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Antioxidants - Feed Ingredient

Antioxidants refer to compounds included in feed formulations to prevent the oxidative degradation of nutrients, particularly fats and fat-soluble vitamins. These blends typically can contain a mix of synthetic and/or natural antioxidants, such as butylated hydroxytoluene (BHT), butylated hydroxyanisole (BHA), ethoxyquin, tocopherols (Vitamin E), ascorbic acid (Vitamin C), and citric acid. The specific formulation can vary based on the intended application, regulatory considerations, and desired shelf life of the feed product.

In equine nutrition, antioxidant blends are primarily used to stabilize feed ingredients during processing and storage. Oxidation can lead to rancidity, off-flavors, and the degradation of sensitive nutrients, which can negatively affect palatability and nutritional quality. The use of an antioxidant blend helps maintain the integrity of fats, oils, and vitamins, ensuring consistent product performance and nutrient delivery.

While some antioxidants in the blend may contribute marginally to the horse’s dietary intake of these nutrients, their primary function in feed is preservative rather than nutritional.

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

Feeds, Supplements & Products
MagneChrome (Mad Barn)
AntioxidantAntioxidant
HealthHealth
HerbHerb
Metabolic SyndromeMetabolic Syndrome
MagneChrome from Mad Barn (formerly sold under the name IR Supplement) is a magnesium and chromium supplement for IR Horses. This supplement provides antioxidant and anti-inflammatory support which is critical for horses with metabolic conditions such as insulin resistance, laminitis and Cushing’s Syndrome
12.5% Exactor Lite – Texturized (Masterfeeds)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
PerformancePerformance
Masterfeeds 12.5% Exactor Lite is a texturized horse feed formulated for race horses. It is marketed as a palatable corn-free formula with added fiber, shredded beet pulp and molasses. This feed features 100% organic trace minerals.
12% Fat ‘n’ Fibre (Pellet) (Masterfeeds)
FatFat
FiberFiber
Ration BalancerRation Balancer
VitaminsVitamins
Masterfeeds Fat 'n' Fibre pellet is a complete feed intended for light performance and maintenance horses. It provides 5% fat, which is low compared to other fat-based feeds. This is a controlled starch budget-friendly feed.
Acti-Flex (Cox Vet Labs)
ExerciseExercise
JointsJoints
NutrientsNutrients
RecoveryRecovery
Acti-Flex is a liquid pina colada flavoured joint supplement containing chondroitin, glucosamine, MSM and hyaluronic acid. It is formulated to support connective tissue in horses.
BioPod (Sollio Agriculture)
HealthHealth
Hoof HealthHoof Health
ImmunityImmunity
PerformancePerformance
BioPod from Sollio Agriculture is a pelleted hoof supplement. This supplement is intended to support hoof growth and improve hoof integrity.
Breathe (Herbs for Horses)
HealthHealth
HerbHerb
ImmunityImmunity
RespiratoryRespiratory
Herbs for Horses Breathe is an equine supplement containing aniseed, garlic, spirulina, cinnamon, eucalyptus, and other herbs to support respiratory health. This supplement is recommended for adult horses and ponies.
CR ProFibre Crunch (Trouw Nutrition)
Complete FeedComplete Feed
FiberFiber
Low NSC FeedsLow NSC Feeds
Metabolic SyndromeMetabolic Syndrome
CR ProFibre Crunch is a mixed high fibre pellet and extruded feed with less than 10% NSC content. Energy sources include soy hulls, alfalfa, and beet pulp. ProFibreCrunch also contains flax as a source of omega-3 fatty acids.
EquiForce E+ (Havens Horsefeed)
Amino AcidAmino Acid
AntioxidantAntioxidant
NutrientsNutrients
VitaminsVitamins
EquiForce E+ by Havens Horsefeed is a vitamin and mineral supplement intended for performance horses. It contains natural vitamin E, selenium, and amino acids. This supplement supports the immune system, muscles, and nervous system.
EquiForce Foot (Havens Horsefeed)
Amino AcidAmino Acid
Hoof HealthHoof Health
NutrientsNutrients
VitaminsVitamins
EquiForce Foot by Havens Horsefeed is an equine hoof health supplement. It contains biotin, B-vitamins, amino acids, and minerals to support hoof growth. One scoop supplies 75mg of biotin.
Equinepower Cool Energy (O&T Farms)
DigestionDigestion
FatFat
SeniorSenior
Weight IssuesWeight Issues
Equinepower Cool Energy by O&T Farms is a high fat (28.2%) weight gain supplement intended for all horse types.
EquinePOWER™ Horse Weight Gain Supplement
EnergyEnergy
FatFat
Metabolic SyndromeMetabolic Syndrome
Weight IssuesWeight Issues
EquinePOWER™ is a weight gain supplement for horses containing canola, flaxseed, and alfalfa. It is designed to be fed as a top-dressing to horses requiring more calories in their diet.
EquiSeO (Sollio Agriculture)
AntioxidantAntioxidant
HealthHealth
MuscleMuscle
NutrientsNutrients
EquiSeO by Sollio Agriculture is a pelleted selenium and vitamin E supplement. It is intended for horses with inadequate selenium intake.
Fat ‘N’ Fibre (pellet) (Masterfeeds)
ExerciseExercise
FatFat
FiberFiber
HealthHealth
Fat 'N' Fibre from Masterfeeds is a pelleted feed that is higher in fat and fibre. It is formulated for idle horses to horses in light work. Fat 'N' Fibre contains 12% protein, 5% fat, and 15% fiber.
Feisty Mare (Herbs for Horses)
CalmingCalming
HerbHerb
MareMare
StressStress
Feisty Mare is an herbal supplement for horses advertised to reduce tension and irritability. It contains lemon balm, chamomile, aniseed, chasteberry and thyme.
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.
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.
Finishing Touch (Masterfeeds)
Coat QualityCoat Quality
EnergyEnergy
FatFat
Weight IssuesWeight Issues
Masterfeeds Finishing Touch is a high-fat pelleted horse supplement that is used to promote weight gain or to provide fat as an energy source. It can be top-dressed on feed to increase the calorie density of the diet.
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.
Game Changer Plus (OE Nutraceuticals)
AntioxidantAntioxidant
ImmunityImmunity
JointsJoints
MuscleMuscle
Game Changer Plus by OE Nutraceuticals is a powdered supplement designed to support joint and muscle health by helping to reduce inflammation.
Gro-Fit (Ark Nutrition)
BroodmareBroodmare
Complete FeedComplete Feed
GrowthGrowth
LactationLactation
Gro-Fit by Ark Nutrition is a complete pelleted feed intended for growing horses, pregnant mares, lactating mares, and working horses. It contains various ingredients such as alfalfa meal, soyhulls, and wheat.
Hyalcare Plus (Herbs for Horses)
Competition HorsesCompetition Horses
HealthHealth
JointsJoints
NutrientsNutrients
Hyalcare Plus from Herbs for Horses is a powdered equine joint supplement. Hyalcare Plus is formulated with MSM and collagen intended to support joint health in horses.
InflammaSaver (Figuerola Laboratories)
AntioxidantAntioxidant
HealthHealth
HerbHerb
RecoveryRecovery
InflammaSaver by Figuerola Laboratories is a herbal supplement that supports inflammation. It is formulated with herbs, enzymes and botanicals.
Joint+ (Enviro Equine)
HealthHealth
JointsJoints
NutritionNutrition
PerformancePerformance
Joint+ by Enviro Equine is a joint supplement intended to support healthy joints, connective tissue and overall mobility in horses of all ages.
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.
LaminaSaver (Figuerola Labs)
AntioxidantAntioxidant
Bone HealthBone Health
HealthHealth
RecoveryRecovery
LaminaSaver by Figuerola Labs is a powdered supplement designed to support bone health. It is formulated with biotin, antioxidants, and methionine.
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.
Move Free (Dunstan)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
Competition HorsesCompetition Horses
ExerciseExercise
Move Free by Dunstan is a textured feed formulated to support horses who are prone to "Tying-Up". It is intended for horses with high energy demands but are unable to tolerate high grain diets. It contains sugarbeet and soybean hulls to provide calories from low starch, high fibre sources.
MSM Plus (Herbs for Horses)
AntioxidantAntioxidant
JointsJoints
NutrientsNutrients
VitaminsVitamins
MSM Plus by Herbs for Horses is a pelleted supplement that contains glucosamine, vitamin C, vitamin E, and yucca extract, which intends to support healthy joint function. It has no fillers and is compliant with FEI rules.
MSM Plus Joint Supplement (Herbs for Horses)
AntioxidantAntioxidant
Competition HorsesCompetition Horses
JointsJoints
SeniorSenior
Herbs for Horses MSM Plus is a joint supplement containing methylsulfonylmethane (MSM), glucosamine, vitamin C, natural vitamin E, yucca extract, zinc, copper, and manganese.
Muscle-UP Max Recovery (AniMed)
ExerciseExercise
HealthHealth
MuscleMuscle
RecoveryRecovery
Muscle-UP Max Recovery from AniMed is meant to aid in the recovery of the horse, both physically and mentally, after exercising or shows. It aims to improve the health of horses.
NaviculaSaver (Bursitex)
HealthHealth
HerbHerb
JointsJoints
Mineral BalanceMineral Balance
NaviculaSaver from Bursitex is an all-natural nutraceutical intended to support navicular health. This supplement contains glucosamine, MSM, and hyaluronic acid intended to promote joint health in horses.
NaviculaSaver (Figuerola Laboratories)
AntioxidantAntioxidant
Bone HealthBone Health
HealthHealth
Hoof HealthHoof Health
NaviculaSaver by Figuerola Laboratories is a bone supplement. It is formulated with glucosamine, chondroitin, MSM, and hyaluronic acid.
Podium Cool Energy – Pellet (Masterfeeds)
Complete FeedComplete Feed
Competition HorsesCompetition Horses
PerformancePerformance
UlcersUlcers
Podium Cool Energy is a controlled NSC performance feed that utilizes energy from carbohydrates and moderate levels of fat and protein. It is targeted at standardbred racehorses, eventers, and other equine athletes.
Rancher’s Complete Pellet (Trouw)
Caloric EnergyCaloric Energy
HealthHealth
NutrientsNutrients
NutritionNutrition
Rancher's Complete Pellet by Trouw Nutrition is a complete feed intended to meet the nutritional needs of all horse types.
ReBuild (Pryde’s EasiFeed)
MuscleMuscle
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
ToplineTopline
ReBuild by Pryde's EasiFeed is a pelleted supplement intended to help build topline and condition in all horse types.
Recovery (Vita Flex)
Amino AcidAmino Acid
ElectrolyteElectrolyte
ExerciseExercise
RecoveryRecovery
Vita Flex Recovery is an equine supplement intended to support post-exercise recovery. It contains amino acids, B-vitamins, and electrolyte ingredients.
Resolve (Dunstan)
Complete FeedComplete Feed
FiberFiber
JointsJoints
NutritionNutrition
Resolve by Dunstan is a low starch feed intended to meet the nutrient requirements of horses and provide joint support.
RX Roughage – Pellet/Cube (Masterfeeds)
DentalDental
FiberFiber
Hay StretcherHay Stretcher
SeniorSenior
Masterfeeds Rx Roughage is a high fibre horse feed that comes in the form of pellets or cubes. It is used to add bulk to the diet as a hay stretcher or can be soaked for horses with dental issues such as seniors.
SecureGuard Gold (Arenus)
Gut HealthGut Health
HealthHealth
HindgutHindgut
NutritionNutrition
SecureGuard Gold from Arenus is a pelleted gut supplement for horses. SecureGuard Gold is intended for horses with chronic gut issues or poor body condition.
Senior Pellet (Masterfeeds)
Complete FeedComplete Feed
DigestionDigestion
FiberFiber
SeniorSenior
Masterfeeds Senior is a complete pelleted horse feed formulated with high-calorie digestible fiber sources and added fat. It is designed to meet the needs of senior horses and horses requiring a low-starch diet and low glycemic ration.
Smartbreathe Pellets (SmartPak)
HealthHealth
HerbHerb
NutrientsNutrients
RespiratoryRespiratory
SmartBreathe pellets are an equine supplement intended for horses with respiratory issues. It contains herbal ingredients, MSM, vitamin C, N-acetyl cysteine, and enzymes to support the respiratory system and a natural response to inflammation.
SmartBreathe Ultra Pellets (SmartPak)
ImmunityImmunity
IngredientIngredient
PerformancePerformance
RespiratoryRespiratory
SmartBreathe Ultra Pellets from SmartPak is a pelleted respiratory supplement for horses. SmartBreathe Ultra is formulated with spirulina, MSM, and grape seed extract intended to help horses with respiratory issues.
SmartCombo Senior Ultra (SmartPak)
Gut HealthGut Health
Hoof HealthHoof Health
JointsJoints
SeniorSenior
SmartCombo Senior Ultra is a pelleted supplement intended for senior horses containing glucosamine, chondroitin sulfate, hyaluronic acid, MSM, biotin, omega 3 fatty acids, probiotics, prebiotics, and digestive enzymes.
SmartFlex Senior Pellets (Smart Pak)
HealthHealth
JointsJoints
NutritionNutrition
SeniorSenior
SmartFlex Senior Pellets from Smart Pak is a pelleted joint supplement. SmartFlex Senior Pellets provides 7000mg of glucosamine, 500mg of chondroitin sulfate, and 50mg of hyaluronic acid intended to support healthy joints.
SmartPituitary Senior Pellets (SmartPak)
HealthHealth
ImmunityImmunity
Metabolic SyndromeMetabolic Syndrome
SeniorSenior
SmartPituitary Senior Pellets from SmartPak is a pelleted equine supplement intended for aged horses with pituitary issues. This supplement is formulated with chasteberry, Vitamin E, Siberian ginseng, and echinacea intended to support immune function in senior horses.
Step 3 Classic Sweet (Trouw Nutrition)
Caloric EnergyCaloric Energy
Complete FeedComplete Feed
FlavorFlavor
Weight IssuesWeight Issues
Step 3 Classic Sweet is a textured sweet feed for mature horses in light to moderate work. It contains whole oats and added sugars to improve palatability.
Step 4 Complete – Rocky Mountain Crunch (Trouw Nutrition) [DISCONTINUED]
DigestionDigestion
FiberFiber
Hay StretcherHay Stretcher
Ration BalancerRation Balancer
Step 4 Complete Rocky Mountain Crunch is an extruded, high-fibre feed used to partially replace forage. The kibbles contain 14% protein as well as essential vitamins and minerals.
Strategy (Ark Nutrition)
FatFat
HealthHealth
NutritionNutrition
ProteinProtein
Strategy by Ark Nutrition is an energy and protein supplement for horses. It is intended to support muscle development and meet fatty acid requirements from soybean meal, palm oil, flaxseed, and rice bran.
SU-PER Anti-Oxidant Powder (Gateway Products)
AntioxidantAntioxidant
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
SU-PER Anti-Oxidant Powder by Gateway Products is an anti-oxidant supplement anti-oxidant to support general health, energy production, and immune response for horses under stress or recovering from illness.
SU-PER ImmunoBOOST Powder (Gateway Products)
AntioxidantAntioxidant
HerbHerb
ImmunityImmunity
NutrientsNutrients
SU-PER ImmunoBOOST Powder by Gateway Products is an immune supplement of anti-oxidants, vitamins and minerals, and herbal extracts. This supplement is for seniors, performance, and horses under consistent stress.
SU-PER LaminAid Powder (Gateway Products)
Amino AcidAmino Acid
HerbHerb
Hoof HealthHoof Health
VitaminsVitamins
SU-PER LaminAid Powder by Gateway Products is a circulation supplement designed for horses suffering from laminitis/founder or at risk. This supplement helps to increase blood flow, support inflammatory responses, and provide nutrients to damaged tissues.

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