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Vitamin D Supplement - Feed Ingredient

Vitamin D Supplement refers to feed-grade sources of Vitamin D, commonly available as Vitamin D₂ (ergocalciferol) or Vitamin D₃ (cholecalciferol). In equine nutrition, Vitamin D₃ is the preferred form, as it is more bioavailable and is the natural form synthesized in the skin when exposed to sunlight. Vitamin D plays a crucial role in calcium and phosphorus metabolism, aiding in the regulation of bone growth, maintenance, and overall mineral homeostasis.

Horses primarily obtain Vitamin D from sunlight exposure and, to a lesser extent, from forage. However, supplementation may be necessary for horses kept indoors for extended periods, those with limited sun exposure, those that live in Norther Climates, or those with increased nutritional demands.

The following equine feeds, supplements and products contain Vitamin D 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.
Growth (Triple Crown)
FoalFoal
GrowthGrowth
LactationLactation
StallionStallion
Triple Crown Growth is a beet-pulp-based feed intended to support healthy growth and joints and meet the needs of broodmares and breeding stallions. It provides 10% fat and 15% crude fiber.
Growth Cubes (Tribute)
Bone HealthBone Health
DigestionDigestion
FatFat
FiberFiber
Tribute Growth Cubes are a cubed complete feed intended for growing horses between 3 months to 2 years and broodmares during gestation and lactation. Growth Cubes are high in protein (16%) and digestible fibre (18%).
Growth Pelleted (Woody’s Horse Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Woody's Growth Pelleted is a complete pelleted feed formulated for broodmares, foals, and growing horses. It contains added amino acids and chelated trace minerals. This feed contains a maximum of 15% crude fiber.
GROWTH Pelleted Horse Feed (BUCKEYE Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Buckeye GROWTH Pelleted Feed is a horse feed targeted to broodmares and growing horses. It provides higher levels of protein and added lysine.
Growth Pellets (Tribute)
FatFat
FiberFiber
GrowthGrowth
LactationLactation
Tribute Growth Pellet is a 15% NSC pelleted feed intended for broodmares during pregnancy and lactation and growing foals from 3 months to 2 years. It provides higher protein to support development.
Growth Textured (ProElite)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
ProElite Growth Horse Feed is a textured feed intended for foals, growing horses, and broodmares. It provides 16% protein to support development with a maximum NSC of 19.8%.
Growth Textured (Tribute)
Bone HealthBone Health
GrowthGrowth
LactationLactation
ProteinProtein
Tribute Growth Textured is a complete textured feed intended for broodmares during pregnancy and lactation as well as growing horses from 3 months to 2 years. It provides high protein levels which can support growth and is formulated for diets containing less than 50% legume forage.
Growth Textured (Woody’s Horse Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Woody’s Growth Textured is a complete textured feed formulated for broodmares, stallions, and growing horses. Omega-3 fatty acids is meant to help strengthen immune systems in both mare and foal.
GROWTH Textured Sweet Feed (BUCKEYE Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Growth Textured Sweet Feed by Buckeye is a complete feed designed for broodmares and growing horses. It provides fat, carbohydrates, and proteins from whole oats, soybean hulls, soybean oil and molasses. It contains 24% NSC.
H-Formula (Biopteq)
HealthHealth
ImmunityImmunity
JointsJoints
MuscleMuscle
H-Formula from Biopteq is a pelleted supplement intended for horses who require additional protein in their diet. This supplement is intended to support the maintenance of muscles and tendons.
Handimash (Hallway)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
ExerciseExercise
HydrationHydration
HandiMash from Hallway feeds is an electrolyte mash to increase fluid intake and replenish electrolytes lost after exercise or other stressful events. HandiMash is not intended to replace a daily feed regiment.
Hay Replacer Pellets (Kelley’s Feed)
FiberFiber
ForageForage
Hay StretcherHay Stretcher
NutritionNutrition
Kelley's Hay Replacer Pellets is a forage replacement made of alfalfa, bermuda, and mixed grasses. It also contains added molasses, vitamins, and minerals. This pelleted hay replacer is intended for all horses and ponies, especially those who have trouble chewing.
HaySaver (Hoffman’s Horse Products)
Gut HealthGut Health
Hay StretcherHay Stretcher
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Hoffman's HaySaver is a cubed ration designed to be fed when hay quality is poor or good quality hay is limited. Hoffman's HaySaver has an NSC% of 20%, and uses both inorganic and organic trace minerals.
Head Start Plus Colostrum (Doctor’s Choice Supplements)
FoalFoal
GrowthGrowth
Mineral BalanceMineral Balance
VitaminsVitamins
Head Start Plus Colostrum is a foal supplement intended to provide vitamins, minerals, probiotics, prebiotics, and colostrum to help support immune function, gut health, and overall wellness.
Healthy Balance Farmland Recipe Horse Feed (Dr. Pol)
Caloric EnergyCaloric Energy
HealthHealth
NutritionNutrition
SeniorSenior
Healthy Balance Farmland Recipe Horse Feed is an extruded feed that intends to enhance coat health and promotes lean muscle growth while supporting senior horses with bad or missing teeth.
Healthy Evolution Farmland Recipe Horse Feed (Dr. Pol)
DentalDental
GrainsGrains
Mineral BalanceMineral Balance
VitaminsVitamins
Healthy Evolution Farmland Recipe Horse Feed is an extruded feed intended to enhance coat health and promote lean muscle growth for pregnant/lactating mares and growing foals.
Heritage 14% Textured with 8% Fat (Big V Feeds)
Complete FeedComplete Feed
FoalFoal
MareMare
PerformancePerformance
Heritage 14% Textured with 8% Fat by Big V Feeds is a feed with a high protein, high fat, and moderate level of fibre. This feed includes ingredients such as oats, soybean meal, and vitamins and minerals.
Hi Fat Hi Fibre Pellets (Sharpe Farm Supplies)
Caloric EnergyCaloric Energy
FatFat
FiberFiber
Gut HealthGut Health
Sharpe Hi Fat Hi Fibre Pellets is a horse feed formulated to provide caloric energy primarily from fat and digestible fibre.
Hi-E 11:10 Horse Pellet (Bartlett Milling) [Discontinued]
Complete FeedComplete Feed
FatFat
FiberFiber
ProteinProtein
Hi-E 11:10 Horse Pellet is an 11% protein and 10% fat complete feed that utilizes wheat middlings, corn products, soy hulls, alfalfa meal and soy oil as its energy sources.
Hi-Fat Horse Pellet (Bryant Grain)
FatFat
ImmunityImmunity
NutritionNutrition
SeniorSenior
Hi-Fat Horse Pellet from Bryant Grain contains 5% fat and 13% crude protein. This feed is intended for the maintenance of mature horses.
High Country Sweet (Kelley’s Feed)
Caloric EnergyCaloric Energy
ExerciseExercise
FlavorFlavor
NutritionNutrition
High Country Sweet by Kelley's Feed is a grain-based feed with added vitamins and minerals. It contains oats, barley, and corn. It is formulated to provide 12% crude protein.
High Energy 11:8 Sweet Horse (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
ExerciseExercise
FlavorFlavor
PerformancePerformance
High Energy 11:8 Sweet Horse is a sweet feed intended for working horses that require additional energy. It provides 11% protein and 8% fat from corn, oats, and soybean oil.
High Fat Horse Nugget (Alfa Force Equine)
Complete FeedComplete Feed
FiberFiber
NutrientsNutrients
NutritionNutrition
High Fat Nuggets by Alfa Force Equine is a pelleted feed that can replace all forage. It is intended for pleasure, performance, or breeding horses.
High Fat Horse Pellet (Alfa Force Equine)
FatFat
HealthHealth
NutrientsNutrients
NutritionNutrition
High Fat Horse Pellet by Alfa Force Equine is a pelleted feed intended for all classes of horses.
High Fat Pellets (Ritchie Smith – Harmony)
Complete FeedComplete Feed
EnergyEnergy
Low NSC FeedsLow NSC Feeds
MetabolismMetabolism
High Fat Pellets from Ritchie Smith's Harmony is a complete feed that has a low NSC value and is ideal for hard keepers, performance horses, stallions, horses who need slow release energy or horses with metabolic issues. It can help with immunity, hooves and skin, and gut health.
High Fibre Pellets (Ritchie Smith – Harmony)
FiberFiber
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
High Fibre Pellets from Ritchie Smith's Harmony is a low NSC feed intended for easy keepers or horses who have metabolic issues. This feed is 13% crude protein and 5% fat.
High Impact (HorseLogic)
Hoof HealthHoof Health
JointsJoints
MuscleMuscle
PerformancePerformance
High Impact from HorseLogic is a hoof and joint supplement. High Impact contains amino acids and biotin for hoof health, plus MSM, glucosamine, collagen, and chondroitin for joint health.
High Performance (Thomas Moore Feed)
EnergyEnergy
NutrientsNutrients
PerformancePerformance
YeastYeast
High Performance from Thomas Moore Feed is a high energy feed that is intended for performance horses. It also contains minerals, vitamins and yeast.
High Point Pellets (HorseTech)
Gut HealthGut Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
High Point Pellets by HorseTech is a pelleted vitamin and mineral supplement formulated to balance forage-based diets and support overall health. It also contains added prebiotics to promote optimal digestive function.
High Point-Alfalfa Hay (HorseTech)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
High Point- Alfalfa from HorseTech is a vitamin and mineral supplement which is designed to be fed in alfalfa-based diets. The 3-ounce feeding rate provides phosphorus and essential vitamins as well as trace minerals.
High Point-Grass/Mixed Hay (HorseTech)
HealthHealth
ProbioticProbiotic
Ration BalancerRation Balancer
VitaminsVitamins
High Point-Grass/Mixed Hay is a vitamin-mineral supplement formulated for horses consuming grass or mixed hay diets. This supplement provides a higher calcium-phosphorous ratio.
High Step (Equi-lete)
Easy KeeperEasy Keeper
Hoof HealthHoof Health
ImmunityImmunity
Skin + HairSkin + Hair
High Step by Equi-lete is a vitamin and mineral supplement intended to support overall health in pleasure horses, easy keepers and non-performance horses.
High VAULTage (Equi-lete)
HealthHealth
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
High VAULTage by Equi-lete is a vitamin and mineral supplement intended to support health, performance and recovery in performance horses and hard keepers.
High-Fat Sweet 10 (Manna Pro) [Discontinued]
Complete FeedComplete Feed
FlavorFlavor
HealthHealth
NutritionNutrition
High-Fat Sweet 10 from Manna Pro is designed for active pleasure horses, broodmares, and stallions. It contains 10% crude protein, 5% crude fat, 10% crude fibre, and uses inorganic trace minerals.
Hiland’s Big Sky Mineral (Hiland Supply Co. Ltd)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Hiland's Big Sky Mineral by Hiland Supply Co. Ltd is a mineral supplement intended to support overall health in all horse types.
HistAll H (AniMed)
HealthHealth
ImmunityImmunity
NutrientsNutrients
VitaminsVitamins
HistAll H from AniMed is a supplement meant to help horses suffering from seasonal allergies, to support normal histamine levels and a healthy immune system. It also claims to help combat environmental irritants and pollutants.
Hoof + Hair (Bluebonnet Feeds)
Coat QualityCoat Quality
Hoof HealthHoof Health
NutrientsNutrients
Skin + HairSkin + Hair
Hoof + Hair by Bluebonnet Feeds is a vitamin and mineral supplement intended to support healthy hooves and coat in all horse types.
Hoof Maker (Hypona)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Hoof Maker by Hypona is a vitamin and mineral supplement intended to support overall hoof health in all horse types.
Hoof Organic (Advanced Biological Concepts)
HealthHealth
Hoof HealthHoof Health
ImmunityImmunity
VitaminsVitamins
Hoof Organic from Advanced Biological Concepts is a pelleted hoof supplement for horses. Hoof Organic is fortified with trace minerals and biotin intended for hoof growth.
Hoof Pro Plus (Excel Equine)
HealthHealth
Hoof HealthHoof Health
NutrientsNutrients
RecoveryRecovery
Hoof Pro Plus by Excel Equine is a pelleted hoof supplement formulated to support normal hoof growth and overall hoof quality. It contains biotin, methionine, calcium, and zinc.
Hoof-N-Sole (Iron Horse)
Coat QualityCoat Quality
HealthHealth
Hoof HealthHoof Health
ImmunityImmunity
Hoof-N-Sole from Iron Horse is a pelleted supplement intended to maximize hoof growth. This supplement contains essential amino acids, trace vitamins and minerals intended to improve coat health.
Hoofgain (Hygain)
Coat QualityCoat Quality
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Hoofgain from Hygain is a hoof supplement. It contains vitamins, minerals, and fatty acids. It is meant to support hoof and coat health.
HOOFmaster (Herbs for Horses)
Amino AcidAmino Acid
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
HOOFmaster is a pelleted hoof supplement formulated with 20 mg of biotin per serving. HOOFmaster also contains minerals and amino acids such as zinc, copper, and methionine.
Horse & Mule (West Feeds)
Easy KeeperEasy Keeper
FiberFiber
GrainsGrains
NutritionNutrition
Horse & Mule by West Feeds is a feed meant for your pasture pals, with a lower amount of protein of 10% and a high amount of fibre of 20%. This feed includes ingredients such as molasses and vegetable oil to increase palatability.
Horse Block (DuMor)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
DuMor Horse Block is a vitamin, mineral, and protein supplement for horses in a block format. It contains predominantly inorganic trace minerals and is intended to be offered free choice.
Horse Crunchies (Hoffman’s Horse Products)
Easy KeeperEasy Keeper
FlavorFlavor
HealthHealth
NutritionNutrition
Horse Crunchies from Hoffman's is a cubed treat for horses. Horse Crunchies are 22% NSC and are intended to be a healthy treat option for horses.
Horse Cubes (Alfa Force Equine)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
NutritionNutrition
Horse Cubes by Alfa Force Equine is a pelleted feed intended for all classes of horses.
Horse Guard
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Horse Guard is a pelleted, concentrated vitamin-mineral supplement designed for all classes of horses. The recommended feeding rate is 2 oz per day.
Horse Low Starch Ration Balancer (Modesto Milling)
FiberFiber
ProteinProtein
Ration BalancerRation Balancer
VitaminsVitamins
Horse Low Starch Ration Balancer from Modesto Milling is a ration balancer containing 20% protein, 19% fiber and 9.7% fat. It also contains vitamins and minerals.
Horse Maintenance Formula (Bartlett Milling) [Discontinued]
Easy KeeperEasy Keeper
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
Bartlett Horse Maintenance Formula is a 13.5% protein and 3.5% fat pelleted feed. It is designed to supply a lower energy density for horses at maintenance.

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