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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.
Trail Mix (Running Horse Elite Equine Nutrition)
Complete FeedComplete Feed
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
Running Horse Trail Mix is a concentrated feed containing high fiber, vitamins, minerals, and 12% protein. This feed targets adult horses that are inactive or performing light work.
Trail Time (McCauley’s Equine Formulas)
Complete FeedComplete Feed
Feed EfficiencyFeed Efficiency
Gut HealthGut Health
HealthHealth
Trail Time® is an oat-based textured feed targeted at adult horses at maintenance or in light work. It provides a lower energy density and fat content than other McCauley feeds.
Trainers 12% (Quality Feeds)
Easy KeeperEasy Keeper
GrainsGrains
HealthHealth
NutrientsNutrients
Trainers 12% by Quality Feeds is a complete textured sweet feed intended to support horses at maintenance and in light to moderate work.
Training Formula (Triple Crown) – [Discontinued]
EnergyEnergy
ExerciseExercise
FatFat
PerformancePerformance
Triple Crown Training Formula is now a discontinued feed which was a high-calorie, high-fat feed designed to meet the energy requirements of exercising horses. Energy sources included oats, molasses, soybeans, beet pulp, alfalfa and wheat middlings.
Triacton (Kentucky Equine Research)
Bone HealthBone Health
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
Triacton from KER is a pelleted supplement intended to support bone and digestive health. This supplement contains minerals and vitamins intended to support gastrointestinal functions and bone density.
Tribute Ultra (Tribute)
ExerciseExercise
FatFat
NutrientsNutrients
Weight IssuesWeight Issues
Tribute Ultra is intended for hard keepers and horses and ponies in heavy work. This feed is meant to support weight gain and performance with its 12% fat and 12% protein formula.
Trifecta (Buckeye) – [Discontinued]
Complete FeedComplete Feed
FlavorFlavor
NutritionNutrition
PerformancePerformance
Buckeye TRIFECTA™ Sweet Pelleted Feed is a palatable and calorie-dense feed containing cane molasses to increase intake. TRIFECTA™ is intended for performance horses with higher energy demands.
Trifiber Compete (Excel Equine Feeds)
Caloric EnergyCaloric Energy
Low NSC FeedsLow NSC Feeds
PerformancePerformance
Weight IssuesWeight Issues
Trifiber Compete from Excel Equine Feeds is meant for performance horses and has a low NSC content. It is a safe source of calories with fat and fiber. It is made to be beneficial to horses prone to metabolic conditions and horses with weight issues.
Triformance (McCauley’s Equine Formulas)
Caloric EnergyCaloric Energy
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Triformance® is a textured feed targeted to performance horses, including racehorses and eventers. It has high energy and fat content and provides higher levels of antioxidant nutrients such as Vitamin E.
TriMAREster (Dunstan)
BroodmareBroodmare
Mineral BalanceMineral Balance
Ration BalancerRation Balancer
VitaminsVitamins
TriMAREster by Dunstan is a vitamin and mineral concentrated pellet intended to meet the nutrient requirements for mares during the last trimester. It is intended to be feed to mares that maintain body condition on pasture alone.
Triple Play (Equi-lete)
Gut HealthGut Health
HealthHealth
PerformancePerformance
Weight IssuesWeight Issues
Triple Play by Equi-lete is a vitamin and mineral supplement intended to support gastric health, performance and body condition in hard keepers, performance horses and breeding stock.
Triplify (Excel Equine Feeds)
Competition HorsesCompetition Horses
HealthHealth
NutritionNutrition
PerformancePerformance
Triplify is a textured feed from Excel Equine Feeds. Triplify is intended for horses in moderate to heavy work, and contains 10% protein and 10% fat.
Triumph 12-8 Horse Feed (Nutrena)
MareMare
Mineral BalanceMineral Balance
PerformancePerformance
VitaminsVitamins
Triumph 12-8 Horse Feed by Nutrena is a feed that is intended for mares, breeding horses, maintenance, and performance horses. It has 12% protein, 12% fiber, and 8% fat.
Triumph Active 12 Pellet (Nutrena)
HealthHealth
MuscleMuscle
NutritionNutrition
RecoveryRecovery
Nutrena Triumph® Active 12 Pellet is an 18% NSC feed intended for active mature horses. It contains added methionine and lysine which are meant to support muscle development.
Triumph Complete (Nutrena)
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Triumph Complete is a high-fibre, moderate protein and low-fat complete feed formulated with 22% NSC. It is formulated as a hay stretcher that can be used to replace portions of forage.
Triumph Fiber Plus (Nutrena)
DigestionDigestion
EnergyEnergy
FiberFiber
NutritionNutrition
Triumph Fiber Plus is a high fat and fibre complete feed providing 12% protein, 10% fat and 17% NSC. Triumph Fiber Plus is formulated for mature horses of all exercise levels.
Triumph Professional (Nutrena)
Complete FeedComplete Feed
EnergyEnergy
NutritionNutrition
ProteinProtein
Triumph Professional is a pelleted complete feed formulated for a variety of life stages. It provides 14% protein, 8% fat and 17% NSC.
Triumph Professional Pellet Horse Feed (Nutrena)
Complete FeedComplete Feed
FiberFiber
MuscleMuscle
NutritionNutrition
Triumph Professional is a pelleted complete feed that provides 14% protein, 8% fat and less than 17% NSC. It is formulated for a large variety of horses such as broodmares, foals, performance horses, and horses at maintenance.
Triumph Professional Textured 14% Horse Feed (Nutrena)
DigestionDigestion
HealthHealth
Hoof HealthHoof Health
ToplineTopline
Triumph Professional Textured Horse Feed is a concentrate feed for horses of all ages and work levels. It supplies 14% crude protein, 8% crude fat, and 33% sugar and starch.
Triumph Senior Horse Feed (Nutrena)
Complete FeedComplete Feed
Gut HealthGut Health
SeniorSenior
ToplineTopline
Triumph® Senior Horse Feed is a complete feed intended for older horses providing 14% protein, 7% fat and 21% NSC (sugar and starch).
Tru Breed (Hygain)
AntioxidantAntioxidant
BroodmareBroodmare
DigestionDigestion
GrowthGrowth
Tru Breed by Hygain is a soy-free extruded feed intended for breeding and growing horses.
Tru Care (Hygain)
DigestionDigestion
NutrientsNutrients
NutritionNutrition
SeniorSenior
Tru Care from Hygain is an extruded feed intended for horses requiring extra calories, such as senior horses. Tru Care contains glucosamine intended to support joint health.
Tru Gain (Hygain)
Competition HorsesCompetition Horses
HealthHealth
NutritionNutrition
Weight IssuesWeight Issues
Tru Gain is an extruded fat supplement for horses. This pelleted supplement contains added vitamin E and selenium. Tru Gain is intended for performance horses and horses who require additional calories.
TruCare EQ – Top Dress Trace Mineral Blend (ZinPro) [Discontinued]
Amino AcidAmino Acid
Mineral BalanceMineral Balance
NutritionNutrition
Organic Trace MineralsOrganic Trace Minerals
TruCare EQ is an equine amino acid and mineral supplement by ZinPro. It contains organic minerals and the amino acids lysine and methionine.
Tuffoal (TRM)
DigestionDigestion
FoalFoal
GrowthGrowth
Gut HealthGut Health
Tuffoal from TRM is a liquid supplement which supports normal gut motility in growing and adult horses. Tuffoal contains kaolinitic clay and pectin for gut motility, as well as fructo - oligosaccharides to stimulate the gastrointestinal tract.
Turbo Mag BCAA (Stride Animal Health)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
ExerciseExercise
HealthHealth
Turbo Mag BCAA from Stride Animal Health is a powdered electrolyte for horses. Turbo Mag BCAA is intended to support hydration levels and replace lost electrolytes.
Turbo Racing (Mitavite)
EnergyEnergy
Gut HealthGut Health
NutritionNutrition
PerformancePerformance
Turbo Racing by Mitavite is a high energy feed intended to support the training, performance and recovery of high performance horses.
Turmash (Bluegrass Horse Feed)
AntioxidantAntioxidant
FiberFiber
ImmunityImmunity
PerformancePerformance
Turmash is a high fibre mash intended for horses and ponies needing to gain weight or better their condition. It contains turmeric which is meant to support anti-inflammatory responses and antioxidant properties.
Twilight Years Mix (Heygates Feeds)
DigestionDigestion
NutritionNutrition
SeniorSenior
Weight IssuesWeight Issues
Twilight Years Mix is a coarse mix intended for senior horses. It is meant to help maintain condition and support digestion.
Tye-Cal Max (Basic Equine Nutrition)
HealthHealth
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Tye-Cal Max from Basic Equine Nutrition is an additive that is meant to assist in the relaxation of muscles in horses and to help prevent tying-up. It is a powdered supplement containing calcium, vitamins, and other minerals.
U-Balance Foundation (Uckele)
FiberFiber
Mineral BalanceMineral Balance
ProteinProtein
VitaminsVitamins
Uckele U-Balance Foundation is a pelleted vitamin, mineral, and amino acid supplement for horses. It is intended to balance the diet without adding significant calories. This supplement can also supports sugar metabolism.
U-Gard Pellets (MannaPro)
DigestionDigestion
Gut HealthGut Health
HerbHerb
UlcersUlcers
U-Gard® Pellets is a gut health supplement for performance horses with gastric ulcers. It contains calcium and magnesium which can buffer stomach acid to increase gastric pH.
Ulc-R-Aid (AniMed)
Gut HealthGut Health
ImmunityImmunity
Mineral BalanceMineral Balance
UlcersUlcers
Ulc-R-Aid from AniMed is a powdered supplement that is supposed to support horses prone to gastric ulcers. It aids in immune function and contains Colostrashield.
Ulca Fiber (Spillers Feeds)
FatFat
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
PerformancePerformance
UlcersUlcers
Ulca Fiber from Spillers Feed is a low NSC, high fat, and high protein feed. This feed is intended to be fed to performance horses prone to ulcers.
Ulca Power Cubes (Spillers Feeds)
Caloric EnergyCaloric Energy
PerformancePerformance
RespiratoryRespiratory
UlcersUlcers
Ulca Power Cubes from Spillers Feed is high in energy and low in starch, making this feed ideal for performance horses prone to gastric ulcers. This feed contains Vitamin C to support the respiratory system and Lysine, which supports muscle development and performance.
ULS-Gard Pellets (Equine America)
DigestionDigestion
Gut HealthGut Health
NutrientsNutrients
ProbioticProbiotic
ULS-Gard Pellets from Equine America is a stomach and gastrointestinal tract supplement. It is meant to support normal pH, proper function and contains pro- and prebiotics.
Ulsus (Peak Performance Nutrients)
DigestionDigestion
Gut HealthGut Health
NutrientsNutrients
UlcersUlcers
Ulsus by Peak Performance Nutrients is a powdered gut supplement designed for horses with low hay intake, stall bound and fed processed feeds. It intends to support normal acid production and mucus production.
Ultimate (Doctor’s Choice Supplements)
Amino AcidAmino Acid
Metabolic SyndromeMetabolic Syndrome
Omega 3-6-9Omega 3-6-9
Ration BalancerRation Balancer
Ultimate by Doctor's Choice Supplements is a ration balancer intended for horses on pasture of forage. It contains high levels of calcium, thiamine and the first limiting amino acid lysine.
Ultimate (Greenline)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Greenline Ultimate is an equine vitamin, trace mineral, and amino acid supplement intended for everyday use. It provides Vitamin A, Vitamin D3, Pantothenic Acid, Folic Acid, Thiamine (B1), Vitamin B12, Choline, Cobalt, Vitamin E, Riboflavin (B2), Niacin, Pyridoxine, Biotin, and Iron.
Ultimate Balancer (Dodson & Horrell)
AntioxidantAntioxidant
Hoof HealthHoof Health
Ration BalancerRation Balancer
YeastYeast
Ultimate Balancer by Dodson & Horrell is a low-calorie ration balancer with the added benefits of hoof support and digestive support. This supplemental feed includes ingredients such as vitamin and mineral premix, yeast, and herbs added for antioxidants.
ULTIMATE FINISH 25 (BUCKEYE Nutrition)
FatFat
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
Weight IssuesWeight Issues
Ultimate Finish 25 is a high-fat (25%) supplement intended for use as a top-dressing to add energy to the diet for working horses or horses that need to gain weight gain. It is formulated with soybeans, flaxseed, and rice bran.
Ultimate Finish 40 (Buckeye)
EnergyEnergy
FatFat
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
Buckeye Ultimate Finish 40 is a pelleted horse supplement providing 40% fat, which can support weight gain. It is formulated to be calorically dense with limited grain content.
Ultimate Finish SRB+ (Buckeye)
Coat QualityCoat Quality
FatFat
Omega 3-6-9Omega 3-6-9
Weight IssuesWeight Issues
Buckeye Ultimate Finish SRB+ is an extruded fat supplement containing stabilized rice bran and milled flaxseed. It is intended to add calorie density to the diet, which can support performance, weight management, and skin and coat quality.
Ultimate Recovery (Buckeye)
Amino AcidAmino Acid
Competition HorsesCompetition Horses
ExerciseExercise
RecoveryRecovery
Buckeye Ultimate Recovery is an extruded performance horse supplement containing added fats and branched-chain amino acids to support muscle and tissue recovery. This supplement also contains electrolytes to aid in rehydration.
Ultium Gastric Care (Purina)
Competition HorsesCompetition Horses
Gut HealthGut Health
StressStress
UlcersUlcers
Purina® Ultium® Gastric Care is a concentrate feed intended for performance horses to support gastric and hindgut health. It provides digestible fibres from beet pulp, alfalfa and soy hulls.
Ultium Growth Formula (Purina)
BroodmareBroodmare
Complete FeedComplete Feed
GrowthGrowth
LactationLactation
Purina Ultium® Growth Formula is a concentrate feed intended for breeding and growing horses. It provides 9.5% fat with added amino acids to support development.
Ultium® Competition Horse Formula (Purina Mills)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Ultium Competition Horse Formula is a pelleted horse feed designed to support horses in competition. It is a high-fat, high-fibre ration that contains 12% protein.
Ultra Bloom (Seminole)
FatFat
GrowthGrowth
PerformancePerformance
Weight IssuesWeight Issues
Seminole Ultra Bloom is an extruded fat supplement containing stabilized rice bran. This feed is calorie dense to support growing, breeding, show and performance horses.
Ultra Complete (Tribute)
EnergyEnergy
FatFat
PerformancePerformance
Weight IssuesWeight Issues
Ultra Complete is a high-fat and fibre textured feed formulated for adult horses in heavy work, such as racehorses in training. It is made with beet pulp, molasses, whole oats and soybeans.
Ultra Dynamix (Seminole)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Organic Trace MineralsOrganic Trace Minerals
ProteinProtein
Seminole Ultra Dynamix™ is a high-calorie pelleted horse feed for growing, breeding and performance horses. It contains oats, corn, digestible fibers, soybean oil and stabilized rice bran.

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