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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.
Solutions 10 Textured (Right Choice)
Complete FeedComplete Feed
FatFat
Gut HealthGut Health
NutritionNutrition
Solutions 10 Textured by Right Choice is a textured complete feed containing 10% protein, 10% fat, and 26.5% NSC. It is formulated for horses in work and maintenance.
Solutions 12 Pellet (Right Choice)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Solutions 12 by Right Choice is a textured complete feed intended for horses at work and maintenance. It contains 12% protein and 8% fat with added yeast and amino acids.
Solutions 14 Cube (Right Choice)
Complete FeedComplete Feed
FiberFiber
NutritionNutrition
ProteinProtein
Right Choice Solutions® 14 Cube is a cubed feed with 14% protein intended for horses in work and at maintenance. It provides protein from alfalfa meal and extruded soybeans.
Solutions 14 Low Starch Pellet (Right Choice)
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Solutions 14 Low Starch is a pelleted complete feed that contains 14% protein and 7% fat. It is formulated for working and maintenance horses and is marketed as a low NSC feed.
Solutions 14 Pellet (Right Choice)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Solutions 14 Pellet is a complete feed with 14% protein and 6% fat intended for horses at maintenance or in work. It utilizes alfalfa meal and extruded soybeans for protein.
Soothe & Gain (Allen & Page)
DigestionDigestion
FiberFiber
HindgutHindgut
NutritionNutrition
Soothe & Gain from Allen & Page is a high-energy feed which is high in fibre. Soothe & Gain is intended for horses and ponies who are prone to ulcers and digestive upsets. Soothe & Gain is free from barely, molasses, alfalfa and soy.
Special 13 (Hallway Feeds)
EnergyEnergy
GrowthGrowth
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
Special 13 by Hallway Feeds is a textured sweet feed formulated with added protein, vitamins, and minerals to support the development of young horses and maintain the health of mature horses
Spectrum Choice 14% Horse – Pellet (Spectrum Feed Services)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
NutritionNutrition
Weight IssuesWeight Issues
Spectrum Choice 14% is a pelleted feed containing 14% crude protein and ~55% NSC. It is a low-fat, low-fiber product with a low feeding rate. This feed is intended for adult horses from light to heavy work.
Speed Feed (MAC)
HealthHealth
NutrientsNutrients
NutritionNutrition
PerformancePerformance
Speed Feed by MAC is a feed containing 14% protein and 4% fat, it is intended for all horse types.
Sport 14 (Banks Mill Feeds)
BroodmareBroodmare
Caloric EnergyCaloric Energy
FatFat
ProteinProtein
Banks' Sport 14 is a high-protein, high-fat textured feed intended for breeding and performance horses. It contains 16.6% NSC with energy sources including wheat middlings, oats, soybean oil, beet pulp, alfalfa meal, and cane molasses.
Sport 14 (McCauley’s)
FatFat
NutrientsNutrients
PerformancePerformance
ProteinProtein
Sport 14 from McCauley's is a pelleted horse feed. It is intended for racing or performance horses and is meant to support gut health. It is high in fat and protein.
Sport Horse Grass (Uckele)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Sport Horse Grass is a pelleted vitamin, mineral, and amino acid supplement intended for performance horses consuming a grass-based diet. This supplement is intended to support muscular function, joint/tendon maintenance, and recovery.
Sport Muesli (Havens Horsefeed)
BroodmareBroodmare
FiberFiber
NutritionNutrition
PerformancePerformance
Sport Muesli by Havens Horsefeed is a 13% protein textured feed intended for equine athletes. It contains alfalfa meal, corn flakes, oats, and flax oil as protein and energy sources.
Stability (Excel Equine Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutrientsNutrients
NutritionNutrition
Stability is a pelleted feed from Excel Equine Feeds. This feed is intended for horses in any level of work, and stage of life.
Stable MAX Performance (Elk Grove Milling)
Complete FeedComplete Feed
MareMare
PerformancePerformance
StallionStallion
Stable MAX Performance is a complete feed from Elk Grove Milling intended for performance horses, stallions, and broodmares. It provides probiotics and 14% protein.
Stable MAX Senior Lite (Elk Grove Milling)
Complete FeedComplete Feed
NutritionNutrition
ProbioticProbiotic
SeniorSenior
Stable MAX Senior Lite is a complete feed from Elk Grove Milling intended for senior horses, hard keepers, and metabolic horses. It provides probiotics and 15% protein.
Stable MAX Ultra Mate (Elk Grove Milling)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
ProbioticProbiotic
ProteinProtein
Stable MAX Ultra Mate is a complete feed from Elk Grove Milling intended for easy keepers or horses in light work. It provides probiotics and 30% protein.
Stabul 1 (Anderson Feed Co)
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
Stabul™ 1 is a low-starch (5%) and low-sugar (5%) feed intended for easy keepers and horses, ponies and mules with metabolic concerns. It is corn, oats and molasses-free.
Stabul 1 Plus (Anderson Feed Co)
ExerciseExercise
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
Weight IssuesWeight Issues
Stabul™ 1 Plus is a low-starch (5%) and low-sugar (5%) feed intended for horses that are in work or hard keepers. It is designed for horses with metabolic concerns to provide higher energy density.
Stake Horse (Woody’s Horse Nutrition)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
PerformancePerformance
Stake Horse by Woody’s Horse Nutrition is a beet-based 9% fat and 13% protein feed intended for racehorses. It is made with molasses, oats, barley, and beet pulp. This horse is intended for racehorses or performance horses.
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 (Vita Vet Labs)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Step by Vita Vet Labs is a supplement intended to support healthy hoof growth in horses.
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.
Stock Builder (Star Milling Co)
ExerciseExercise
GrowthGrowth
MuscleMuscle
ProteinProtein
Stock Builder by Star Milling Co is a high protein supplement formulated with ingredients such as soybean meal, ground cereal grains and whey. It contains a minimum of 25% protein and no added minerals and vitamins.
Strategy® Professional Formula GX (Purina Mills)
Complete FeedComplete Feed
ExerciseExercise
GrowthGrowth
HealthHealth
Strategy Professional Formula GX is a pelleted concentrate horse feed for all life stages. It provides 14% crude protein, 6% crude fat and 12.5% fiber.
Stretch Horse Pellets (West Feeds)
Caloric EnergyCaloric Energy
FatFat
GrainsGrains
ProteinProtein
Stretch Horse Pellets by West Feeds is a higher energy feed containing a minimum of 14% protein and a minimum of 6% fat content. This feed includes ingredients such as grain products, plant protein, and forage products.
Strucomix Original (Cavalor)
Complete FeedComplete Feed
FiberFiber
HerbHerb
Organic Trace MineralsOrganic Trace Minerals
Strucomix Original by Cavalor is an oat-free, corn-free and molasses-free feed for horses in maintenance to moderate work. A textured and balanced feed for horses rich in fiber and herbs.
Strucomix Senior (Cavalor)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Strucomix Senior by Cavalor is a high-fibre feed formulated with puffed and extruded grains to improve digestibility. It contains 14% protein that help support weight and muscle maintenance.
SU-PER Anti-Oxidant Powder (Gateway Products)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
SU-PER Anti-Oxidant Powder by Gateway Products is an anti-oxidant supplement anti-oxidant to support general health, energy production, and immune response for horses under stress or recovering from illness.
SU-PER B-Plex Paste (Gateway Products)
EnergyEnergy
PerformancePerformance
StressStress
VitaminsVitamins
SU-PER B-Plex Paste by Gateway Products is a performance supplement to provide more energy, increased stamina, and improved focus. It contains all of the major B-Complex vitamins together in one supplement.
SU-PER B-Plex Powder (Gateway Products)
EnergyEnergy
StaminaStamina
StressStress
VitaminsVitamins
SU-PER B-Plex Powder by Gateway Products is a performance supplement to provide more energy, increased stamina, and improved focus. It contains all of the major B-Complex vitamins together in one supplement.
SU-PER Bone Boost Powder (Gateway Products)
Bone HealthBone Health
BroodmareBroodmare
GrowthGrowth
PerformancePerformance
SU-PER Bone Boost Powder by Gateway Products is a supplement to help maintain healthy bone structure and function. It contains calcium, phosphorus, magnesium, and trace minerals designed for performance horses, broodmares and growing horses.
SU-PER Cell Builder Liquid (Gateway Products)
Blood CellsBlood Cells
CirculationCirculation
HealthHealth
VitaminsVitamins
SU-PER Cell Builder Liquid by Gateway Products is a supplement to support stamina, endurance, and blood cell health. It is a high-iron supplement that supports normal red blood cell production and helps promote healthy cells with high hemoglobin content.
SU-PER Form Pellets (Gateway Products)
HealthHealth
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
SU-PER Form Pellets by Gateway Products is a vitamin and mineral supplement that provides all the necessary nutrients. This supplement also includes additional amino acids and electrolytes and is meant for horses of all life stages.
SU-PER ImmunoBOOST Powder (Gateway Products)
AntioxidantAntioxidant
HerbHerb
ImmunityImmunity
NutrientsNutrients
SU-PER ImmunoBOOST Powder by Gateway Products is an immune supplement of anti-oxidants, vitamins and minerals, and herbal extracts. This supplement is for seniors, performance, and horses under consistent stress.
SU-PER Jug Paste (Gateway Products)
Amino AcidAmino Acid
EnergyEnergy
PerformancePerformance
VitaminsVitamins
SU-PER Jug Paste is an energy supplement meant to provide stamina, performance, and energy. This supplement offers vitamins and minerals, electrolytes, and amino acids to ensure proper nutrient levels before a race or restore balance.
SU-PER Meta-Balance Powder (Gateway Products)
Hoof HealthHoof Health
MetabolismMetabolism
Metabolic SyndromeMetabolic Syndrome
NutrientsNutrients
SU-PER Meta-Balance Powder is a supplement meant to support blood-glucose levels for healthy metabolic regulation. This supplement provides vitamins and minerals that help to maintain proper metabolism.

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