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Ferrous Sulfate - Feed Ingredient

Ferrous Sulfate is an iron salt used in various feed formulations to supply bioavailable iron, an essential mineral necessary for oxygen transport, energy production, and enzyme function. This crystalline compound is highly soluble, ensuring that when included in diets, its iron is readily absorbed and utilized by the body. It is commonly employed in nutritional supplements for species with identified iron deficiencies, contributing to the synthesis of hemoglobin and supporting overall metabolic health.

In equine nutrition, however, supplemental iron is typically unnecessary as horses generally obtain adequate levels of iron from their forage-based diets. Excess iron may interfere with the absorption of other essential minerals and could potentially lead to nutritional imbalances. Therefore, the use of Ferrous Sulfate in horse feeds should be avoided unless a specific deficiency is diagnosed and supplementation is implemented under the strict guidance of a veterinarian.

The following equine feeds, supplements and products contain Ferrous Sulfate as an ingredient.

Feeds, Supplements & Products
Essential (DePaolo Equine Concepts)
Amino AcidAmino Acid
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Essential by DePaolo Equine Concepts is a pelleted supplement that intends to promote healthy coat and hooves, and support a strong immune system. It contains ingredients such as L-Lysine, Biotin, and Vitamins A, B, D, and E.
Esteem Complete Pellet (Bar Ale)
ExerciseExercise
FiberFiber
NutritionNutrition
VitaminsVitamins
Esteem Complete Pellet is a high fiber feed. It is intended for horses and ponies of all ages and work levels. It contains 13% protein, 3.2% fat, and 23% fiber.
Esteem Complete Senior Pellet (Bar Ale)
FiberFiber
NutritionNutrition
SeniorSenior
VitaminsVitamins
Esteem Complete Senior Pellet is a pelleted feed intended for senior horses and ponies. Esteem Complete Senior Pellet is formulated with glucosamine and chondroitin.
Esteem Complete Senior Textured (Bar Ale)
Gut HealthGut Health
NutritionNutrition
SeniorSenior
YeastYeast
Esteem Complete Senior Textured from Bar Ale is intended for senior horses. Esteem Complete Senior Textured is a textured horse feed formulated with beet pulp and alfalfa meal.
Evolution Elite (Purina)
Complete FeedComplete Feed
ExerciseExercise
Gut HealthGut Health
Weight IssuesWeight Issues
Purina Evolution Elite is a multi-particle complete feed containing extruded and pelleted components. It is formulated with 13% protein and 8% fat.
Evolution Juvenile (Purina)
Caloric EnergyCaloric Energy
FoalFoal
GrowthGrowth
Ration BalancerRation Balancer
Evolution Juvenille is a multiparticle feed for growing horses made with pelleted and extruded components. It is designed to meet the nutritional needs of weanlings, yearlings and two-year olds.
Evolution Maternity (Purina)
BroodmareBroodmare
FoalFoal
GrowthGrowth
LactationLactation
Purina Evolution Maternity is a pelleted and extruded feed intended for late gestation and lactating broodmares and nursing and growing foals. Energy sources include corn, soy hulls, beet pulp, alfalfa meal, and flaxseeds.
Evolution Senior (Purina)
Caloric EnergyCaloric Energy
Gut HealthGut Health
Ration BalancerRation Balancer
SeniorSenior
Purina Evolution Senior is a low glycemic pelleted and extruded horse feed intended for mature horses 15 years of age and older. it contains prebiotics, probiotics, yeast culture, and a balance of amino acids to help maintain ideal gut health.
Exacta 10 (Seminole)
FiberFiber
FlavorFlavor
Gut HealthGut Health
Organic Trace MineralsOrganic Trace Minerals
Seminole Exacta 10 is a textured feed intended for mature, active horses and ponies, providing 22% NSC. It contains soybeans, wheat middlings, oats, cracked corn, and molasses.
Exacta 12 (Seminole)
FiberFiber
FlavorFlavor
Gut HealthGut Health
Organic Trace MineralsOrganic Trace Minerals
Seminole Exacta 12 is a textured feed intended for active adult horses, providing 12% protein, 7% fat and 22% NSC. It contains soybeans, wheat middlings, oats, cracked corn, and molasses.
Exacta 14 (Seminole)
FiberFiber
FlavorFlavor
Gut HealthGut Health
Organic Trace MineralsOrganic Trace Minerals
Seminole Exacta 14 is a textured feed intended for growing, breeding, and performance horses. It provides 23% NSC and contains soybeans, wheat middlings, oats, cracked corn, and molasses.
Excel Equine 10 (Excel Equine Feeds)
Easy KeeperEasy Keeper
HealthHealth
ImmunityImmunity
SeniorSenior
Excel Equine 10 is a textured feed from Excel Equine Feeds. This feed is intended for horses in low to moderate work, as well as mature horses.
Excel Equine 12 (Excel Equine Feeds)
FatFat
HealthHealth
ImmunityImmunity
PerformancePerformance
Excel Equine 12 is a textured feed from Excel Equine Feeds. Excel Equine 12 contains a fat content intended for horses in moderate workloads.
Excel Equine 15 (Excel Equine Feeds)
BroodmareBroodmare
GrowthGrowth
NutritionNutrition
PerformancePerformance
Excel Equine 15 by Excel Equine Feeds is a textured feed intended for broodmares, foals, weanlings, yearlings and high performance horses.
EZ (Tribute)
CalmingCalming
ExerciseExercise
FatFat
FiberFiber
Tribute Equine EZ Pellets is a 20% fibre, 8% fat feed intended for hard keepers and mature horses with higher energy requirements. It is formulated with reduced sugar and starch content and provides a maximum 13.5% NSC.
EZ-Balance (Purina Canada)
HealthHealth
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
Ration BalancerRation Balancer
EZ-Balance is a low-calorie pelleted vitamin-mineral supplement formulated with organic copper, zinc and manganese. It has a low feeding rate of 150-200 grams per day.
Fast Fibre (Allen & Page)
Easy KeeperEasy Keeper
FiberFiber
IngredientIngredient
Low NSC FeedsLow NSC Feeds
Fast Fibre from Allen & Page is a low-energy horse feed. Fast Fibre is high in fibre with a low NSC content (7.5%). Fast Fibre is recommended to be fed soaked.
Ferrous Sulfate 7H2O
Blood CellsBlood Cells
CirculationCirculation
IngredientIngredient
MuscleMuscle
Ferrous sulfate is an iron source added to some equine feeds. It exists as either monohydrate or heptahydrate forms. Iron supplementation is not recommended for most horses as the equine diet typically contains excess iron from forages and grains.
Ferrous Sulfate H2O
Blood CellsBlood Cells
CirculationCirculation
IngredientIngredient
MuscleMuscle
Ferrous sulfate is a source of the mineral iron, which is added to equine feeds. It exists in monohydrate and heptahydrate forms. Iron supplementation is not recommended for most horses because forages in the equine diet typically supply excess iron.
Ferto-LAC3 Mare Pellets (Havens Horsefeed)
Amino AcidAmino Acid
BroodmareBroodmare
FoalFoal
GrowthGrowth
Ferto-LAC3 Mare Pellets is a high-energy equine feed for broodmares and foals. It contains added calcium, phosphorus, and magnesium to support development and milk production.
Fiber & Fat Comfort (Meunerie Benjamin)
DigestionDigestion
FiberFiber
Gut HealthGut Health
ImmunityImmunity
Fiber & Fat Comfort by Meunerie Benjamin is a feed that is high in fiber and contains vitamins, minerals, and yeast. It is intended to support the immune system, gut health and digestion.
Fiber Boost (Ark Nutrition)
FiberFiber
Low NSC FeedsLow NSC Feeds
Mineral BalanceMineral Balance
VitaminsVitamins
Ark Nutrition Fiber Boost is a concentrated fiber source with added vitamins and minerals. It has low sugar and starch content, suitable for metabolic horses.
Fiber First (Excel Equine Feeds)
FatFat
FiberFiber
HealthHealth
NutritionNutrition
Fiber First from Excel Equine Feeds is a textured feed. This feed is intended to be high fat and high fat, with an increased beet pulp content.
Fiberforce (Cavalor)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
Fiberforce by Cavalor is a high-fiber feed made with alfalfa stems to encourage chewing and buffer stomach acid. It is targeted to horses with gastrointestinal problems such as gastric ulcers. It has an NSC value of 8%.
Fiberforce Gastro (Cavalor)
FiberFiber
Gut HealthGut Health
Low NSC FeedsLow NSC Feeds
UlcersUlcers
Fiberforce Gastro by Cavalor is a textured feed intended for horses prone to ulcers or stomach problems.
Fibre Nugget Horse Ration (Equiline)
AntioxidantAntioxidant
Complete FeedComplete Feed
FiberFiber
YeastYeast
Fibre Nugget Horse Ration from Equiline is a complete feed that has a high fibre content. This feed can be fed with hay or substituted with hay and is in a nugget form. It contains yeast and antioxidants.
Fibre O Plus (Brooks Feeds)
ExerciseExercise
FatFat
FiberFiber
Omega 3-6-9Omega 3-6-9
Fibre O Plus is a textured performance feed for horses with higher energy demands. It provides added calories from beet pulp and fat sources such as flax and rice bran.
Fibre-Lite Forage Replacer (Brooks)
Easy KeeperEasy Keeper
FiberFiber
Hay StretcherHay Stretcher
SeniorSenior
Fibre-Lite Forage Replacer is a pelleted feed containing 25% fibre from digestible sources such as soy hulls, wheat shorts, alfalfa meal, and beet pulp. It can be used as a partial hay replacer or for horses with lower energy requirements.
Fibrenergy (Hallway Feeds)
Competition HorsesCompetition Horses
FiberFiber
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
Hallway Fibrenergy is a high-fat, high-fibre textured feed designed for performance horses. Fibrenergy is grain-free and uses beet pulp, soy hulls and oils for energy.
Fibromega Cubed (Meunerie Benjamin)
Complete FeedComplete Feed
Coat QualityCoat Quality
FiberFiber
Gut HealthGut Health
Fibromega Cubed from Meunerie Benjamin is a complete feed that is high in fiber. It is intended to help with gastric health, coat and hoof health, and immunity.
Finger Lakes 12:7 (Poulin Grain)
Complete FeedComplete Feed
GrainsGrains
PerformancePerformance
ProteinProtein
Finger Lakes 12:7 by Poulin Grain is a textured feed intended for race horses. It contains corn, oats, and vitamin and mineral pellets. It supplies 12% crude protein, 7% fat, and 8% fiber.
Fit & Fibre – Pelleted (Brooks Feeds)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Fit and Fibre is a high fat and fibre pelleted feed from Brooks Performance Horse Feeds. It contains a minimum of 6.50% fat and a maximum of 20% fibre with an NSC of 32.4% determined by independent testing. It is listed as a controlled NSC feed.
Fit & Fibre – Textured (Brooks Feeds)
Complete FeedComplete Feed
FatFat
FiberFiber
NutritionNutrition
Fit and Fibre is a high-fat and fibre textured feed from Brooks Performance Horse Feeds. This feed is meant to provide energy for horses in light to moderate work.
Foal Balancer Milk Pellets (Seminole)
FoalFoal
GrowthGrowth
ProbioticProbiotic
YeastYeast
Seminole Foal Balancer Milk Pellets is a milk replacer and creep feed intended for nursing and orphan foals. It can also be fed to lactating mares and performance horses. This feed contains probiotic and yeast culture.
Foal Foundation (Tribute Equine)
FoalFoal
GrowthGrowth
PrebioticPrebiotic
ProbioticProbiotic
Tribute Foal Foundation™ is a milk-based pellet for foals up to three months of age to supplement the nutrients provided in mare's milk. The smaller pellet size helps to transition the foal to solid feeds.
Foal Milk Bits (Hoffman’s Horse Products)
FiberFiber
FoalFoal
HealthHealth
NutritionNutrition
Foal Milk Bits from Hoffman's Horse Products is a pelleted feed for foals. Foal Milk Bits is intended to supplement mare's milk. Foal Milk Bits may provide extra nutrition to foals who require additional calories.
Foal Milk Replacer (Hoffman’s Horse Products)
FatFat
FoalFoal
HealthHealth
NutritionNutrition
Foal Milk Replacer from Hoffman's is intended to replace or supplement a mare's milk. This milk replacer is highly palatable and intended to meet growing foals requirements.
Foal Starter (Buckeye)
EnergyEnergy
FoalFoal
PrebioticPrebiotic
ProteinProtein
Buckeye Foal Starter is a milk-based pellet that can be used as a free-choice transition or creep feed for foals under three months of age. It provides digestible fibre and protein sources.
Formula 2 Equine Supplement (Dr. Reeds) – [Discontinued]
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Dr. Reeds Formula 2 is a now-discontinued vitamin/mineral supplement for horses with higher NSC content than Formula 1. This supplement used a combination of organic and inorganic trace minerals and contained wheat and molasses.
Fortify (Dove Performance Nutrition)
Mineral BalanceMineral Balance
NutrientsNutrients
Ration BalancerRation Balancer
VitaminsVitamins
Fortify from Dove Performance Nutrition is a pelleted feed ration for horses. It contains vitamins, minerals, protein, fiber and fat.
Fortify (Excel Equine Feeds)
FiberFiber
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
Fortify from Excel Equine Feeds is a textured feed intended for horses in all stages of life. This feed contains 13% protein and 8% fat. Fortify is intended for horses in any level of work.
Foundation Cube (Hallway Feeds)
FiberFiber
Hay StretcherHay Stretcher
NutritionNutrition
ProteinProtein
Foundation Cube by Hallway Feeds is a cubed feed intended for growing and mature horses. It is a fortified feed that can be fed in amounts up to 18 lbs (8 kg) per day
Free Balance 12:12 Vitamin & Mineral (Purina)
HealthHealth
Mineral BalanceMineral Balance
NutritionNutrition
VitaminsVitamins
Free Balance 12:12 Vitamin & Mineral from Purina is a granulated mineral supplement. This supplement is intended for horses who are not receiving a balanced concentrate feed.
Free Choice (Doctor’s Choice Supplements)
HealthHealth
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
Free Choice by Doctor's Choice Supplements is a vitamin and mineral supplement intended for horses strictly on pasture or forage. It contains ingredients such as calcium carbonate, salt, and monocalcium phosphate.
Freestyle Performance (Daily Dose Equine)
Caloric EnergyCaloric Energy
FatFat
FiberFiber
PerformancePerformance
Freestyle Performance by Daily Dose Equine is a textured feed that is higher in fat and fibre than Sweet ‘n Safe. It is intended for performance horses. It is also known as Trail Mix.
Futurity Blend 14 (Woody’s Feed)
BroodmareBroodmare
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
LactationLactation
Woody's Futurity Blend 14 is a high starch feed with 14% protein and 4.5% fat, targeted to broodmares and foals. It is formulated to support gestation, lactation and growth.
Gastro Plus (Havens Horsefeed)
Amino AcidAmino Acid
Gut HealthGut Health
Mineral BalanceMineral Balance
VitaminsVitamins
Gastro Plus by Havens Horsefeed is a gut health supplement for all horses and ponies at all work levels. It contains alfalfa and a blend of buffers intended to neutralize stomach acid.
Generation (Equis Feed)
GrainsGrains
Gut HealthGut Health
NutritionNutrition
VitaminsVitamins
Generation from Equis Feed is intended for breeding stallions, mares in their last trimester and during lactation, and growing foals. This feed contains vitamins and minerals blended with protein, and fiber.
Genesis (Brooks)
BroodmareBroodmare
HealthHealth
NutrientsNutrients
VitaminsVitamins
Genesis by Brooks is a broodmare feed available in either textured or pelleted form. It is designed to meet the enhanced nutritional needs of mares before and after foaling, and it is marketed as having a low glycemic index.
Gentle Balance (LMF Horse Feeds)
Grain FreeGrain Free
Low NSC FeedsLow NSC Feeds
NutrientsNutrients
YeastYeast
Gentle Balance is a pelleted feed for horses that contains energy, vitamins, minerals, and yeast but does not contain grain or molasses. It is a low sugar feed that is meant for horses in light to moderate exercise.

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