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Sodium Selenite - Feed Ingredient

Sodium selenite is an inorganic form of selenium, a trace mineral that is essential for various physiological functions in horses. Selenium plays a crucial role in antioxidant defense, thyroid hormone metabolism, and immune function. Sodium selenite is commonly used as a feed supplement to ensure adequate selenium intake in equine diets.

In equine nutrition, sodium selenite is often included in feed formulations and supplements to prevent selenium deficiency, which can lead to muscle disorders, impaired immune function, and reproductive issues. It is important to provide the appropriate amount of sodium selenite, as both deficiency and excess selenium can be harmful to horses. Selenium supplementation should be carefully managed to maintain optimal health and performance.

The following equine feeds, supplements and products contain Sodium Selenite as an ingredient.

Feeds, Supplements & Products
Carb-Buster Non-GMO (Daily Dose Equine)
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Ration BalancerRation Balancer
VitaminsVitamins
Carb-Buster Non-GMO by Daily Dose Equine is a premixed feed that is intended to be fed as a forage ration balancer. It contains vitamins, minerals, amino acids, and probiotics meant for proper nutrient absorption.
Carb-Guard – 12% Pelleted Horse Feed (Blue Seal)
Complete FeedComplete Feed
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Blue Seal Carb-Guard is a 12% protein and 8% fat pelleted complete feed with less than 11% NSC. It is formulated with various roughages for fibre as well as wheat middlings, corn germ, and dried distillers grains for energy.
CarbCare Performance (Legends)
Complete FeedComplete Feed
EnergyEnergy
FatFat
PerformancePerformance
Legends CarbCare Performance is a pelleted feed for adult performance horses engaging in moderate exercise. It provides 10% fat to meet energy requirements and support endurance.
CarbCare Show & Pleasure (Legends)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
ExerciseExercise
PerformancePerformance
Legends CarbCare Show & Pleasure is a pelleted feed for adult horses in light to moderate activity. It lists a maximum NSC of 20%, based on 15% starch and 5% sugar content.
Carbolyte (Excel Equine Feeds)
HealthHealth
IngredientIngredient
NutrientsNutrients
NutritionNutrition
Carbolyte from Excel Equine Feeds is a pelleted feed. This feed is intended for horses who require a reduced starch diet.
Carboraider Complete (King Brand)
Complete FeedComplete Feed
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Carboraider Complete from King is a pelleted complete feed for horses. Carboraider Complete is intended for adult horses who require lower sugar and starch levels in their diets. This feed is formulated with beet pulp and a rice bran base.
Carboraider Senior (King)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Carboraider Senior by King is a complete feed intended for senior horses requiring controlled levels of starch and sugar.
Classic (CFC Farm Home Center)
FiberFiber
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
Classic from CFC Farm Home Center is a pelleted horse feed that is meant for light working horses. It contains fiber, minerals and vitamins. It also has low sugar levels.
Classic 12 Plus (Manna Pro) [Discontinued]
BroodmareBroodmare
Complete FeedComplete Feed
NutritionNutrition
PerformancePerformance
Classic 12 Plus from Manna Pro is a pelleted feed designed for performance horses, stallions, and broodmares. Classic 12 Plus provides 12% crude protein, 6% crude fat, 8% crude fibre, and uses a mix of organic and inorganic trace minerals.
Classic Finish (Quality Feeds)
BroodmareBroodmare
EnergyEnergy
PerformancePerformance
StallionStallion
Classic Finish by Quality Feeds is a textured sweet feed containing beet pulp, it is intended for breeding and performance horses.
Colt Builder Paste (DAC)
FoalFoal
HealthHealth
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Colt Builder Paste by DAC is a bone and joint supplement formulated for foals and yearlings. Each tube provides 270 mg of manganese and 348 mg of zinc.
Competition Plus (Brooks)
Competition HorsesCompetition Horses
EnergyEnergy
GrainsGrains
PerformancePerformance
Competition Plus by Brooks is a corn-free textured feed intended for performance horses. It provides high energy levels from energy sources such as beet pulp and added fat from soy oil.
Complement Advantage (Excel Equine Feeds)
FiberFiber
HealthHealth
NutrientsNutrients
NutritionNutrition
Complement Advantage by Excel Equine Feeds is a textured feed intended for hard keepers or horses in heavy training.
Complement Control (Excel Equine Feeds)
EnergyEnergy
HealthHealth
NutritionNutrition
PerformancePerformance
Complement Control by Excel Equine Feeds is a pelleted feed intended to provide nutrition with a low feeding rate for growing, performance, breeding and maintenance horses.
Complement Foundation (Excel Equine Feeds)
HealthHealth
ImmunityImmunity
NutrientsNutrients
NutritionNutrition
Complement Foundation by Excel Equine Feeds is a beet pulp based textured feed intended for all horse types.
Complete (Equis Feed)
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
YeastYeast
Complete by Equis Feeds is a high-protein, high-fiber and low-fat complete feed intended for adult horses. It is formulated with alfalfa, wheat middlings, molasses, organic minerals, and digestive aids.
Complete 12% Horse Feed (Agrimaster)
Complete FeedComplete Feed
GrainsGrains
NutritionNutrition
PerformancePerformance
Complete 12% Horse Feed by Agrimaster is a pelleted feed with an elevated level of fibre, ideal for overweight horses and easy keepers. It contains grain products, plant protein products, and processed grain by-products.
Complete Horse 12 (Manna Pro)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
GrainsGrains
NutritionNutrition
Complete Horse 12 from Manna Pro is a pelleted feed for mature horses at maintenance or in light work. This feed is meant to be fed alongside hay and/or pasture. It contains 12% crude protein, 2% crude fat, and 24% crude fibre.
Complete Horse Pellets w/ Roughage (Bartlett Milling) [Discontinued]
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
VitaminsVitamins
Bartlett Complete Horse Pellets with Roughage is a 12% protein and 2.5% fat feed formulated for pleasure horses. Calories are provided from wheat middlings, alfalfa meal, soybean hulls, and ground corn.
Complex 40 (Technavet)
HealthHealth
ImmunityImmunity
Mineral BalanceMineral Balance
VitaminsVitamins
Complex 40 is a vitamin and mineral supplement for horses. Complex 40 contains trace minerals and is intended to support immune response, collagen production and joint health.
Cool & Collected (Allen & Page)
Easy KeeperEasy Keeper
IngredientIngredient
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Cool & Collected from Allen & Page is high in fibre and is recommended to be fed soaked. Cool & Collected contains added probiotics and linseed.
Cool & Safe (Thomas Moore Feed)
Complete FeedComplete Feed
EnergyEnergy
ExerciseExercise
NutrientsNutrients
Cool & Safe is a complete feed from Thomas Moore Feed. It is low in starch and sugars and contains minerals, vitamins, and postbiotics. It is intended to provide energy through fat and fiber for training or exercising horses.
Cool Mix (Havens Horsefeed)
BroodmareBroodmare
CalmingCalming
Caloric EnergyCaloric Energy
StallionStallion
Cool Mix by Havens Horsefeed is an alfalfa-based muesli feed with slow-releasing energy content for nervous horses. It contains several grains, soybean hulls, and added vitamins and minerals.
Cool Performance (Quality Feeds)
EnergyEnergy
HealthHealth
NutrientsNutrients
NutritionNutrition
Cool Performance by Quality Feeds is a complete feed intended to support the energy needs of all horse types.
Country Acres 12% Pelleted Horse Feed Hi Fat (Purina Mills)
FatFat
HealthHealth
NutrientsNutrients
NutritionNutrition
Country Acres 12% Pelleted Horse Feed Hi Fat by Purina Mills is a pelleted feed containing vitamins and minerals. It is intended for all horse types.
Country Feeds Adult 12 Textured (Nutrena) [Discontinued]
DigestionDigestion
Hoof HealthHoof Health
MuscleMuscle
NutritionNutrition
Country Feeds Adult 12 Textured is a textured complete feed formulated for all activity levels of mature horses. It provides 12% protein, 6% fat, and 24% NSC.
Country Feeds Complete (Nutrena)- [Discontinued]
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Country Feeds Complete is a high fibre complete feed designed to provide 12% protein, 3% fat, and 22% NSC. It is marketed as a hay replacement.
Cut’n Slide (Running Horse Elite Equine Nutrition)-[Discontinued]
EnergyEnergy
ExerciseExercise
PerformancePerformance
Ration BalancerRation Balancer
This feed has been renamed and repackaged to Prime Running Horse Feeds. Running Horse Cut n’ Slide was a nutritional supplement containing vegetable fat, soluble fibers, vitamins, and minerals. It was targeted at performance horses with higher caloric needs.
Daily 35% (Equis Feed)
Gut HealthGut Health
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Daily 35% by Equis Feeds is a pelleted ration balancer containing 35% protein that can be fed alone or in combination with other feeds. This highly fortified concentrate has an average feeding rate of 1-1.5 lbs per day.
Daily Start Probiotic (Doctor’s Choice Supplements)
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
Daily Start Probiotic by Doctor's Choice Supplements is a pre/probiotic supplement intended to support gut health. It is designed for broodmares and horses that have difficulty keeping weight.
Decade Sprint Extreme (Poulin Grain)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Mineral BalanceMineral Balance
VitaminsVitamins
Decade Sprint Extreme by Poulin Grain is a textured feed for performance horses and broodmares. It provides 13% protein, 8% fat and 10% fiber.
Developer Ration (Hoffman’s Horse Products)
BroodmareBroodmare
FoalFoal
Grain FreeGrain Free
GrowthGrowth
Hoffman's Developer Ration is a pelleted feed for weanlings, growing horses up to two years of age, and pregnant broodmares. This feed contains 17% protein, 5.5% fat, 17.5% NSC, and provides a mix of organic and inorganic trace minerals.
Direct Action Supplement (DAC)
Amino AcidAmino Acid
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Direct Action is a multivitamin and trace mineral concentrate for horses. This low feeding rate supplement is formulated to provide added vitamins, minerals, and amino acids required in the equine diet.
Distinguished (Hallway)
DigestionDigestion
Gut HealthGut Health
NutritionNutrition
SeniorSenior
Distinguished is a textured feed from Hallway feeds for senior horses fortified with Stamm 30, containing 14% protein and 10% fat. Distinguished uses soluble fibre from beet pulp, soy hulls, and chopped hay. It also contains added oil for energy.
Dr. Reeds 3.0 (Purica)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Purica Dr. Reed's 3.0 is a new version of the now-discontinued Dr. Reed's Formula 2 vitamin and mineral supplement. This concentrated supplement provides a mix of organic and inorganic trace minerals, flaxseed and Natural Vitamin E.
DraversBrok (Havens Horsefeed)
ExerciseExercise
Hoof HealthHoof Health
NutritionNutrition
PerformancePerformance
DraversBrok by Havens Horsefeed is a high-energy feed intended for performance horses. It contains cereal grains, alfalfa, and flax oil as energy sources. This feed helps support optimal skin and hoof conditions.
Dyna Foal (Lakin Milling Company)
EnergyEnergy
FoalFoal
Mineral BalanceMineral Balance
NutritionNutrition
Dyna Foal from Lakin Milling Company is a pelleted feed intended for growing horses. Dyna Foal Horse Pellets contain a balanced calcium-to-phosphorus ratio intended for the growth and development of young horses.
Dynasty Pro 14/6 Pellet (Blue Seal)-[Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
GrowthGrowth
NutritionNutrition
Dynasty Pro 14/6 Pellet was a pelleted feed containing 6% fat, 14% protein, fermentable fiber, nutrients, and yeast. This was feed targeted horses of all ages and supported growth, performance, breeding, and lactation.
Dynasty Senior 14/6 Pellet (Kent Equine) – [Discontinued]
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FiberFiber
SeniorSenior
Dynasty Senior Pellet was high in fiber and provided added fat to maintain body condition in mature and senior horses. This feed contained a blend of vitamins and minerals, yeast cultures, and protein.
Dynasty Show 12/6 Pellet (Kent Equine) – [Discontinued]
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Dynasty Show 12/6 Pellet was a horse feed designed to meet the energy needs of active adult horses. This feed provided 12% protein, 6% fat, digestible fiber, vitamins, minerals, essential amino acids, antioxidants, and yeast cultures.
Dynasty XT Pro 14/10 Textured Horse Feed (Blue Seal) – [Discontinued]
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
MuscleMuscle
Blue Seal Dynasty XT Pro 14/10 is a textured horse feed made with shredded beet pulp. It provides 14% protein to support growing, performance and breeding horses.
E-SE-MAG Pellets (MVP)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
E-SE-MAG Pellets by MVP is a supplement for horses that contains vitamin E, selenium and magnesium. It intends to support efficient muscle function and manage exercise-associated muscle discomfort.
Easy 8 Horse Pellet (Thomas Moore Feed)
FatFat
FiberFiber
Mineral BalanceMineral Balance
NutrientsNutrients
Easy 8 Horse Pellet from Thomas Moore Feed is a pelleted feed intended for mature horses. It contains 12% protein, 8% fat, 17% fiber, and contains vitamins and minerals.
Econo Creep Pellets (West Feeds)
FiberFiber
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Econo Creep Pellets by West Feeds is an all livestock feed meant to support maintenance, with 14% protein and a moderate level of fibre of 18%. This feed includes ingredients such as grain products, roughage products, and inorganic vitamins and minerals.
ecube Complete Senior (Blue Seal)
FiberFiber
ForageForage
Mineral BalanceMineral Balance
VitaminsVitamins
ēcube Complete Senior is a complete horse feed in a large cube format. It is formulated with alfalfa and grass hays and provides less than 10% NSC. It is intended for mature horses but can be suitable for horses of all life stages.
Edge 14 (Hallway)
EnergyEnergy
FatFat
FiberFiber
NutritionNutrition
Edge 14 from Hallway is a feed fortified with Stamm 30, providing 14% protein, and 6% fat. This feed provides energy from digestible fibres and vegetable oil.
Eeze (Brooks Feeds)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
PerformancePerformance
Eeze by Brooks Feeds is a textured feed for performance horses active in high-intensity disciplines requiring a reduced carbohydrate level. It draws energy primarily from digestible fibres and fats, including rice bran.
Eeze Pro-Plus (Brooks Feeds)
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Eeze Pro-Plus is a calorie dense textured feed that is high fibre and fat for performance horses with a reduced carbohydrate level. Lab analysis provides a calculated NSC value of ~19%.
Element (Equis Feed)
Caloric EnergyCaloric Energy
GrainsGrains
Mineral BalanceMineral Balance
VitaminsVitamins
Element by Equis Feeds is a high-protein and moderate-fat horse feed that has 15.6% NSC. It contains Zinpro®4-Plex EQ performance trace minerals, prebiotic fibre, beet pulp, and soybean hulls.
Element (Stride Animal Health) – [Discontinued]
ElectrolyteElectrolyte
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Element from Stride Animal Health is a mineral supplement that can assist with the general health of horses. It contains vitamins, minerals, and electrolytes.

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