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Ingredient

Calcium

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.

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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.
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 gut supplement designed to support stomach and hindgut health in horses. It helps maintain normal digestive function, supports gastric comfort, and helps maintain the immune system.
MAGvet (Hypona)
CalmingCalming
Competition HorsesCompetition Horses
Mineral BalanceMineral Balance
PerformancePerformance
MAGvet by Hypona is a calming supplement containing 98% magnesium. It is intended for all horse types and disciplines.
Maintenance Horse Feed (DuMOR)
Easy KeeperEasy Keeper
HealthHealth
ImmunityImmunity
NutritionNutrition
Maintenance Horse Feed from DuMOR is a pelleted feed intended for easy keepers. This feed contains added vitamins, minerals and probiotics intended for horses in any life stage.
Maintenance Horse Ration (Hoffman’s Horse Products)
FiberFiber
HealthHealth
Low NSC FeedsLow NSC Feeds
Ration BalancerRation Balancer
Hoffman's Maintenance Horse Ration is a pelleted feed with lower energy density for horses at maintenance or in light work. Calories are provided by soybean hulls, stabilized rice bran, wheat mill run, malt sprouts and oat hulls.
Maintenance Pellets (Ritchie Smith – Harmony)
GrowthGrowth
HealthHealth
NutritionNutrition
Weight IssuesWeight Issues
Maintenance Pellets from Ritchie Smith's Harmony is a pelleted feed intended for growing horses and horses in moderate work. This feed contains 13% crude protein and 16% crude fibre. Maintenance Pellets are intended for horses who need additional calories.
Makor (St.Hippolyt)
CalmingCalming
PerformancePerformance
RecoveryRecovery
StressStress
Makor by St.Hippolyt is a supplement high in magnesium and Vitamin E intended to support horses in intense competition and training.
Manna Senior Pellets (Manna Pro)
DigestionDigestion
Hoof HealthHoof Health
MuscleMuscle
SeniorSenior
Manna Senior Pellets by Manna Pro is a pelleted horse feed intended to support hoof health, digestion, muscle and healthy weight in senior horses.
Mare & Foal (Ace Hi Feeds)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Mare & Foal by Ace Hi Feeds is a supplemental feed intended for growing, gestating and lactating horses. It contains at least 16% protein from sources such as soybean meal, whey, and dried distillers grains.
Mare & Foal (Kelley’s Feed)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Mare & Foal by Kelley's Feed is a supplemental feed intended for growing, gestating, and lactating horses. It is a barley-based feed that contains at least 16% protein, added vitamins, and a blend of organic and inorganic minerals.
Mare & Foal (Matrix)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Mare & Foal by Matrix is a pelleted complete feed formulated for broodmares and growing foals. It provides a high level of protein (16%) and moderate fat (5%) to meet the demands of gestation and growth.
Mare & Foal (Running Horse Elite Equine Nutrition)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Running Horse Elite Mare & Foal is a high-fat feed that contains 16% protein and 9% fat from sources such as wheat middlings, rice bran, and soybean oil. This feed is targeted at pregnant, lactating, and growing horses.
Mare & Foal (Seminole)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Seminole Mare & Foal™ is a textured feed designed for foals, weanlings, and late-gestation or lactating broodmares. This oat-based feed contains corn, digestible fibre, added lysine, and chelated trace minerals.
Mare & Youngstock Concentrate (Dodson & Horrell)
BroodmareBroodmare
FoalFoal
GrowthGrowth
NutritionNutrition
Mare & Youngstock Concentrate by Dodson & Horrell is a feed designed to support the easy keeper broodmare and her foal. This feed includes vitamins and minerals and an elevated protein level to support optimal growth for the foal and maintain the mare.
Mare Cube (Excel Equine Feeds)
BroodmareBroodmare
GrowthGrowth
NutrientsNutrients
NutritionNutrition
Mare Cube by Excel Equine Feeds is a cubed feed fortified with protein, amino acids, vitamins and minerals. It is intended for broodmares and growing horses.
Mare Foal & Youngstock (NAF Equine)
BroodmareBroodmare
FoalFoal
GrowthGrowth
Mineral BalanceMineral Balance
Mare Foal & Youngstock from NAF Equine is intended for broodmares, foals, and growing horses. This supplement is intended to provide adequate vitamins and minerals to support growth.
Mare Mineral (Dunstan)
BroodmareBroodmare
ImmunityImmunity
Mineral BalanceMineral Balance
NutritionNutrition
Mare Mineral by Dunstan is a pelleted feed containing vitamins and minerals. It is intended for pregnant mares.
Mare Plus (Farnam)
BroodmareBroodmare
LactationLactation
Mineral BalanceMineral Balance
VitaminsVitamins
Farnam Mare Plus is a gestation and lactation supplement intended to provide nutrients required for gestating and lactating mares. It supplies vitamins, minerals and amino acids.
Mare Support (Pureform)
CalmingCalming
MareMare
Mineral BalanceMineral Balance
VitaminsVitamins
Mare Support is a vitamin/mineral supplement formulated for horses on a grass-based diet. It contains glucosamine and MSM for joint health, B-vitamins, organic microminerals and vitex agnus-castus (chasteberry).
Mare-Foal II-P (Pellets) (MVP)
BroodmareBroodmare
FoalFoal
Mineral BalanceMineral Balance
VitaminsVitamins
Mare-Foal II-P by MVP is a pelleted supplement designed for broodmares and foals. It contains vitamins, minerals, probiotics and an elevated protein level that intend to support proper development.
Mare’s Milk Plus (Buckeye)
EnergyEnergy
FoalFoal
NutritionNutrition
ProteinProtein
Mares Milk Plus is a powdered milk replacer for nursing, orphaned or rejected foals. It contains digestible, whey-based proteins to minimize digestive upset and is fully fortified.
Mare’s Milk Replacer (Baileys Horse Feeds)
FoalFoal
GrowthGrowth
NutritionNutrition
ProteinProtein
Mare's Milk Replacer from Baileys Horse Feeds is intended for orphaned or rejected foals after receiving colostrum. This feed contains milk protein, vitamins, and minerals vital for the foal's optimum growth.
Mare’s Match® Foal Transition Pellets (Land O Lakes)
FatFat
FoalFoal
GrowthGrowth
ProteinProtein
Mare's Match® Foal Transition Pellets is a milk-based feed targeted to weanlings transitioning to solid feed. It is a source of protein, fat, vitamins and minerals.
MareKare (AniMed)
BroodmareBroodmare
LactationLactation
NutrientsNutrients
VitaminsVitamins
MareKare from AniMed is a made for pregnant and lactating mares. This vitamin and mineral supplement is meant to provide extra nutrients and help maintain body condition during breeding, foaling, and lactating.
Marine-Derived Calcium
IngredientIngredient
Mineral BalanceMineral Balance
NutrientsNutrients
NutritionNutrition
Marine-derived calcium is a natural source of calcium taken from marine materials, such as algae or shells.
Mass-No-Sass (Daily Dose Equine)
DigestionDigestion
FiberFiber
ForageForage
Weight IssuesWeight Issues
Mass-No-Sass by Daily Dose Equine is a hay-based feed with high fat and fibre. It is intended to be digested in the foregut, allowing a horse to maintain focus and calm during training.
Master’s Hoof Blend (Vita Flex)
Amino AcidAmino Acid
Hoof HealthHoof Health
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
Master's Hoof Blend from Vita Flex is a hoof supplement containing the essential amino acids lysine and methionine, and biotin. It also contains sulfur and chelated trace minerals to support hoof growth and integrity.
Masterlyx All-Purpose Block (Masterfeeds)
HealthHealth
Hoof HealthHoof Health
Mineral BalanceMineral Balance
NutrientsNutrients
Masterlyx All-Purpose Block is a free-choice mineral and vitamin supplement in a molasses block format. It is intended for beef cattle, horses, sheep, and goats.
Mature Horse (Bar Ale)
Complete FeedComplete Feed
JointsJoints
NutritionNutrition
SeniorSenior
Mature Horse is intended to support overall health and nutrient requirements for an adult to a senior horse. It contains glucosamine which is meant to support joint health.
Mature Horse Pellet (Matrix)
Complete FeedComplete Feed
HealthHealth
NutritionNutrition
SeniorSenior
Mature Horse Pellet by Matrix is a complete pelleted feed intended for mature horses that provides 14% protein and 4.5% fat. It contains energy sources such as barley, alfalfa meal, and wheat.
Mature Horse Pellets (Lifeline)
FiberFiber
Gut HealthGut Health
SeniorSenior
Weight IssuesWeight Issues
Mature Horse Pellets by Lifeline is a pelleted feed intended for horses with weight control issues.
Mature Horse Textured (Matrix)
Complete FeedComplete Feed
NutritionNutrition
ProteinProtein
SeniorSenior
Mature Horse Textured by Matrix is a texturized complete feed that provides 14% protein and 4.5% fat. This feed is recommended for mature horses in moderate to heavy work to supply additional energy and protein.
Mature Horse Textured Feed (Lifeline)
DigestionDigestion
FiberFiber
Gut HealthGut Health
SeniorSenior
Lifeline Mature Horse Textured Feed is a feed intended for horses with weight issues, and horses in light to moderate work.
Maverick 12-8 Horse Pellet (Big V Feeds)
BroodmareBroodmare
HealthHealth
NutritionNutrition
PerformancePerformance
Maverick 12-8 Horse Pellet by Big V Feeds is a pelleted feed intended for breeding stock, maintenance and performance horses.
Maverick 12% Sweet Grain (Big V Feeds)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
NutritionNutrition
Maverick 12% Sweet Grain by Big V Feeds is a textured feed intended for horses not at risk of founder or colic.
Maverick 14-6 Horse Pellet (Big V Feeds)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
NutritionNutrition
Maverick 14-6 Horse Pellet by Big V Feeds is a pelleted feed intended for all classes of horses.
Maverick 14% Dry Mix (Big V Feeds)
Complete FeedComplete Feed
HealthHealth
NutrientsNutrients
NutritionNutrition
Maverick 14% Dry Mix by Big V Feeds is a textured feed formulated with 14% protein and is intended for all classes of horses.
Maverick 14% VRX (Big V Feeds)
BroodmareBroodmare
NutritionNutrition
PerformancePerformance
StallionStallion
Maverick 14% VRX by Big V Feeds is a textured feed intended for yearlings, mares, stallions, mature pleasure and performance horses.
Maverick Senior Horse Pellets (Big V Feeds)
Complete FeedComplete Feed
NutrientsNutrients
NutritionNutrition
SeniorSenior
Maverick Senior Horse Pellets by Big V Feeds is a pelleted feed formulated for senior horses.
Max-E Glo Stabilized Rice Bran (Manna Pro)
Coat QualityCoat Quality
FatFat
NutritionNutrition
Weight IssuesWeight Issues
Max-E Glo Stabilized Rice Bran by Manna Pro is a stabilized rice bran pellet with added calcium carbonate intended to supply a balanced ratio of calcium to phosphorous. Stabilized rice bran has a longer shelf-life than unstabilized rice bran.
Maxi Tub A/N (Agassiz Feeds)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Maxi Tub by Agassiz Feeds is a protein, energy, mineral and vitamin lick designed for beef cattle and dairy heifers on pasture. It is molasses-based, with no additional salt, providing a minimum of 16% crude protein.
Maxim Low-GI (Dunstan)
FiberFiber
HealthHealth
Low NSC FeedsLow NSC Feeds
NutritionNutrition
Maxim Low-GI by Dunstan is a high fibre feed formulated to be low in starch and sugar. It is intended for horses that do not do well on grain-based feeds.
Meadow Blend Coarse Mix (Heygates Feeds)
Coat QualityCoat Quality
DigestionDigestion
ForageForage
NutritionNutrition
Meadow Blend Coarse Mix is intended for horses and ponies of all ages and in light to moderate work. It contains herbs, garlic, and yeast. Yeast is meant to have beneficial effects on digestion, and nutrient uptake.
Medicine Bag Complete (Medicine Bag Project)
GrowthGrowth
HealthHealth
Mineral BalanceMineral Balance
MuscleMuscle
Medicine Bag Complete by Medicine Bag Project is a powdered mineral supplement intended for all types of horses.
Mega-Cell MVP – Pelleted Multi Vitamin and Mineral (Med-Vet)
HealthHealth
ProbioticProbiotic
Ration BalancerRation Balancer
VitaminsVitamins
MVP Mega-Cell is a pelleted vitamin and mineral supplement for horses formulated to balance grass hays and grain-based diets. It is also a source of amino acids and microbials.
Meganutril Ultra (Equina USA)
AntioxidantAntioxidant
HealthHealth
ImmunityImmunity
VitaminsVitamins
Meganutril Ultra from Equina USA is a mineral supplement for horses. Meganutril Ultra contains vitamins, amino acids, and yeast. This supplement is intended to balance nutritional deficiencies in horses.
Melange C 10% (Nature Belisle)
AntioxidantAntioxidant
HealthHealth
IngredientIngredient
VitaminsVitamins
Melange C 10% by Nature Belisle is a vitamin C supplement. It is intended for horses and ponies of all ages and work levels. It can be beneficial during heat waves as a de-stressor.
Mellow Muscle (Sierra Gold)
CalmingCalming
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Mellow Muscle by Sierra Gold is a powdered supplement for horses intended to aid horses suffering from PSSM. It contains vitamins, minerals, and amino acids which intend to support muscle growth.
Meta Safe (Hygain)
ImmunityImmunity
MetabolismMetabolism
Ration BalancerRation Balancer
Weight IssuesWeight Issues
Meta Safe from Hygain is a ration balancer pellet for horses. Meta Safe is intended for horses on a restricted diet or suffering from metabolic issues. This feed contains 6.5% NSC.
Metabolic (DAC)
CirculationCirculation
MetabolismMetabolism
Mineral BalanceMineral Balance
StressStress
Metabolic from dac is a supplement that is intended to support metabolism relating to blood glucose levels. It is also meant to assist with circulation and managing stress.
Metabolic Miracle (Aterak Nutrition)
Grain FreeGrain Free
Metabolic SyndromeMetabolic Syndrome
Mineral BalanceMineral Balance
VitaminsVitamins
Metabolic Miracle by Aterak Nutrition is a feed targeted toward horses or ponies with metabolic disorders (Cushing's, Founder, Laminitis). This feed contains the vitamins and minerals necessary to support a well-balanced diet and is high in fibre.
MetaBoost (Pureform)
Amino AcidAmino Acid
AntioxidantAntioxidant
ToplineTopline
VitaminsVitamins
MetaBoost from Pureform is a supplement for horses that contains antioxidants, vitamins, amino acids and minerals. It is meant to support digestion, muscles, and topline.

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