamine and the first limiting amino acid lysine.
Ultium Gastric Care (Purina)
Competition HorsesCompetition Horses
Gut HealthGut Health
StressStress
UlcersUlcers
Purina® Ultium® Gastric Care is a concentrate feed intended for performance horses to support gastric and hindgut health. It provides digestible fibres from beet pulp, alfalfa and soy hulls.
Ultium Growth Formula (Purina)
BroodmareBroodmare
Complete FeedComplete Feed
GrowthGrowth
LactationLactation
Purina Ultium® Growth Formula is a concentrate feed intended for breeding and growing horses. It provides 9.5% fat with added amino acids to support development.
Ultium® Competition Horse Formula (Purina Mills)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Ultium Competition Horse Formula is a pelleted horse feed designed to support horses in competition. It is a high-fat, high-fibre ration that contains 12% protein.
Ultra Complete (Tribute)
EnergyEnergy
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Ultra Complete is a high-fat and fibre textured feed formulated for adult horses in heavy work, such as racehorses in training. It is made with beet pulp, molasses, whole oats and soybeans.
Ultra Dynamix (Seminole)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Organic Trace MineralsOrganic Trace Minerals
ProteinProtein
Seminole Ultra Dynamix™ is a high-calorie pelleted horse feed for growing, breeding and performance horses. It contains oats, corn, digestible fibers, soybean oil and stabilized rice bran.
Ultra GH (Tribute)
FatFat
Feed EfficiencyFeed Efficiency
FiberFiber
Gut HealthGut Health
Tribute Ultra GH is a complete pelleted feed intended to support gastrointestinal health in performance horses. It contains added microencapsulated dry yeast, direct-fed microbials, organic and inorganic trace minerals. It provides 8% crude fat and 21.5% NSC.
Ultra Mate (Elk Grove Milling)
Competition HorsesCompetition Horses
EnergyEnergy
JointsJoints
Weight IssuesWeight Issues
Ultra Mate by Elk Grove Milling is a corn based supplement intended to provide extra energy for competition horses, hard keepers, stallions and lactating mares.
Ultramin (Equis Feed)
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
YeastYeast
Ultramin by Equis Feed is a free-choice vitamin-mineral supplement for horses that can also be used to top-dress rations. It is formulated with organic minerals, biotin, yeast, and calcium carbonate.
Unbeetable Balance (Unbeetable Feeds)
FiberFiber
Grain FreeGrain Free
Mineral BalanceMineral Balance
VitaminsVitamins
Unbeetable Balance is a ration balancer from Unbeetable Feeds. It is a grain-free, pelleted formulation intended for horses that require controlled calorie intake.
Unbeetable Complete (Unbeetable Feeds)
EnergyEnergy
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
ProteinProtein
Unbeetable Complete by Unbeetable feeds is a grain free complete feed intended for all horse types. It contains a blend of organic and inorganic trace minerals.
Veloci-T Max (Purina)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Purina Veloci‑T Max is a textured feed intended for racehorses, breeding stallions, early gestating mares, and yearlings. . It is formulated with higher fat and starch levels to meet the high energy demands of performance horses.
Velocity (Ark Nutrition)
Complete FeedComplete Feed
ExerciseExercise
NutritionNutrition
ProteinProtein
Velocity by Ark Nutrition is a pelleted feed intended for horses in moderate to heavy work. It contains a blend of essential amino acids and fatty acids meant to support muscle development and improve muscle recovery.
Vermont Blend (Custom Equine Nutrition)
Amino AcidAmino Acid
DigestionDigestion
Mineral BalanceMineral Balance
YeastYeast
Vermont Blend by Custom Equine Nutrition is a supplement intended to balance out the deficiencies when a horse is solely fed grass hay. It contains amino acids, biotin and minerals such as copper and magnesium.
Vermont Blend No Selenium (Custom Equine Nutrition)
Amino AcidAmino Acid
Hoof HealthHoof Health
Mineral BalanceMineral Balance
YeastYeast
Vermont Blend No Selenium is a mineral and vitamin supplement containing no added selenium for horses with diets that already contain adequate amounts of this trace mineral.
Vermont Blend Pellets (Custom Equine Nutrition)
Amino AcidAmino Acid
Mineral BalanceMineral Balance
VitaminsVitamins
YeastYeast
Vermont Blend by Custom Equine Nutrition is a pelleted supplement intended to be fed to horses solely on grass hay. It contains amino acids, biotin and minerals such as copper and magnesium.

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