Analyze Diet

Selenium Yeast - Feed Ingredient

Selenium yeast is an organic form of selenium produced by fermenting yeast (Saccharomyces cerevisiae) in a selenium-enriched medium. During fermentation, the yeast incorporates selenium into amino acids which is the most bioavailable form of selenium for animals. Selenium yeast is commonly used in livestock and equine nutrition to support antioxidant function, immune health, and proper muscle function.

Compared to inorganic sources like sodium selenite, selenium yeast is more efficiently absorbed and retained in tissues, leading to improved selenium status in the body. Selenium yeast is also considered safer than selenium salts, as it has a lower risk of toxicity.

Selenium is an essential trace mineral required for the activity of glutathione peroxidase, an enzyme that protects cells from oxidative damage. Horses and other animals depend on dietary selenium because they cannot synthesize it internally.

In horses, selenium deficiency can lead to muscle weakness, poor immune response, and white muscle disease in foals. However, excessive selenium intake can be toxic, causing symptoms such as hoof cracking, hair loss, and neurological issues.

The following equine feeds, supplements and products contain Selenium Yeast 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.
Natural E/Organic Se (Mad Barn)
AntioxidantAntioxidant
Organic Trace MineralsOrganic Trace Minerals
RecoveryRecovery
VitaminsVitamins
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
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.
Stable Mix Lite (Elk Grove Milling)
Complete FeedComplete Feed
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Stable Mix Lite by Elk Grove Milling is a high fiber feed containing less than 12% NSC. It is intended for easy keepers, or horses needing low sugar and starch diets.
Stallion Max (Hallway)
Caloric EnergyCaloric Energy
NutritionNutrition
Omega 3-6-9Omega 3-6-9
StallionStallion
Stallion Max from Hallway is a fortified high-fat, high-fibre feed formulated for stallions. This feed has added omega-3 fatty acids. Stallion Max contains 14% protein, 6% fat, and 12% fibre. It is recommended to start feeding 'Stallion Diets' 60 to 90 days before breeding season begins.
Staminoats (Hallway)
BroodmareBroodmare
GrowthGrowth
LactationLactation
NutritionNutrition
Staminoats from Hallway is a cubed feed fortified with Stamm 30, formulated for broodmares and young growing horses. This feed provides 14% protein, 3% fat, and 11% fibre.
Stamm 30 (Hallway)
BroodmareBroodmare
FoalFoal
GrowthGrowth
StallionStallion
Stamm 30 from Hallway is a vitamin and mineral pellet formulated for growing, reproducing, recreational and performance horses. This can be fed alone to easy keepers, or used to top dress feed for horses not getting the full feeding rate of concentrate feeds. Stamm 30 is used in other Hallway feeds as the source of vitamins and minerals.
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 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 2 Peak Sweet (Trouw Nutrition) [DISCONTINUED]
Complete FeedComplete Feed
ExerciseExercise
FlavorFlavor
GrowthGrowth
Step 2 Peak Sweet is a textured, high-energy feed for horses in heavy work, stallions, growing horses, and hard keepers. It contains 14% protein and 10% fat.
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 5 Top Up Mineral (Trouw Nutrition)
HealthHealth
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
Step 5 Top Up Mineral by Trouw Nutrition is a loose mineral supplement intended for horses who need additional vitamins and minerals in their diet.
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.
Stud Balancer (Heygates Feeds)
BroodmareBroodmare
DigestionDigestion
FoalFoal
StallionStallion
Stud Balancer is a high-protein ration balancer intended for breeding stock, such as broodmares, stallions, and young horses. It is meant to be fed alongside forages or other feeds.
Summit Active (Hubbard Feeds)
GrowthGrowth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Summit Active from Hubbard is a concentrated feed intended for performance horses. It provides 14% crude protein and contains grains, plant proteins, forage products, and vegetable oil.
Summit Senior (Hubbard Feeds)
Coat QualityCoat Quality
Gut HealthGut Health
NutrientsNutrients
SeniorSenior
Summit Senior from Hubbard is a complete feed intended for senior horses at maintenance with dental issues. It contains 14% crude protein and provides digestible energy and protein from mostly forage sources.
Summit® Classic + (Hubbard Feeds)
Complete FeedComplete Feed
Gut HealthGut Health
ImmunityImmunity
NutrientsNutrients
Summit Control+ from Hubbard is a concentrated feed intended for horses at multiple life stages and work levels. It contains 12% crude protein and energy sources from grain products, plant proteins, and forage.
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 16 (Hallway)
BroodmareBroodmare
GrowthGrowth
LactationLactation
NutritionNutrition
Super 16 is a textured sweet feed fortified with Stamm 30 formulated for growing horses and broodmares in peak lactation. This feed uses whole and rolled grains with molasses as energy sources. Super 16 contains 16% protein, 3.5% fat, and 9% fibre.
Super Staminoats (Hallway)
BroodmareBroodmare
GrowthGrowth
LactationLactation
NutritionNutrition
Super Staminoats from Hallway is a cubed feed fortified with Stamm 30, formulated for gestating or lactating broodmares, and young growing horses. This feed contains 16% protein, 3% fat, and 9.5% fibre.
Super Weight Gain (Horse Guard)
Coat QualityCoat Quality
HealthHealth
NutritionNutrition
Weight IssuesWeight Issues
Super Weight Gain by Horse Guard, is a supplement intended for healthy weight gain and enhancing coat condition. This supplement contains full-fat soybeans, prebiotics, probiotics and a vitamin mineral package.
SUPREME™ 14 Pelleted Feed (BUCKEYE Nutrition)
Complete FeedComplete Feed
Gut HealthGut Health
NutritionNutrition
Ration BalancerRation Balancer
SUPREME 14 Pelleted Feed by Buckeye Nutrition is a complete feed with 14% crude protein. It is formulated to support the nutritional needs of mature horses in light to moderate work, seniors, and the breeding herd. SUPREME 14 contains a total of 28% NSC.
Sweat-Up (Hygain)
ElectrolyteElectrolyte
HydrationHydration
RespiratoryRespiratory
Skin + HairSkin + Hair
Sweat-Up from Hygain is a supplement for horses that is intended to aid in coat and skin health, sweating, hydration, and breathing.
Sweet Mix (Dunstan)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
Weight IssuesWeight Issues
Sweet Mix by Dunstan is a highly palatable oat free textured feed that contains molasses. It is formulated to be a medium-energy feed intended for working horses or those requiring additional calories for weight gain.
Sweet Pellet (Seminole)
EnergyEnergy
FlavorFlavor
Mineral BalanceMineral Balance
NutritionNutrition
Seminole Sweet Pellet is a pelleted feed intended for horses, cattle, and goats. It contains 16% NSC, minerals, and antioxidants and is formulated with soybean hulls, grains, corn, and molasses.
Synergize (Tribute)
FatFat
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Synergize by Tribute is a pelleted feed intended for hard-keepers and horses with a heavy workload that are sensitive to sugar and starch.
Synergy (Ark Nutrition)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Ark Nutrition Synergy is a concentrated mineral and vitamin premix containing 100% organic selenium and a blend of inorganic and organic trace minerals. It contains no molasses, fillers or artificial flavours.
Synergy Compete (SEB Equine)
HealthHealth
NutrientsNutrients
NutritionNutrition
PerformancePerformance
Synergy Compete by SEB Equine is a supplement intended to support overall health in performance horses.
TAB (Hallway)
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
VitaminsVitamins
Hallway Feed's TAB is a concentrated pelleted feed intended to balance the diet of horses fed alfalfa hay. It can be fed to horses at all life stages and has a lower feeding rate.
Teff Natural (Equis Feed)
FiberFiber
ForageForage
Mineral BalanceMineral Balance
VitaminsVitamins
Equis® Teff Natural is a horse feed made with teff grass hay that has a low sugar content. It contains canola meal, DDGS, beet pulp, soybean hulls, and added vitamins and minerals.
Tie-By (AniMed)
AntioxidantAntioxidant
ExerciseExercise
MuscleMuscle
RecoveryRecovery
AniMed TIE-BY is an antioxidant supplement for horses that routinely "tie-up." Ingredients include L-carnitine, magnesium, selenium, chromium and Vitamin E. This supplements supports the function of skeletal muscles and muscle enzyme activity.
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 Equine (Total Feeds)
Complete FeedComplete Feed
FiberFiber
Gut HealthGut Health
ProteinProtein
Total Equine is a feed formulated for horses, mules, and donkeys. It contains 15% crude protein and 5% fat. Energy and protein sources include alfalfa meal, rice bran, wheat middlings and soybean meal.
Total Equine LNSC (Total Feeds)
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
NutrientsNutrients
Ration BalancerRation Balancer
Total Equine LNSC is a complete ration designed for horses suffering from insulin resistance. It contains a maximum 16% NSC with high 15% crude protein and moderate 5% fat.
Total Grass Pasture Mineral (Total Feeds)
HealthHealth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Total Grass Pasture Mineral is a vitamin and mineral supplement intended for horses, goats and cattle grazing on pasture. It provides a blend of organic and inorganic minerals.
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 Supplement (Total Supplements)
ImmunityImmunity
Mineral BalanceMineral Balance
RecoveryRecovery
VitaminsVitamins
Total Supplement is a horse supplement that contains vitamins, minerals, amino acids, and probiotics. It can assist with joint support, immunity and muscle recovery.
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.
Tracktorque (Hygain)
DigestionDigestion
EnergyEnergy
Gut HealthGut Health
Skin + HairSkin + Hair
Tracktorque by Hygain is a high-energy feed meant for high performance horses including racing, training, and intense competition. It contains vitamins, minerals, prebiotics, probiotics and is intended to assist with gut health, digestion, coat health, muscle and heart health.
Tradition 12 (Hallway)
BroodmareBroodmare
Complete FeedComplete Feed
Competition HorsesCompetition Horses
NutritionNutrition
Tradition 12 from Hallway is a fortified feed cube formulated for broodmares, stallions, and performance horses. This feed contains 12% protein, 4% fat, and 9% fibre

Related Ingredients

Is Your Horse's Diet Missing Anything?

Identify gaps in your horse's nutrition program to optimize their well-being.