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Cholecalciferol (Vitamin D3) - Feed Ingredient

Cholecalciferol, commonly known as Vitamin D3, is a fat-soluble vitamin that plays a crucial role in calcium and phosphorus metabolism. It is synthesized in the skin of horses when exposed to ultraviolet (UV) light from sunlight. In dietary form, cholecalciferol is typically derived from animal-based sources such as fish liver oil or produced via plant sterols

In equine nutrition, Vitamin D3 is essential for bone health, as it facilitates calcium absorption in the intestines and supports skeletal development. Horses with limited access to sunlight, such as those stabled indoors for extended periods, may require dietary supplementation to prevent deficiencies. A deficiency in Vitamin D3 can lead to impaired bone mineralization.

The following equine feeds, supplements and products contain Cholecalciferol (Vitamin D3) 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.
Milestone Compete Horse Food (Muenster)
Coat QualityCoat Quality
Competition HorsesCompetition Horses
FatFat
MuscleMuscle
Complete Horse Food is intended to promote muscle growth and function. It is ideal for performance horses and breeding stock as extra calories and energy are needed.
Milestone Foal Horse Food (Muenster)
FiberFiber
FoalFoal
GrowthGrowth
ProteinProtein
Foal Horse Food is intended for horses and ponies under the age of 1. The diet includes nutrients needed for normal growth and development.
Milestone Life Horse Food (Muenster)
Caloric EnergyCaloric Energy
FiberFiber
GrainsGrains
Hay StretcherHay Stretcher
Life Horse Food is designed to be a hay replacer and provide nutrients to horses and ponies of all ages. It is ideal for horses that are in moderate work.
Milestone Life Plus Horse Food (Muenster)
FatFat
FiberFiber
GrainsGrains
Omega 3-6-9Omega 3-6-9
Life Plus is a pelleted feed intended to provide additional energy and nutrients to all horses and ponies. It is also suitable for performance horse and breeding horses as they need extra essential nutrients.
Milestone Optimize Horse Supplement (Muenster)
FatFat
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
Optimize Horse Supplement is a high-fat feed intended to provide more energy to breeding horses and performance horses. It contains nutrient dense ingredients such as coconut meal and flaxseed.
Milestone Senior Horse Food (Muenster)
FatFat
FiberFiber
MareMare
SeniorSenior
Milestone Senior Horse Food is a pelleted feed intended for older horses in light to moderate work. It is suitable as a supplemental feed when forage availability is limited. It contains high fiber, low starch, alfalfa, coconut, flax, and algae meal.
Milk & Grow Pellets (Uckele)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Milk & Grow Pellets is a vitamin, mineral, probiotic, and amino acid pelleted supplement formulated for lactating and gestating mares as well as growing foals that have increased nutrient demands.
Min-A-Vite (Blue Seal) [DISCONTINUED]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Min-A-Vite from Blue Seal is a vitamin and mineral supplement intended for horses and ponies of all ages and work levels. Min-A-Vite uses a mix of inorganic and organic trace minerals.
MinerEQ (Omega Alpha)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
MinerEQ by Omega Alpha is a powdered vitamin and mineral supplement for horses that provides essential minerals, trace elements, vitamins, and antioxidants to maintain good health.
Miniature Horse and Pony (Purina)
EnergyEnergy
Gut HealthGut Health
NutritionNutrition
ProteinProtein
Purina® Miniature Horse and Pony is a pelleted concentrate feed intended for all classes of miniature horses and ponies. These animals have different metabolic needs compared to other horses.
Moore Horse Super Dry (Thomas Moore Feed)
FiberFiber
Mineral BalanceMineral Balance
NutrientsNutrients
NutritionNutrition
Moore Horse Super Dry by Thomas Moore Feed is a feed intended for maintenance horses. It has 12% protein, 2% fat, and 17% fiber. It also contains vitamins and minerals.
Moore Power 12-8 (Thomas Moore Feed)
FatFat
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
Moore Power 12-8 by Thomas Moore Feed is a pelleted feed that contains 12% protein and 8% fat. It is intended to balance the diet, assist with body conditioning, and contains vitamins and minerals.
Moore Power 14-10 (Thomas Moore Feed)
EnergyEnergy
GrowthGrowth
NutrientsNutrients
PerformancePerformance
Moore Power 14-10 from Thomas Moore Feed is a high energy feed that is intended for breeding, growing, or performance horses. It contains protein, fat, fiber, vitamins and minerals.
Moore Power Senior (Thomas Moore Feed)
Mineral BalanceMineral Balance
NutrientsNutrients
SeniorSenior
VitaminsVitamins
Moore Power Senior from Thomas Moore Feed is a feed meant for senior horses. It contains minerals, vitamins, fiber and protein. It is intended to assist with maintenance of senior horses.
MuesliMax (Hallway)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
EnergyEnergy
FatFat
MuesliMax from Hallway is a sweet feed fortified with Stamm 30 formulated for high-performance horses with high energy needs. This feed provides energy from oats, barley, vegetable oil, and black sunflower seeds. MuesliMax contains 11% protein, 8% fat, and 10% fibre.
Multi-Max (West Feeds)
GrainsGrains
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
VitaminsVitamins
Multi-Max by West Feeds is a top-dressed supplement meant to support most livestock production animals, with a high level of protein of 28%. The ingredients in this feed include inorganic vitamins and minerals and yeast strains to increase digestibility.
Multi-Species Milk Replacer (Hubbard Feeds)
Bone HealthBone Health
FoalFoal
GrowthGrowth
NutritionNutrition
Hubbard® Life Multi-Species Milk Replacer supplies complete nutrition for foals, goat kids, lambs, calves and piglets. It is used to replace or supplement mother's milk with all-milk protein sources and high fat.
Multiplex (Basic Equine Nutrition)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Multiplex is a concentrated vitamin and mineral supplement for horses to support overall well-being. It is formulated for all life stages and to be fed at a rate of 50 - 75 grams per day.
Munga (Hygain)
Easy KeeperEasy Keeper
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Munga from Hygain is a textured feed intended for horses in light to medium work levels. Munga contains 13% NSC, 25% crude protein and 11% crude fat.
Natur-Alfa Oat (Excel Equine Feeds)
EnergyEnergy
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Alfa Oat from Excel Equine feeds is a cubed feed. Natur-Alfa Oat is an oat-alfalfa feed intended for a wide range of horse lifestyles.
Natur-Oat (Excel Equine Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
NutritionNutrition
Natur-Oat from Excel Equine Feeds is a cubed feed. Natur-Oat is intended for horses in various life stages and is composed of ground oats.
Natural Balance (Havens Horsefeed)
Caloric EnergyCaloric Energy
FiberFiber
NutritionNutrition
Omega 3-6-9Omega 3-6-9
Natural Balance by Havens Horsefeed is an oat- and molasses-free textured feed. It contains wheat, puffed corn, alfalfa meal, and added vitamins and minerals. This feed is intended for nervous horses and those prone to laminitis, summer itch, and insulin resistance.
Natural Digestive Support – BioEquine Supplement
DigestionDigestion
Mineral BalanceMineral Balance
ProbioticProbiotic
Toxin BinderToxin Binder
BioEquine Natural Digestive Support is an equine gut health supplement containing probiotics, toxin binders, Diatomaceous Earth, minerals, vitamins and amino acids.
Natural Senior (Thomas Moore Feed)
Complete FeedComplete Feed
NutrientsNutrients
SeniorSenior
YeastYeast
Natural Senior from Thomas Moore Feed is a complete feed for senior horses. It is intended to be highly soluble to assist senior horses and contains yeast and micronutrients.
Naturals Pelleted Horse Feed (Triple Crown)
Complete FeedComplete Feed
EnergyEnergy
HealthHealth
ProteinProtein
Triple Crown Naturals is a pelleted horse feed made with GMO-free ingredients and without corn, soybean, or molasses. Energy sources include alfalfa meal, ground oats, wheat middlings, and flaxseed.
NaviculaSaver (Bursitex)
HealthHealth
HerbHerb
JointsJoints
Mineral BalanceMineral Balance
NaviculaSaver from Bursitex is an all-natural nutraceutical intended to support navicular health. This supplement contains glucosamine, MSM, and hyaluronic acid intended to promote joint health in horses.
NaviculaSaver (Figuerola Laboratories)
AntioxidantAntioxidant
Bone HealthBone Health
HealthHealth
Hoof HealthHoof Health
NaviculaSaver by Figuerola Laboratories is a bone supplement. It is formulated with glucosamine, chondroitin, MSM, and hyaluronic acid.
Neuro-Vet Syringe (Ramard)
HealthHealth
MuscleMuscle
PerformancePerformance
RecoveryRecovery
Neuro-Vet Syringe from Ramard is a paste supplement that is meant to support the nervous system and it can help with an unsteady gait or balance, as well as muscle tremors or shivers.
Nicker Makers (Purina)
FlavorFlavor
IngredientIngredient
NutrientsNutrients
NutritionNutrition
Nicker Makers by Purina is a highly palatable horse treat intended for adult horses.
Northwest Horse Supplement (NW)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Northwest Horse Supplement is a supplement containing trace minerals, yeast, antioxidants and vitamins. It is intended for stallions and performance, maintenance, and halter horses.
Nu-Foot (Farrier Science Clinic)
Amino AcidAmino Acid
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Nu-Foot by Farrier Science Clinic is a vitamin, mineral, and amino acid supplement for horses intended to support hoof health. It provides 15 mg of biotin, 1 g methionine, 150 mg of zinc, and 65 mg of copper per serving.
Nutrequin Classic Formula Supplement (Equistro)
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
EQUISTRO's Nutrequin Classic is a vitamin and mineral supplement targeted to performance horses, pregnant mares and growing foals and weanlings. It contains inorganic minerals, wheat germ meal, alfalfa meal and mineral oil.
Nutrimix Plus (Stride Animal Health) – [Discontinued]
Coat QualityCoat Quality
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Nutrimix Plus from Stride Animal Health is a vitamin and mineral supplement that can support healthy hooves. It can also contribute to hair and coat quality.
Oatena (Purina)
Caloric EnergyCaloric Energy
ExerciseExercise
HealthHealth
NutrientsNutrients
Purina Oatena is a textured feed intended for active pleasure horses in boarding stables and riding schools. It supplies moderate protein (13%) and low fat (4%) from ingredients such as whole oats, flaked barley, wheat, soy hulls, and soybean oil.
OBS Easy 10 (Ocala Breeders’ Feed and Supply)
Easy KeeperEasy Keeper
FiberFiber
NutritionNutrition
Weight IssuesWeight Issues
OBS Easy 10 by Ocala Breeder’s Supply (OBS) is a complete pelleted feed intended for easy-keepers and horses at maintenance. It provides lower protein (10%) and fat (3.5%) content and is composed of corn, oats, wheat middlings, soybean hulls, alfalfa meal and molasses.
OBS Generation (Ocala Breeders’ Feed and Supply)
FatFat
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
OBS Generation is a complete pelleted feed formulated for horses at maintenance. It is made with wheat middlings, oats and corn, and provides 14% protein and 6% fat.
OBS Gest-O-Lac (Ocala Breeders Feed & Supply)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
OBS Gest O Lac is a textured horse feed for broodmares in late gestation, lactating mares, and foals. It contains high protein and fat content to support growth and lactation. Yeast culture is added to help support gut health.
OBS Hi-Amo Plus (Ocala Breeders Feed & Supply)
Amino AcidAmino Acid
ExerciseExercise
GrowthGrowth
LactationLactation
OBS Hi-Amo Plus is a textured concentrate feed designed to support growth and reproductive function. It contains added lysine, digestible fibre sources, and selenium yeast.
OBS Mane 10 (Ocala Breeders’ Feed and Supply)
Easy KeeperEasy Keeper
FiberFiber
Mineral BalanceMineral Balance
VitaminsVitamins
OBS Mane 10 is a complete textured feed intended for easy-keepers and pleasure horses. It contains 10% protein and 3.5% fat and contains oats, corn and wheat middlings.
OBS Pellet Plus (Ocala Breeders Feed & Supply)
ExerciseExercise
FoalFoal
GrowthGrowth
LactationLactation
OBS Pellet Plus is a pelleted horse feed with added lysine for horses in training, broodmares, and growing horses. Pellet Plus contains vegetable oil as a source of energy and selenium yeast to support immune and reproductive function.
OBS Performance Blend (Ocala Breeders Feed & Supply)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
Weight IssuesWeight Issues
OBS Performance Blend is a textured horse feed targeted to yearlings and horses in heavy training or that require improvement in condition. It provides a higher energy density and fat content to support weight management.
OBS Professional Blend (Ocala Breeders Supply)
Competition HorsesCompetition Horses
ExerciseExercise
FatFat
PerformancePerformance
OBS Professional Blend is a complete textured feed intended for high-performance horses. It is formulated with oats, corn and beet pulp and contains 10% fat.
OBS Racing Blend (Ocala Breeders Feed & Supply)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
OBS Racing Blend is a horse feed formulated for racehorses. Racing Blend provides a higher energy density to meet the needs of horses in heavy training. This feed contains beet pulp and steam-crimped oats.
OBS Sport Feed (Ocala Breeders’ Feed and Supply)
Amino AcidAmino Acid
Caloric EnergyCaloric Energy
ExerciseExercise
PerformancePerformance
OBS Sport Feed is a complete feed intended for performance horses. It is formulated with wheat middlings, soybean hulls and alfalfa meal. It contains 13% protein and 10% fat.
Oleo Special (Purina)
Complete FeedComplete Feed
DigestionDigestion
FatFat
HindgutHindgut
Purina Oleo Special is an oiled textured feed for pleasure or performance horse that are housed in boarding stables. It provides 7% fat with ~22% NSC.
Omega Advantage (ProElite)
FatFat
GrowthGrowth
Omega 3-6-9Omega 3-6-9
PerformancePerformance
ProElite Omega Advantage is an extruded horse supplement providing 24% fat with added flax. It is intended to provide extra calories and aid in weight gain.
Omega Bran (McCauley’s)
FatFat
Hoof HealthHoof Health
Mineral BalanceMineral Balance
VitaminsVitamins
Omega Bran by McCauley's is a high fat (27.8%) supplement containing vitamins and minerals, it is intended for all horses.
Omega Horseshine COMPLETE (Omega Fields)
FatFat
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Skin + HairSkin + Hair
Omega Horseshine COMPLETE is an omega-3 fatty acid and vitamin-mineral supplement for horses. It is formulated with flaxseed as a source of alpha-linolenic acid, yeast, vitamins and minerals.
Omega Match Ration Balancing Horse Feed (Purina)
EnergyEnergy
FatFat
FiberFiber
ProteinProtein
Purina Omega Match Ration Balancer is a pelleted feed intended for horses at any activity level and life stage. It is designed to fill nutrient gaps from forage or unfortified grains.
OMG (Dove Performance Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
OMG from Dove Performance Nutrition is a pelleted feed ration for horses. It contains vitamins, minerals, protein, fiber and fat.

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