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Calcium Carbonate - Feed Ingredient

Calcium Carbonate (CaCO3) is a mineral compound derived from limestone, chalk, or marble. It is used in equine diets to supply calcium, which is essential for bone formation, muscle function, and metabolic processes.

While Calcium Carbonate is an economical supplement, its inclusion in feed formulations must be carefully balanced with other minerals, particularly phosphorus, to maintain an optimal calcium-to-phosphorus ratio. An imbalance can lead to metabolic issues and affect bone mineralization in growing horses.

The following equine feeds, supplements and products contain Calcium Carbonate 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.
Optimum Digestive Health Pellets (Mad Barn)
DigestionDigestion
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
ProbioticProbiotic
Optimum Digestive Health from Mad Barn is a probiotic and prebiotic supplement designed to support hindgut health in the horse. It helps to maintain a stable microflora and promote immune health.
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.
Visceral+ (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
UlcersUlcers
YeastYeast
Visceral+ by Mad Barn is a pelleted supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
Horse & Pony Mix (Hilight)
Easy KeeperEasy Keeper
FiberFiber
HealthHealth
NutritionNutrition
Horse & Pony Mix from Hilight is intended to be fed to horses in light work. Horse & Pony Mix contains 9% crude protein and 2.5% fat. This feed is intended to provide a slow release of energy.
Horse & Pony Nuts (Heygates Feeds)
EnergyEnergy
FiberFiber
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Horse and Pony Nuts is a high fibre feed. It is intended for horses and ponies of all ages and those in light to moderate work. It contains 11% protein, 3% fat, and 19% fibre.
Horse and Pony Cooling Cubes (Saracen Horse Feeds)
EnergyEnergy
FiberFiber
NutritionNutrition
ProteinProtein
Saracen Horse and Pony Cooling Cubes is a low-energy pelleted feed formulated for idle horses or horses in light work. Ideal for horses with sensitivities to cereal grains.
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 Care 10 Mix (Red Mills)
Competition HorsesCompetition Horses
Gut HealthGut Health
MuscleMuscle
NutritionNutrition
Horse Care 10 Mix by Red Mills is a textured horse feed intended for competition, working, and temperamental horses. This feed is meant to support muscle and gastrointestinal function.
Horse Care 14 Mix (Red Mills)
Competition HorsesCompetition Horses
Gut HealthGut Health
ImmunityImmunity
NutritionNutrition
Horse Care 14 Mix from Red Mills is intended for competition horses and temperamental horses. It is meant to support immune function, gastrointestinal and hoof health, and muscle development.
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 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.
Horse Mineral (Hoffman’s Horse Products)
DigestionDigestion
HealthHealth
Mineral BalanceMineral Balance
VitaminsVitamins
Hoffman's Horse Mineral is an equine mineral and vitamin supplement primarily intended for free-choice feeding large herds. It does not contain sugars, grains, or added starches.
Horse Munch (Bartlett Milling) [Discontinued]
Caloric EnergyCaloric Energy
Easy KeeperEasy Keeper
FlavorFlavor
Ration BalancerRation Balancer
Bartlett Horse Munch is a pelleted feed containing added molasses. It is formulated for horses at maintenance or easy keepers with 15% fibre, 14% protein, and 3.5% fat.
Horse Nugget (Alfa Force Equine)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
NutritionNutrition
Horse Nugget by Alfa Force Equine is a pelleted feed intended for all classes of horses.
Horse Pellet 110 Plus (Bartlett Milling) [Discontinued]
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
ProteinProtein
Horse Pellet 110 Plus is an 11% protein and 5% fat complete feed with added lysine and methionine. Energy sources include wheat middlings, ground corn, soybean hulls, and alfalfa meal.
Horse PLUS (Modesto Milling)
Caloric EnergyCaloric Energy
GrainsGrains
NutritionNutrition
ProteinProtein
Horse PLUS by Modesto Milling is a textured horse feed made using mostly organic ingredients. This feed contains grains, alfalfa, coconut meal, sunflower seeds, carrot pellets, flaxseed as well as added vitamins and minerals. It provides 12% crude protein, 4.5% fat and 13% crude fiber.
Horse Plus (Thrive Essential)
Mineral BalanceMineral Balance
PrebioticPrebiotic
ProbioticProbiotic
ProteinProtein
Horse Plus by Thrive Essential is a powdered daily vitamin and mineral supplement intended for all classes of horses. It is high in protein, and contains pre- and probiotics although the concentration is not disclosed.
Horse Power (Lakeland Feeds)
FiberFiber
HealthHealth
NutrientsNutrients
NutritionNutrition
Horse Power from Lakeland Feeds is a pelleted equine feed formulated with flax and rice bran. Horse Power is intended to aid in joint, hoof and coat health in horses of various life stages and work levels.
Horse Senior Pellets (Modesto Milling)
Caloric EnergyCaloric Energy
GrainsGrains
ProteinProtein
SeniorSenior
Horse Senior Pellets by Modesto Milling is a concentrate feed that provides supplemental energy, vitamins, and minerals with mainly organic ingredients. The pellets contain 14% crude protein, 7.2% fat and 13.5% crude fiber.
Horse Supplement Pellets (Modesto Milling)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Modesto Milling Horse Supplement Pellets is a pelleted source of energy, protein, vitamins, and minerals that can be added to a horse ration. The pellets are made with organic oats, alfalfa, coconut meal, and sesame meal.
Horse Tub (Agassiz Feeds)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Horse Tub by Agassiz Feeds is a molasses-based protein, energy, mineral, and vitamin lick. It is designed for free-choice use and contains a minimum of 14% crude protein.
Horse-Manna Performance Supplement (Manna Pro)
Caloric EnergyCaloric Energy
DigestionDigestion
PerformancePerformance
ProteinProtein
Horse-Manna Performance Supplement is intended to supplement energy and protein in an equine ration. It contains soybean meal, corn, hominy, oatmeal, whey, and linseed meal.
Horse-Manna Vitality Supplement (Manna Pro)
Coat QualityCoat Quality
FatFat
ProteinProtein
YeastYeast
Horse-Manna Vitality Supplement contains soybean meal, flaxseed, whey, and alfalfa meal to add protein to the equine ration. It also provides some minerals and vitamins.
Horseman’s Elite Horse/Mare Cubes (Bluebonnet Feeds)
BroodmareBroodmare
FiberFiber
FoalFoal
GrowthGrowth
Horseman's Elite Horse/Mare Cubes from Bluebonnet is a pasture supplement intended for broodmares. It comes in a 3/4" cube format and contains organic minerals.
Horseman’s Elite Mare & Foal Nugget (Bluebonnet Feeds)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutrientsNutrients
Horseman's Elite Mare & Foal Nuggets from Bluebonnet is a pelleted feed intended for pregnant, lactating, and growing horses. It provides 16% crude protein and contains soybean oil for added calories.
Horseman’s Elite Pelleted (Bluebonnet Feeds)
GrainsGrains
NutrientsNutrients
PerformancePerformance
ProbioticProbiotic
Horseman's Elite Pelleted feed from Bluebonnet Feed is intended for horses of all life stages and exercise levels. It contains 14% crude protein, added fat from soybeans, organic minerals, and biotin.
Horseman’s Elite Performance Race Track (Bluebonnet Feeds)
Caloric EnergyCaloric Energy
GrainsGrains
NutrientsNutrients
PerformancePerformance
Horseman's Elite Performance Race Track from Bluebonnet is a textured feed intended for performance horses with very high energy needs such as race horses. It contains whole oats, molasses, cracked corn, and soybean oil for added energy.
Horseman’s Elite Ultra Fat (Bluebonnet Feeds)
Caloric EnergyCaloric Energy
NutrientsNutrients
PerformancePerformance
ProbioticProbiotic
Horseman's Elite Ultra Fat from Bluebonnet Feeds is a pelleted feed intended for horses at all life stages. This feed contains added soybean oil as a source of fat. It supplies 10% protein, 10% fat, and 18% fibre.
Horseshoer’s Secret Concentrate (Farnam)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Omega 3-6-9Omega 3-6-9
Horseshoer's Secret Concentrate is a pelleted hoof supplement that provides 25 mg of biotin per 2 oz serving. It also provides minerals, amino acids, yeast cultures and essential fatty acids.
Horseshoer’s Secret Extra Strength (Farnam)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Organic Trace MineralsOrganic Trace Minerals
Horseshoer's Secret Extra Strength is an equine supplement intended to support hoof and connective tissue. It contains amino acids, minerals, biotin, yeast and other ingredients.
Horseshoer’s Secret Pellet (Farnam)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Horseshoer's Secret Pellet by Farnam is a pelleted hoof supplement that contains 15 mg of biotin per serving. This supplement also contains protein, minerals, and amino acids to help prevent cracked hooves and strengthen hoof walls.
Horseshoer’s Secret Pelleted Hoof Supplement (Farnam)
Amino AcidAmino Acid
Hoof HealthHoof Health
NutrientsNutrients
YeastYeast
Horseshoer's Secret is a pelleted hoof supplement for horses that provides 15 mg biotin, 96 mg copper, 288 mg zinc, and 2.7 grams methionine per 6 ounce serving.
HS-35 Horse Supplement (Optimin)
Amino AcidAmino Acid
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
HS-35 Horse Supplement is a loose vitamin-mineral supplement in a soybean and flaxseed base. It is formulated with both organic and inorganic minerals, yeast, and lactic acid bacteria as a probiotic.
Hubbard Horse Mineral (Hubbard Feeds)
Bone HealthBone Health
GrowthGrowth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Hubbard Horse Mineral is a vitamin and mineral premix with a 1.2:1 calcium to phosphorus ratio designed to balance alfalfa-mixed forages. It provides organic trace minerals as well as vitamins needed to balance a forage-only diet or mixed grain ration.
Hydraid (Natural Horse Vet)
ElectrolyteElectrolyte
HydrationHydration
RecoveryRecovery
StaminaStamina
Hydraid by Natural Horse Vet is a powdered supplement intended for performance horses to supply the electrolytes lost during competition. It contains dicalcium phosphate, calcium carbonate, and crushed mineral rock salt.
Ignite – 30% High Fat Supplement (Running Horse)
Coat QualityCoat Quality
EnergyEnergy
FatFat
Weight IssuesWeight Issues
Running Horse Ignite is a 30% fat supplement formulated with rice bran, vegetable oil and flaxseed. It can be used for weight gain and improving coat condition or as a top dressing to increase energy content in the diet.
Impact All Stages 12% Pelleted (Purina)
EnergyEnergy
FatFat
NutritionNutrition
ProteinProtein
Impact All Stages 12% Pelleted is a concentrate feed intended for horses at any life stage. It provides vitamin and mineral fortification, added amino acids and vegetable oils.
Impact All Stages 12% Textured (Purina)
EnergyEnergy
FatFat
NutritionNutrition
ProteinProtein
Impact All Stages 12% Textured is a concentrate feed intended for horses at any life stage. It is designed to provide vitamin and mineral fortification, added amino acids and vegetable oils.
Impact All Stages 14% Pelleted (Purina)
EnergyEnergy
FatFat
NutritionNutrition
ProteinProtein
Impact All Stages 14% Pelleted is a concentrate feed intended for horses at any life stage. It is designed to provide higher amino acid content to support the needs of horses with higher protein requirements.
Impact All Stages 14% Textured (Purina)
EnergyEnergy
FatFat
NutritionNutrition
ProteinProtein
Impact All Stages 14% Textured is a concentrate feed intended for horses at any life stage. It is designed to provide higher amino acid content to support the needs of horses with higher protein requirements.
Impact Hay Stretcher (Purina)
FiberFiber
Hay StretcherHay Stretcher
NutrientsNutrients
NutritionNutrition
Purina® Impact® Hay Stretcher is a pelleted complete horse feed that can be used as a replacement for forage when hay quality is inconsistent. It is formulated with high fibre roughage, and added vitamins and minerals.
Impact Mature Active Pelleted (Purina)
EnergyEnergy
ExerciseExercise
FatFat
NutrientsNutrients
Purina® Impact® Mature Active Pelleted is a concentrate horse feed intended for active adult pleasure horses. It is designed to provide a moderate calorie density with added fats.
Impact Mature Active Textured (Purina)
EnergyEnergy
ExerciseExercise
FatFat
NutrientsNutrients
Purina® Impact® Mature Active Textured is a concentrate horse feed intended for active horses on high quality forage. It contains added fat sources and beet pulp.
Impact Professional Mare & Foal (Purina)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Purina® Impact® Professional Mare & Foal is a horse feed targeted towards breeding mares and growing foals. This pelleted concentrate is formulated with 16% protein and 6% fat to meet developmental needs.
Impact Professional Performance (Purina)
Competition HorsesCompetition Horses
EnergyEnergy
ExerciseExercise
PerformancePerformance
Impact Professional Performance is a complete feed intended for performance horses that provides 14% protein, 8% fat and less than 17.5% NSC. It is formulated with Purina Outlast which buffers stomach acid.
Impact Professional Senior (Purina)
Complete FeedComplete Feed
DigestionDigestion
NutritionNutrition
SeniorSenior
Purina® Impact® Professional Senior is a pelleted complete feed intended for senior horses with forage built in to replace hay or pasture. It contains added fat and highly digestible fibre sources.
Improver Conditioning Cubes (Hilight)
Coat QualityCoat Quality
NutritionNutrition
ToplineTopline
Weight IssuesWeight Issues
Improver Conditioning Cubes from Hilight are intended to promote weight gain in horses. Improver Conditioning Cubes contain 12% crude protein and 10% crude fibre. This feed is intended to improve top-line and coat quality.
Improver Conditioning Mix (Hilight)
HealthHealth
ImmunityImmunity
NutritionNutrition
Weight IssuesWeight Issues
Improver Conditioning Mix from Hilight is intended to provide horses with additional calories who may require additional body condition. This feed contains 5.5% fat and 13% crude protein.
In The Pink Powder (NAF Equine)
DigestionDigestion
Gut HealthGut Health
HindgutHindgut
YeastYeast
In The Pink Powder from NAF Equine is intended for horses and ponies in light to heavy work. This supplement is meant to support overall digestive and gut health.
In The Pink Senior (NAF Equine)
DigestionDigestion
Gut HealthGut Health
SeniorSenior
YeastYeast
In The Pink Senior from NAF Equine is intended for senior horses and ponies. This supplement is meant to support overall gut health.
Infinity (Daily Dose Equine)
FatFat
FiberFiber
Grain FreeGrain Free
NutrientsNutrients
Infinity by Daily Dose Equine is a granular, grain-free feed designed for performance horses. It is specifically formulated for horses with common feed allergies and sensitivities.

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