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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.
Kentucky Lite E (Havens Horsefeed)
Caloric EnergyCaloric Energy
ExerciseExercise
FatFat
VitaminsVitamins
Kentucky Lite E is a high-energy, grain-based feed providing 61% carbohydrates for performance horses. Ingredients include oats, barley, corn, and wheat. This feed supplies 400mg of Vitamin E to support muscle condition.
KER Stud Balancer (Barastoc)
GrowthGrowth
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
This feed balancer contains vitamins and minerals that is meant to assist breeding and growing horses. It can also help with hoof health and immunity.
Knoblizem (St.Hippolyt)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
SeniorSenior
Knoblizem by St.Hippolyt is a pelleted supplement containing garlic. It is intended to support digestive function in senior horses and horses not performing well.
Koolspeed (MAC)
Gut HealthGut Health
NutritionNutrition
PerformancePerformance
UlcersUlcers
KoolSpeed Equine Performance Feed is a feed targeted to performance equine athletes to reduce the incidence of ulcers. It is formulated with digestible forage and fiber sources and is intended to slow down the rate of consumption.
KoolSpeed Collection Performance Ration (MAC)
EnergyEnergy
Gut HealthGut Health
HealthHealth
PerformancePerformance
KoolSpeed Collection Performance Ration by MAC is a feed intended to help minimize incidences and/or severity of gastric ulcers in horses.
KoolSpeed Low Starch (MAC)
CalmingCalming
EnergyEnergy
NutrientsNutrients
NutritionNutrition
KoolSpeed Low Starch by MAC is a low starch feed intended to promote calmness in horses without losing energy.
KoolSpeed Mare & Foal (MAC)
Bone HealthBone Health
BroodmareBroodmare
FoalFoal
GrowthGrowth
KoolSpeed Mare & Foal by MAC is a feed intended to support foal growth and development.
KoolSpeed Plus (MAC)
Competition HorsesCompetition Horses
EnergyEnergy
NutritionNutrition
PerformancePerformance
KoolSpeed Plus by MAC is a feed intended to minimize incidences and/or severity of gastric ulcers. It is intended to be used in horses undergoing heavy exercise.
Krunch Cubes (Masterfeeds)
Caloric EnergyCaloric Energy
GrowthGrowth
ToplineTopline
Weight IssuesWeight Issues
Masterfeeds Krunch is an equine feed that comes in cube form. Krunch is used as a treat or to add calories and protein to the diet for horses that need to gain weight and improve topline.
Lami Light Feed Balancer (Blue Chip Feed)
AntioxidantAntioxidant
Hoof HealthHoof Health
Ration BalancerRation Balancer
RespiratoryRespiratory
Lami Light Feed Balancer from Blue Chip Feed contains biotin to support hoof health, antioxidants to support immunity, and garlic to support the respiratory system. This balancer is intended for all horses and ponies.
Lamina Formula (Life Data)
FiberFiber
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Lamina Formula by Life Labs is intended to support the laminae of horses with acute or chronic laminitis. It provides protein, vitamins and minerals to support hoof health.
Laminaze (NAF Equine)
HealthHealth
Hoof HealthHoof Health
JointsJoints
NutrientsNutrients
Laminaze by NAF Equine is a powdered joint supplement that contains mint, ginger, and magnesium oxide. It intends to provide gut support and maintain hoof health.
Large Alfalfa Bermuda Pellets (DuMOR)
FiberFiber
ForageForage
Gut HealthGut Health
ProteinProtein
Large Alfalfa Bermuda Pellets by DuMor are forage pellets for horses at maintenance or in work. Alfalfa supports digestive health and is a source of protein and calcium.
Leading Edge – Textured (Brooks)
AntioxidantAntioxidant
Competition HorsesCompetition Horses
PerformancePerformance
PrebioticPrebiotic
Leading Edge - Textured by Brooks is a feed and is intended for horses in competition or training.
Leading Edge (Manna Pro)
Complete FeedComplete Feed
FoalFoal
GrowthGrowth
ProteinProtein
Leading Edge by Manna Pro is an equine feed intended for all classes of horses. It contains 14% crude protein and 6% crude fat from sources such as wheat middlings, corn, soy hulls, and vegetable oil.
Legacy 16% Mare & Foal Ration (CO-OP)
FoalFoal
GrowthGrowth
LactationLactation
MareMare
Legacy 16% Mare & Foal Ration is a higher-protein feed intended for broodmares and growing foals. These horses benefit from higher levels of amino acids in the diet.
Legend (Barastoc)
Gut HealthGut Health
HealthHealth
NutrientsNutrients
Weight IssuesWeight Issues
Legend from Barastoc is a feed that is oat free. It is low in starch and it can contribute to weight gain and body condition. It is meant to help with gut health and provides minerals and vitamins.
Leisure (Seminole) – [Discontinued]
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
SeniorSenior
Seminole Leisure is a now-discontinued pelleted feed for mature horses. It provided 11% protein, 3% fat and 22% crude fiber.
Leisure Mix (Red Mills)
Complete FeedComplete Feed
Coat QualityCoat Quality
Easy KeeperEasy Keeper
ExerciseExercise
Leisure Mix from Red Mills is an oat-free feed intended for leisure horses in light to moderate work. This feed is designed to support performance, coat and skin condition, and a balanced temperament.
Level Out (Excel Equine Feeds)
DigestionDigestion
NutrientsNutrients
PrebioticPrebiotic
ProbioticProbiotic
Level Out by Excel Equine Feeds is a pelleted horse treat intended to support the digestive health of horses.
Life Time Balancer (Capstone Horse Feed)
HealthHealth
NutrientsNutrients
ProteinProtein
Ration BalancerRation Balancer
Life Time Balancer by Capstone Horse Feed is a pelleted balancer supplement intended for all horse types.
Lifeforce Elite Performance (Alltech)
JointsJoints
PerformancePerformance
RecoveryRecovery
StressStress
LifeForce Elite Performance by Alltech is a powdered supplement intended to support complete wellness in performance horses.
Limestone Dolomite Magnesium
Bone HealthBone Health
GrowthGrowth
IngredientIngredient
MuscleMuscle
Dolomite is a type of limestone that contains equal parts magnesium carbonate and calcium carbonate. Dolomite is added to equine diets to support bone health, muscle function and metabolism.
Limestone Flour
Bone HealthBone Health
GrowthGrowth
Mineral BalanceMineral Balance
NutrientsNutrients
Limestone Flour provides a source of calcium in horse feeds. This mineral can support milk production in lactating mares, bone and tissue growth, muscle contractions and nerve impulse transmission. Calcium must be fed in a balanced ratio to phosphorus.
Limestone Flour (NAF Equine)
Limestone Flour from NAF Equine is meant to support bone growth and muscle function. This supplement is intended for all growing horses and ponies.
Limestone Ground
Bone HealthBone Health
GrowthGrowth
IngredientIngredient
MuscleMuscle
Limestone is an excellent source of calcium commonly used in livestock supplements and feeds. It may be beneficial if your horse has a suboptimal calcium-phosphorous ratio or if the diet is not supplying enough calcium.
Limited (Bluebonnet Feeds)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
Limited by Bluebonnet is a ration balancer containing no soy, corn, wheat, oats, molasses, beet pulp, flax or cottonseed. It is intended for sensitive or allergy-prone horses.
Liqui Lyte (Uckele)
ElectrolyteElectrolyte
ExerciseExercise
HydrationHydration
RecoveryRecovery
Liqui Lyte is a liquid electrolyte supplement that supplies calcium, sodium, chloride, and magnesium lost in sweat. It utilizes maltodextrin as a simple sugar to increase electrolyte absorption.
Lite (Triple Crown)
FiberFiber
HealthHealth
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
Triple Crown Lite is a palatable, low-calorie, high-fiber pellet fortified with vitamins and minerals. This feed is intended for horses or ponies prone to laminitis and insulin resistance and tends to gain weight easily. This feed has an NSC of 9.5%.
Lite & Healthy (HoneyChop)
Easy KeeperEasy Keeper
FiberFiber
ForageForage
NutritionNutrition
Lite & Healthy from HoneyChop is a low-sugar feed intended for horses who are prone to laminitis. This feed contains 31% crude fibre and 4.7% crude protein.
Lite & Low (CFC Farm Home Center)
FiberFiber
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
Lite & Low from CFC Farm Home Center is a pelleted feed meant for maintenance horses or light work. It contains low sugar and starch.
Lite Ration Balancer (Lifeline)
BroodmareBroodmare
GrowthGrowth
LactationLactation
NutrientsNutrients
Lite Ration Balancer by Lifeline is a pelleted supplemented intended for growing horses and pregnant/lactating broodmares.
Llama Concentrate Pellet (Bar Ale)
FiberFiber
HealthHealth
NutritionNutrition
VitaminsVitamins
Llama Concentrate Pellet is a pelleted feed intended for llamas of all ages. It contains 18% protein, 2.9% fat, and 18.5% fiber.
LMF California Complete (LMF Horse Feeds)
Complete FeedComplete Feed
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
LMF California Complete is a pelleted feed formulated as an alternative to diets containing pure alfalfa hay. It contains highly digestible fibre from beet pulp, alfalfa hay and soyhulls.
LMF Gold (LMF Horse Feed)
EnergyEnergy
ExerciseExercise
Gut HealthGut Health
NutritionNutrition
LMF Gold is a high calorie textured feed intended to support performance and weight gain in horses. Additionally it provides vitamins, minerals and fibre sources.
LMF Pro-Pellet (LMF Horse Feeds)
Complete FeedComplete Feed
JointsJoints
Mineral BalanceMineral Balance
VitaminsVitamins
LMF Pro-Pellet is a textured high-fiber feed for performance horses in moderate to heavy work. It contains 12% crude protein, and 3.3% fat, along with bio-available trace minerals, organic selenium, live yeast culture, and glucosamine.
LMF Senior (LMF Horse Feeds)
Complete FeedComplete Feed
FiberFiber
JointsJoints
SeniorSenior
LMF Senior is a pelleted complete feed for aged horses. It contains ingredients to support joint and gut health.
LMF Senior Low Carb (LMF Horse Feeds)
Complete FeedComplete Feed
Grain FreeGrain Free
JointsJoints
SeniorSenior
LMF Senior Low Carb feed is a soybean- and alfalfa-based feed for mature horses. It contains 13% crude protein, 8% fat, and 8% NSC.
LMF Super Supplement G NW (LMF Horse Feeds)
Mineral BalanceMineral Balance
Omega 3-6-9Omega 3-6-9
ProteinProtein
VitaminsVitamins
LMF Super Supplement G NW is a ration balancer that contains the essential vitamins and minerals to complement a forage diet. It is a low intake balancer that includes nutrient sources such as soybean meal, barley, and wheat.
LMF Super Supplement NW A (LMF Horse Feeds)
Easy KeeperEasy Keeper
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
LMF Super Supplement is a ration balancer from LMF Horse Feeds. This feed is intended for easy keepers, and contains vitamins and minerals to balance a forage based diet.
Lobs Reward Cube (St.Hippolyt)
FlavorFlavor
HealthHealth
NutrientsNutrients
NutritionNutrition
Lobs Reward Cubes by St.Hippolyt are intended to be used as a tasty treat for all horses.
Longevity (McCauley’s Equine Formulas)
Gut HealthGut Health
SeniorSenior
StressStress
Weight IssuesWeight Issues
Longevity is a pelleted horse feed targeted to senior and stressed horses. It is designed to support body condition and gut health in senior horses.
Loose Horse Mineral GFC (Masterfeeds)
ExerciseExercise
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Masterfeeds Loose Horse Mineral GCF is a powdered mineral and vitamin supplement designed to be fed with a forage-based diet. This supplement provides nutrients required in times of stress or during periods of heavy exercise and growth.
Low ‘N Steady (Buckeye)
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
NutrientsNutrients
SeniorSenior
Low 'N Steady by Buckeye is a low NSC (8.5%) ration balancer intended for mature horses, and metabolic horses or ponies.
Low Cal Cruiser (Barastoc)
DigestionDigestion
Gut HealthGut Health
NutrientsNutrients
Weight IssuesWeight Issues
Low Cal Cruiser from Barastoc is a feed meant for horses that are resting, in light work, or who have weight issues. It has a low starch and calorie content that can also support gut health and digestive abilities.
Low GI Cube (Barastoc)
EnergyEnergy
GrowthGrowth
NutrientsNutrients
PerformancePerformance
Barastoc's Low GI Cube is a cubed feed that is low in sugar. It contains energy that can be released slowly and can be given to performance horses, breeding horses, or growing horses.
Low Molasses 12% (Brooks)
Easy KeeperEasy Keeper
NutritionNutrition
PerformancePerformance
SeniorSenior
Brooks 12% from Brooks is a textured horse feed. 12% Sweet Feed is intended for mature horses. This feed contains 12% crude protein and 4% fat.
Low Starch (Triple Crown)
Complete FeedComplete Feed
Grain FreeGrain Free
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Triple Crown Low Starch is a pelleted feed containing a lower level of 13.5% NSC. It has no corn, molasses or alfalfa meal which can cause excitability in horses.
Low Starch Horse Feed (New Country Organics)
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
NutritionNutrition
ProteinProtein
Low Starch Horse Feed by New Country Organics is a textured feed intended for easy-keepers. It contains organic grains, probiotics, prebiotics, live yeast, and enzymes meant to support hindgut health.
Low Starch Omega Plus (Equine Advantage)
Caloric EnergyCaloric Energy
FatFat
FiberFiber
NutritionNutrition
Low Starch Omega Plus is intended for horses that need moderate to significant calories added to their diet. This diet is suitable for horses with Insulin Resistance, Cushing's Disease, and PSSM due to the low NCS.

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