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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.
Excel Equine 12 (Excel Equine Feeds)
FatFat
HealthHealth
ImmunityImmunity
PerformancePerformance
Excel Equine 12 is a textured feed from Excel Equine Feeds. Excel Equine 12 contains a fat content intended for horses in moderate workloads.
Excel Equine 15 (Excel Equine Feeds)
BroodmareBroodmare
GrowthGrowth
NutritionNutrition
PerformancePerformance
Excel Equine 15 by Excel Equine Feeds is a textured feed intended for broodmares, foals, weanlings, yearlings and high performance horses.
EZ (Tribute)
CalmingCalming
ExerciseExercise
FatFat
FiberFiber
Tribute Equine EZ Pellets is a 20% fibre, 8% fat feed intended for hard keepers and mature horses with higher energy requirements. It is formulated with reduced sugar and starch content and provides a maximum 13.5% NSC.
EZ-Balance (Purina Canada)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
EZ-Balance is a low-calorie pelleted vitamin-mineral supplement formulated with organic copper, zinc and manganese. It has a low feeding rate of 150-200 grams per day.
Fab Fiber Plus (McCauley’s)
FiberFiber
HealthHealth
NutrientsNutrients
PerformancePerformance
Fab Fiber Plus from McCauley's is a textured feed intended for performance horses. It contains 17% fiber, 12% fat, and 12% protein.
Farrier’s Formula Double Strength (Life Data Labs)
Amino AcidAmino Acid
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Farrier's Formula® Double Strength is a pelleted horse supplement formulated to support hoof health. It contains amino acids, biotin, and minerals at twice the concentration of the original Farrier's Formula.
Farrier’s Formula Hoof Supplement (Life Data Labs)
Amino AcidAmino Acid
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Farrier's Formula Hoof Supplement is a vitamin, mineral, and amino acid supplement that supports healthy hoof structure and growth. It is primarily composed of methionine, biotin and inorganic sources of zinc and copper.
Fast Fibre (Allen & Page)
Easy KeeperEasy Keeper
FiberFiber
IngredientIngredient
Low NSC FeedsLow NSC Feeds
Fast Fibre from Allen & Page is a low-energy horse feed. Fast Fibre is high in fibre with a low NSC content (7.5%). Fast Fibre is recommended to be fed soaked.
Fat ‘N’ Fibre (pellet) (Masterfeeds)
ExerciseExercise
FatFat
FiberFiber
HealthHealth
Fat 'N' Fibre from Masterfeeds is a pelleted feed that is higher in fat and fibre. It is formulated for idle horses to horses in light work. Fat 'N' Fibre contains 12% protein, 5% fat, and 15% fiber.
Fiber & Fat Comfort (Meunerie Benjamin)
DigestionDigestion
FiberFiber
Gut HealthGut Health
ImmunityImmunity
Fiber & Fat Comfort by Meunerie Benjamin is a feed that is high in fiber and contains vitamins, minerals, and yeast. It is intended to support the immune system, gut health and digestion.
Fiber Boost (Ark Nutrition)
FiberFiber
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
Ark Nutrition Fiber Boost is a concentrated fiber source with added vitamins and minerals. It has low sugar and starch content, suitable for metabolic horses.
Fiber First (Excel Equine Feeds)
FatFat
FiberFiber
HealthHealth
NutritionNutrition
Fiber First from Excel Equine Feeds is a textured feed. This feed is intended to be high fat and high fat, with an increased beet pulp content.
Fiberforce (Cavalor)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Fiberforce by Cavalor is a high-fiber feed made with alfalfa stems to encourage chewing and buffer stomach acid. It is targeted to horses with gastrointestinal problems such as gastric ulcers. It has an NSC value of 8%.
Fiberforce Gastro (Cavalor)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
UlcersUlcers
Fiberforce Gastro by Cavalor is a textured feed intended for horses prone to ulcers or stomach problems.
Fibre Nugget Horse Ration (Equiline)
AntioxidantAntioxidant
Complete FeedComplete Feed
FiberFiber
YeastYeast
Fibre Nugget Horse Ration from Equiline is a complete feed that has a high fibre content. This feed can be fed with hay or substituted with hay and is in a nugget form. It contains yeast and antioxidants.
Fibre O Plus (Brooks Feeds)
ExerciseExercise
FatFat
FiberFiber
Omega 3-6-9Omega 3-6-9
Fibre O Plus is a textured performance feed for horses with higher energy demands. It provides added calories from beet pulp and fat sources such as flax and rice bran.
Fibromega Cubed (Meunerie Benjamin)
Complete FeedComplete Feed
Coat QualityCoat Quality
FiberFiber
Gut HealthGut Health
Fibromega Cubed from Meunerie Benjamin is a complete feed that is high in fiber. It is intended to help with gastric health, coat and hoof health, and immunity.
Finger Lakes 12:7 (Poulin Grain)
Complete FeedComplete Feed
GrainsGrains
PerformancePerformance
ProteinProtein
Finger Lakes 12:7 by Poulin Grain is a textured feed intended for race horses. It contains corn, oats, and vitamin and mineral pellets. It supplies 12% crude protein, 7% fat, and 8% fiber.
Finisher 14 (McCauley’s Equine Formulas)
Coat QualityCoat Quality
FatFat
FoalFoal
Weight IssuesWeight Issues
Finisher 14™ is a textured feed designed for performance horses and preparing sale horses. It provides high levels of vegetable oil and beet pulp to promote a healthy coat appearance.
Finishing Touch (Masterfeeds)
Coat QualityCoat Quality
EnergyEnergy
FatFat
Weight IssuesWeight Issues
Masterfeeds Finishing Touch is a high-fat pelleted horse supplement that is used to promote weight gain or to provide fat as an energy source. It can be top-dressed on feed to increase the calorie density of the diet.
Fire-Fighter Non-GMO (Daily Dose Equine)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
Weight IssuesWeight Issues
Fire-Fighter Non-GMO by Daily Dose Equine is a low NSC (10%) forage balancer intended for picky eaters needing to lose weight and horses with sensitive stomachs.
Fit & Fibre – Pelleted (Brooks Feeds)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Fit and Fibre is a high fat and fibre pelleted feed from Brooks Performance Horse Feeds. It contains a minimum of 6.50% fat and a maximum of 20% fibre with an NSC of 32.4% determined by independent testing. It is listed as a controlled NSC feed.
Fit & Fibre – Textured (Brooks Feeds)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Fit and Fibre is a high-fat and fibre textured feed from Brooks Performance Horse Feeds. This feed is meant to provide energy for horses in light to moderate work.
Foal & Weanling (McCauley’s Equine Formulas)
FoalFoal
GrowthGrowth
Gut HealthGut Health
HealthHealth
McCauley's Foal & Weanling is a pelleted feed for foals and growing horses. It is formulated to support gut development and to help transition foals from milk to feed.
Foal Foundation (Tribute Equine)
FoalFoal
GrowthGrowth
PrebioticPrebiotic
ProbioticProbiotic
Tribute Foal Foundation™ is a milk-based pellet for foals up to three months of age to supplement the nutrients provided in mare's milk. The smaller pellet size helps to transition the foal to solid feeds.
FootWise (Wiser Concepts)
Amino AcidAmino Acid
Coat QualityCoat Quality
Hoof HealthHoof Health
Mineral BalanceMineral Balance
FootWise from Wiser Concepts is a hoof and coat supplement that contains minerals and amino acids. It is meant to aid in skin and coat health and healthy hooves.
Formula 2 Equine Supplement (Dr. Reeds) – [Discontinued]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Dr. Reeds Formula 2 is a now-discontinued vitamin/mineral supplement for horses with higher NSC content than Formula 1. This supplement used a combination of organic and inorganic trace minerals and contained wheat and molasses.
Formula4 Feet (Equi Life)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Formula4 Feet is an equine hoof supplement that provides 20 mg of biotin in addition to other vitamins and minerals. It contains a combination of organic and inorganic trace minerals.
Fortifiant Liberte (Nature Belisle)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Fortifiant Liberte by Nature Belisle is a pelleted vitamin and mineral supplement. It is intended for horses and ponies of all ages and work levels.
Fortify (Dove Performance Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Fortify from Dove Performance Nutrition is a pelleted feed ration for horses. It contains vitamins, minerals, protein, fiber and fat.
Fortify (Excel Equine Feeds)
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Fortify from Excel Equine Feeds is a textured feed intended for horses in all stages of life. This feed contains 13% protein and 8% fat. Fortify is intended for horses in any level of work.
Foundation Cube (Hallway Feeds)
FiberFiber
Hay StretcherHay Stretcher
NutritionNutrition
ProteinProtein
Foundation Cube by Hallway Feeds is a cubed feed intended for growing and mature horses. It is a fortified feed that can be fed in amounts up to 18 lbs (8 kg) per day
Free Balance 12:12 Vitamin & Mineral (Purina)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Free Balance 12:12 Vitamin & Mineral from Purina is a granulated mineral supplement. This supplement is intended for horses who are not receiving a balanced concentrate feed.
Free Choice (Doctor’s Choice Supplements)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Free Choice by Doctor's Choice Supplements is a vitamin and mineral supplement intended for horses strictly on pasture or forage. It contains ingredients such as calcium carbonate, salt, and monocalcium phosphate.
Freestyle Performance (Daily Dose Equine)
Caloric EnergyCaloric Energy
FatFat
FiberFiber
PerformancePerformance
Freestyle Performance by Daily Dose Equine is a textured feed that is higher in fat and fibre than Sweet ‘n Safe. It is intended for performance horses. It is also known as Trail Mix.
Full Stride (Pureform)
Hoof HealthHoof Health
JointsJoints
SeniorSenior
Skin + HairSkin + Hair
Pureform Full Stride is a joint and bone supplement for horses containing MSM, Glucosamine, DMG, amino acids, vitamins and minerals. The formula is advertised to maintain cartilage, tendons, muscle, skin, hair and hooves.
Full Support Mini (Pureform)
DigestionDigestion
JointsJoints
Mineral BalanceMineral Balance
VitaminsVitamins
Pureform Full Support Mini is a vitamin/mineral supplement intended for miniature horse breeds. It contains ingredients to support joint health, B-vitamins, as well as organic and inorganic minerals.
General Purpose Supplement (NAF Equine)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
General Purpose Supplement from NAF Equine is intended to be added to a forage-based diet to supply extra vitamins and minerals. This supplement is intended for all horses and ponies.
Generation (Equis Feed)
GrainsGrains
Gut HealthGut Health
NutritionNutrition
VitaminsVitamins
Generation from Equis Feed is intended for breeding stallions, mares in their last trimester and during lactation, and growing foals. This feed contains vitamins and minerals blended with protein, and fiber.
Genesis (Brooks)
BroodmareBroodmare
HealthHealth
NutrientsNutrients
VitaminsVitamins
Genesis by Brooks is a broodmare feed available in either textured or pelleted form. It is designed to meet the enhanced nutritional needs of mares before and after foaling, and it is marketed as having a low glycemic index.
Genesis Performance Plus (Organic Horse Feed)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Genesis™ Performance Plus is a certified organic horse feed intended for race horses, 3-day eventers, and equine athletes. It provides 6.75% fat, 13.75% protein and 8.8% fibre from organic oats, hulless barley, peas, and flax seed meal.
Gentle Balance (LMF Horse Feeds)
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
YeastYeast
Gentle Balance is a pelleted feed for horses that contains energy, vitamins, minerals, and yeast but does not contain grain or molasses. It is a low sugar feed that is meant for horses in light to moderate exercise.
Get Go (Elk Grove Milling) [Discontinued]
Bone HealthBone Health
BroodmareBroodmare
FoalFoal
GrowthGrowth
Get Go by Elk Grove Milling is a pelleted complete feed intended for broodmares, foals and weanlings up to 18 months.
GI Health (Doctor’s Choice Supplements)
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
VitaminsVitamins
GI Health is a pre/probiotic supplement intended for horses subjected to stressful situations such as travelling and competition. It intends to promote gut function.
Glanzen Lite Complete (HorseTech)
Easy KeeperEasy Keeper
FlavorFlavor
Hoof HealthHoof Health
Skin + HairSkin + Hair
Glanzen Lite Complete by HorseTech is a powdered supplement intended to support hoof, skin and coat health in easy-keepers and picky eaters.
Glycocemic EQ Pellets (Uckele Health & Nutrition)
CirculationCirculation
ImmunityImmunity
MetabolismMetabolism
Metabolic SyndromeMetabolic Syndrome
Uckele Glycocemic EQ is a pelleted horse supplement intended to support metabolic health. It contains magnesium, jiaogulan, chromium, taurine, l-carnitine, and other minerals and vitamins.
Gold Chance 10 (Seminole) – [Discontinued]
Complete FeedComplete Feed
ExerciseExercise
HealthHealth
PerformancePerformance
Seminole Gold Chance 10 is a now-discontinued horse feed that provided 10% crude protein, 6% fat and 9% fiber in a pelleted format.
Gold Chance 12+ (Seminole) – [Discontinued]
Complete FeedComplete Feed
ExerciseExercise
GrowthGrowth
ProteinProtein
Seminole Gold Chance 12+ is a now-discontinued horse feed that provided 12% crude protein with added lysine to support growth and performance.
Golden Age – Senior Horse Ration (Kelley’s Feed)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
SeniorSenior
Kelley's Golden Age Senior is a pelleted feed containing fine ground alfalfa hay and pre-cooked extruded grain nuggets for mature and aged horses. It provides 14% protein, as well as added vitamins and minerals.
Golden Gro (Equine Excellence Enterprises)
Coat QualityCoat Quality
Hoof HealthHoof Health
MuscleMuscle
ProteinProtein
Golden Gro by Equine Excellence Enterprises is a protein supplement intended to assist with muscle, coat and hoof health. It contains 30% crude protein and 18% fat.

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