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Calcium - Feed Ingredient

Calcium is an essential macromineral required for numerous physiological functions in horses, including bone formation, muscle contraction, nerve transmission, and enzyme activation. It is a primary structural component of bones and teeth, with approximately 99% of the body’s calcium stored in the skeletal system.

In equine nutrition, calcium is commonly supplied through feed ingredients such as limestone (calcium carbonate) or dicalcium phosphate. It can also be added to feed formulations via high calcium feeds like alfalfa.

The following equine feeds, supplements and products contain Calcium 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.
Optimum Probiotic (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
Mad Barn's Optimum Probiotic is a pure 5-strain probiotic supplement in a powdered format. It provides 20 billion CFU per serving of L. acidophilus, L. fermentum, L. casei, L. plantarum, and L. farciminis.
Performance XL: Electrolytes (Mad Barn)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
PerformancePerformance
StaminaStamina
Performance XL: Electrolytes by Mad Barn is a scientifically formulated equine electrolyte supplement designed to support athletic performance and workout recovery. It contains an ideal blend of natural minerals and vitamins to promote hydration status and muscle function.
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.
Empower® Topline Balance® Ration Balancer (Nutrena)
Amino AcidAmino Acid
Grain FreeGrain Free
Ration BalancerRation Balancer
ToplineTopline
Nutrena Empower® Topline Balance® is a concentrated ration balancer to support topline and provide common nutrients lacking in forage. It contains 30% crude protein with added limiting amino acids.
Encompass (Hallway)
Mineral BalanceMineral Balance
NutritionNutrition
ProteinProtein
VitaminsVitamins
Encompass from Hallway Feeds is a cubed ration balancer for horses. It provides vitamins, minerals and 25% protein without significant caloric supplementation.
Endura-Max (Kentucky Performance Products)
Endura-Max from Kentucky Performance Products is a powdered electrolyte formulated specifically for endurance horses. Endura-Max is formulated to provide sodium, potassium, chloride, calcium, and magnesium. This supplement is intended to provide trace minerals lost during exercise.
Endura-Max Plus (Kentucky Performance Products)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
HealthHealth
HydrationHydration
Endura-Max Plus from Kentucky Performance Products is an oral electrolyte paste designed for endurance horses. Endura-Max Plus is intended to support quick recovery. This supplement is intended to replenish lost electrolytes.
Endurance 10 (Banks Mill Feeds)
FiberFiber
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Endurance 10 is a pelleted feed with no corn intended for mature horses and ponies. Energy sources include wheat middling, soybean hulls, cane molasses, and alfalfa meal.
Endurance 14 (Havens Horsefeed)
MuscleMuscle
NutritionNutrition
PerformancePerformance
StaminaStamina
Endurance 14 is a high-energy feed targeting endurance horses. It contains grains, oils, and antioxidants to support performance. This feed supports gastrointestinal health, muscle development and repair, and the nervous system.
Endurix (Cavalor)
EnergyEnergy
ElectrolyteElectrolyte
FatFat
PerformancePerformance
Cavalor Endurix is a feed mix meant for sport performance horses. It is a source of energy, pre- and probiotics, fat, vitamins and minerals.
Enduro-Performance (Saracen Horse Feeds)
FatFat
FiberFiber
PerformancePerformance
StaminaStamina
Enduro-Performance is ration intended for horses and ponies in need of extra conditioning and stamina during competition season.
Energex (Basic Equine Nutrition)
Amino AcidAmino Acid
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
ExerciseExercise
Energex is an electrolyte and energy supplement targeted to performance horses for use during and after exercise. It contains amino acids, antioxidants, electrolytes and dimethylglycine.
Energized Maintenance (Bluebonnet Feeds)
Complete FeedComplete Feed
GrainsGrains
Mineral BalanceMineral Balance
VitaminsVitamins
Energized Maintenance from Bluebonnet Feeds is a pelleted feed intended for maintenance horses at all life stages. This feed contains 14% crude protein, 5% crude fat, and 12% crude fibre.
Energized Performance (Bluebonnet Feeds)
GrainsGrains
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Energized Performance from Bluebonnet Feeds is a pelleted feed intended for performance horses with higher energy requirements. This feed contains 12% crude protein, 9% crude fat, and 13% crude fibre.
Energized Textured (Blue Bonnet Feeds)
GrainsGrains
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Energized Textured from Bluebonnet Feeds is a sweet texturized feed intended for adult horses at maintenance. It provides 10% crude protein, 4% crude fat, and 12% crude fibre.
Engage Cool Calorie Base (Pink Rose Organix)
Complete FeedComplete Feed
Easy KeeperEasy Keeper
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Engage Cool Calorie Base by Pink Rose Organix is a complete feed designed for adult horses in light to moderate work. It is classified as a low NSC feed and suitable for easy keepers.
Enhance 0.5 (Technique)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
NutritionNutrition
Enhance 0.5 by Technique is a non-soy pelleted feed intended to meet the nutritional needs of all horse types.
Enhancer (Brooks Feeds)
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
VitaminsVitamins
Brooks Enhancer is a low-calorie pelleted ration balancer formulated to provide vitamins and minerals required in the equine diet. It contains a mix of organic and inorganic minerals and has a low NSC content ideal for horses prone to laminitis.
Enrich Plus Ration Balancing Concentrate (Purina)
Easy KeeperEasy Keeper
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Purina Enrich Plus Ration Balancing is a concentrated, pelleted formula intended for easy keepers, growing horses, breeding stallions, and early gestation mares. It contains 32% crude protein and 15% NSC.
Enrich Plus Senior (Purina)
Complete FeedComplete Feed
DentalDental
FiberFiber
SeniorSenior
Enrich Plus Senior Ration Balancing Horse Feed by Purina is a complete pelleted feed intended for senior horses. It is to be fed in addition to forage.
Enrichment (Excel Equine)
DigestionDigestion
HealthHealth
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Enrichment by Excel Equine is a specially formulated pelleted feed designed for senior horses with chronic health conditions. It contains 26% protein, 6% fiber, and 3% fat to support their unique nutritional needs.
EQ BioClay + Paste – Maximum Strength (Full Bucket Equine)
ElectrolyteElectrolyte
Gut HealthGut Health
HealthHealth
ImmunityImmunity
EQ BioClay + Paste - Maximum Strength from Full Bucket Equine is a clay based formula that is intended to support digestive function during periods of stress. EQ BioClay + Paste - Maximum Strength contains probiotics, prebiotics, electrolytes and L-glutamine intended to support gastrointestinal function.
EQ16 Texturized (Masterfeeds)
BroodmareBroodmare
Complete FeedComplete Feed
FoalFoal
LactationLactation
Masterfeeds EQ16 Texturized is a high-calorie textured horse feed targeted to growing yearlings and pregnant or lactating mares. It provides 16% protein in a grain mix with added molasses for palatability.
EQ8 Gut Health (Buckeye)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
EQ8 Gut Health is a textured feed intended for horses in maintenance to moderate exercise. This feed provides 20% NSC and contains calcium, prebiotics, probiotics and yeast to support digestive health.
EQ8 Performance Gut Health (Buckeye)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
EQ8 Performance Gut Health is a calorie-dense extruded feed for active horses. This feed contains 20% NSC, 14% protein and 12% fat. It provides calcium, probiotics and yeast to support digestive health.
EQ8 Senior Gut Health (Buckeye)
DigestionDigestion
Gut HealthGut Health
PrebioticPrebiotic
ProbioticProbiotic
EQ8 Senior Gut Health is a multi-textured feed formulated for geriatric horses. It provides 14% protein, 10% fat and 20% NSC. It contains calcium, prebiotics, probiotics and yeast to support digestive health.
Eqceed 14 (Tucker Milling)
Complete FeedComplete Feed
FiberFiber
HealthHealth
NutritionNutrition
Eqceed 14 by Tucker Milling is a pelleted complete feed that contains 8% fat. It is formulated for working and maintenance horses and is marketed as a low starch feed.
Eqceed Ultra Senior (Tucker Milling)
Complete FeedComplete Feed
Gut HealthGut Health
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
Eqceed Ultra Senior by Tucker Milling is a textured, high-fat, low-starch feed formulated specifically for senior horses. It includes shredded beet pulp and Lactobacillus, which supports gut health, and it can served as a complete replacement for hay or pasture.
Equalizer (Seminole)
Amino AcidAmino Acid
Competition HorsesCompetition Horses
Mineral BalanceMineral Balance
VitaminsVitamins
Seminole Equalizer is a high-protein pelleted ration balancer. It contains supplemental amino acids, a blend of organic and inorganic minerals, and added vitamins.
Equerry’s Choice (Equerry’s Horse)
DigestionDigestion
Mineral BalanceMineral Balance
ProbioticProbiotic
VitaminsVitamins
Equerry's Choice is a micro-encapsulated blend of probiotics and digestive enzymes. It also contains minerals and vitamins including organic selenium. This supplement is recommended for all horses and ponies at any work level.
Equerry’s Economy Supplement
DigestionDigestion
FiberFiber
Mineral BalanceMineral Balance
ProteinProtein
Equerry's Economy Supplement is an alfalfa, wheat and oat-based gut health supplement for horses containing microencapsulated probiotics, digestive enzymes, vitamins, and minerals.
Equerry’s Plus
DigestionDigestion
Mineral BalanceMineral Balance
VitaminsVitamins
YeastYeast
Equerry's Plus is a horse supplement that provides microencapsulated probiotics and digestive enzymes. This product contains live yeast culture, chelated minerals, and vitamins. Equerry's Plus is intended for all horses and ponies.
Equi Balancer (Heygates Feeds)
Amino AcidAmino Acid
Easy KeeperEasy Keeper
JointsJoints
PerformancePerformance
Equi Balancer is a low calorie high protein ration balancer. It is intended for easy keepers, overweight horses, and those prone to laminitis. It contains 25% protein, 5% fat, and 9% fibre.
Equi-Base Grass Pellets (Uckele)
HealthHealth
MetabolismMetabolism
NutrientsNutrients
Ration BalancerRation Balancer
Equi-Base Grass Pellet is a base mineral and vitamin supplement designed to balance diets based on grass hay/forage or a 50/50 alfalfa grass forage.
Equi-Base Senior (Uckele)
HealthHealth
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Equi-Base Senior is a powdered vitamin, mineral and amino acid supplement formulated for senior horses. It contains ingredients which can support hoof, coat, immune and digestive function.
Equi-Bone Pellets (TLC Animal Nutrition)
Bone HealthBone Health
JointsJoints
NutrientsNutrients
RecoveryRecovery
Equi-Bone by TLC Animal Nutrition is a pelleted supplement intended to support bone health in all horse types.
Equi-Bone Powder (TLC Animal Nutrition)
Bone HealthBone Health
JointsJoints
NutrientsNutrients
RecoveryRecovery
Equi-Bone Powder by TLC Animal Nutrition is a powdered supplement intended to support bone health in all horse types.
Equi-Cal (Uckele)
BroodmareBroodmare
GrowthGrowth
LactationLactation
Mineral BalanceMineral Balance
Uckele Equi-Cal is a powdered calcium supplement intended for all horses and ponies. It is designed to provide a blend of calcium sources in a vegetable oil, corn, and alfalfa base. This supplement can support bone, nervous system, and muscular health.
Equi-Cal Pellets (Lifeline Premium Horse Feeds)
CalmingCalming
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Grain FreeGrain Free
Lifeline Equi Cal Horse Feed is a high calorie ration intended for performance horses with no molasses or grain. It is formulated with 12% fat, added amino acids including lysine, and yeast cultures.
Equi-Eez (Purina)
HealthHealth
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Equi-Eez is a concentrated mineral and vitamin supplement that does not contain fibre, fat or protein. It is fortified with biotin to support hoof health and coat quality.
Equi-Jewel (Bluegrass Horse Feed)
FatFat
PerformancePerformance
VitaminsVitamins
Weight IssuesWeight Issues
Equi-Jewel is a high-fat, energy-dense supplement. It is ideal for horses needing better condition, weight gain, and additional energy. This supplement supports weight gain, gut health, and bone density.
Equi-Jewel (Kentucky Performance Products)
CalmingCalming
DigestionDigestion
EnergyEnergy
MuscleMuscle
Equi-Jewel from Kentucky Performance Products is formulated with heat-stabilized rice bran. It is meant to safely provide energy to horses while aiming to reduce digestive upset and support muscle function.
Equi-Jewel (Saracen Horse Feeds)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
FatFat
Weight IssuesWeight Issues
Equi-Jewel is a supplement intended to help horse and ponies gain weight by providing additional calories.
Equi-Min Bits (Practical Equine Supplements)
FlavorFlavor
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
YeastYeast
Equi-Min Bits from Practical Equine Supplements is a vitamin and mineral pelleted supplement. It contains yeast cultures, organic trace minerals and is apple flavored.
EQUI-PRO East Coast Race (Poulin Grain)
GrainsGrains
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
EQUI-PRO East Coast Race by Poulin Grain is a textured feed intended for race horses. This feed provides high energy density from oats, beet pulp, corn, and molasses. It contains 13% protein, 8% fat, and 12% fiber.
EQUI-PRO Mare & Foal (Poulin Grain)
FoalFoal
GrowthGrowth
LactationLactation
MareMare
EQUI-PRO Mare & Foal by Poulin Grain is a textured feed intended for broodmares and growing horses. It provides 15% protein, 6% fat, and 10% fiber.
EQUI-PRO PerforMAX (Poulin Grain)
Caloric EnergyCaloric Energy
GrainsGrains
VitaminsVitamins
Weight IssuesWeight Issues
EQUI-PRO PerforMAX by Poulin Grain is a textured feed intended for performance horses requiring high energy density. It contains 12% protein, 12% fat and 12% fiber.
EQUI-PRO Premium Senior (Poulin Grain)
Mineral BalanceMineral Balance
SeniorSenior
VitaminsVitamins
Weight IssuesWeight Issues
EQUI-PRO Premium Senior by Poulin Grain is a pelleted feed intended for senior horses with digestive issues. It provides 14% protein, 6% fat, and 18% fiber.
EQUI-PRO ProMax (Poulin Grain)
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Weight IssuesWeight Issues
EQUI-PRO ProMax by Poulin Grain is a pelleted feed formulated for performance horses and hard-keepers. It provides a higher energy density and contains 12% protein, 12% fat and 12% fiber.
Equi-Senior Pellets (Minor Bros)
Gut HealthGut Health
HealthHealth
NutritionNutrition
SeniorSenior
Equi-Senior Pellets from Minor Bros is a pelleted complete feed intended for older horses. This feed contains yeast which is intended to improve digestion and absorption of nutrients.
Equi-Sentials (Agri Dynamics)
Amino AcidAmino Acid
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Equi-Sentials by Agri Dynamics is a premixed supplement that is meant to provide macro and micronutrients from kelp and prehistoric ocean deposits. It contains amino acid complexes, fat and water-soluble vitamin, and probiotics.
Equi-Shine (Doctors Choice Supplements)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Equi-Shine Pellet is a ration balancer that covers nutrient gaps in the equine diet and supports coat and hoof quality. It provides vitamins, amino acids, and a blend of organic and inorganic trace minerals.
Equi-Shine Granular (Doctor’s Choice Supplements)
HealthHealth
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Equi-Shine Granular is a ration balancer intended to provide essential vitamins and minerals that could be limited in pasture and forage. It is designed for horses and ponies of all ages and work levels.

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