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Allergy Supplements for Horses

View a list of allergy supplements for horses in Mad Barn’s equine feed database. Allergy supplements are formulated to support a normal immune and inflammatory response in horses with seasonal, environmental, or insect-related sensitivities. Some ingredients also support a normal histamine response through their effect on mast cells. Together, these ingredients support skin, respiratory, and immune health.

Common ingredients include the omega-3 fatty acids DHA and EPA, spirulina, and antioxidants such as vitamin E, vitamin C, and zinc. Allergy supplements are often used for horses with skin allergies, such as Culicoides hypersensitivity (sweet itch), hives, or itching. They may also support horses with respiratory sensitivities. Compare active ingredients, omega-3 and antioxidant levels, feeding directions, cost per serving, and nutritional profiles to find a supplement that fits your horse’s needs.

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Allergy Supplements 19 entries
NOCR (Mad Barn)
AntioxidantAntioxidant
PerformancePerformance
RespiratoryRespiratory
StaminaStamina
Mad Barn's NOCR is a respiratory supplement intended to help with lung health and function. It contains antioxidants and is also meant to assist with performance, cardiovascular health and immune function.
OmegaPrime+ (Mad Barn)
CardiovascularCardiovascular
Coat QualityCoat Quality
JointsJoints
RespiratoryRespiratory
Mad Barn's OmegaPrime+ provides a concentrated supply of omega-3 fatty acids. It is designed to support joint health, coat quality, respiratory function, and reproductive health in a low-calorie serving.
Spirulina (Mad Barn)
HealthHealth
ImmunityImmunity
IngredientIngredient
RespiratoryRespiratory
Spirulina platensis is a blue-green algae that is rich in protein, fatty acids, vitamins, and minerals. Spirulina provides nutritional support for the skin, respiratory function, and immune system in horses.
Air-Way EQ (MVP)
HealthHealth
ImmunityImmunity
RespiratoryRespiratory
VitaminsVitamins
Air-Way EQ by MVP is a pelleted supplement that is intended to help maintain normal histamine levels in horses with seasonal allergies. It contains ingredients that are meant to support healthy lungs and the immune system.
AniHist H (AniMed)
HealthHealth
ImmunityImmunity
RespiratoryRespiratory
VitaminsVitamins
AniHist H from AniMed is meant to support the respiratory health of horses. It contains a herbal-blend aiming to help horses with seasonal allergies, to enable them to breathe better, and to support their immune system.
D-itch Supplement (NAF Equine)
HealthHealth
NutrientsNutrients
Skin + HairSkin + Hair
VitaminsVitamins
D-itch Supplement by NAF Equine is a powdered horse supplement that is intended to provide a blend of antioxidants that are meant to soothe itchy skin.
Equishield SA Powder (KineticVet)
HealthHealth
ImmunityImmunity
Skin + HairSkin + Hair
VitaminsVitamins
Equishield SA Powder from KineticVet is a powdered additive that is made to assist horses with skin health, allergies, and immunity.
ForeRespiratory (Forefront Equine)
ExerciseExercise
HerbHerb
PerformancePerformance
RespiratoryRespiratory
ForeRespiratory is a supplement intended to promote respiratory health. It is ideal for performance horses to reach their full potential. It is also suitable for horses exposed to dusty environments or that have respiratory issues.
HistAll H (AniMed)
HealthHealth
ImmunityImmunity
NutrientsNutrients
VitaminsVitamins
HistAll H from AniMed is a supplement meant to help horses suffering from seasonal allergies, to support normal histamine levels and a healthy immune system. It also claims to help combat environmental irritants and pollutants.
Open Air (Peak Performance Nutrients)
EnergyEnergy
HerbHerb
RespiratoryRespiratory
StaminaStamina
Open Air by Peak Performance Nutrients is a liquid respiratory supplement containing a blend of herbs to support bronchial function, endurance, and mucus production. This supplement is for performance horses subjected to cold conditions, dust, and pollen.
Pulmonaire (Herbs for Horses)
AntioxidantAntioxidant
HealthHealth
ImmunityImmunity
RespiratoryRespiratory
Pulmonaire is an anti-oxidant supplement purported to support immune function and suppress allergic reactions. It consists of aniseed, omega-3 oil, and spirulina (blue green algae).
Pure Allergy Relief (Twenty Four Carrots)
AntioxidantAntioxidant
HealthHealth
HerbHerb
ImmunityImmunity
Pure Allergy Relief by Twenty Four Carrots is a natural herbal supplement formulated to support healthy immune and respiratory function. It is designed to help reduce the symptoms associated with seasonal and environmental allergies.
Skin & Allergy (Platinum Performance)
Coat QualityCoat Quality
HealthHealth
RespiratoryRespiratory
Skin + HairSkin + Hair
Skin & Allergy from Platinum Performance is a powdered allergy formula for horses. Skin & Allergy is intended to provide support for horses with seasonal allergies such as grasses, insect bites, or spores.
SU-PER Aller-G Powder (Gateway Products)
HealthHealth
HerbHerb
Omega 3-6-9Omega 3-6-9
RespiratoryRespiratory
SU-PER Aller-G Powder by Gateway Products is an allergy supplement that supports respiratory health and function. This supplement contains bromelain, echinacea, and bioflavonoid complex, which minimize symptoms of allergies and boost immunity.
Sweet Itch Pellets (Herbs for Horses)
Coat QualityCoat Quality
HealthHealth
HerbHerb
Skin + HairSkin + Hair
Herbs for Horses Sweet Itch is a pelleted supplement purported to reduce the irritation of sweet itch in horses. It contains a blend of herbal ingredients including astragalus, chamomile and garlic.
Total Equine Relief Syringe (Ramard)
HealthHealth
ImmunityImmunity
IngredientIngredient
RecoveryRecovery
Total Equine Relief Syringe from Ramard is meant to ease aches and inflammation. It can help with bruising and stiffness as well as assisting in reducing seasonal allergies.
UltraCruz Equine Skin and Allergy Supplement (Pellet) (Santa Cruz Animal Health)
Caloric EnergyCaloric Energy
Coat QualityCoat Quality
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
UltraCruz Equine Skin and Allergy Supplement is a pelleted supplement for horses, intended to reduce skin irritations caused by allergens. It contains the omega-3 fatty acid DHA, quercetin and calf thymus protein.
UltraCruz Equine Skin and Allergy Supplement (powder) (Santa Cruz Animal Health)
Caloric EnergyCaloric Energy
HealthHealth
Omega 3-6-9Omega 3-6-9
Skin + HairSkin + Hair
UltraCruz Equine Skin and Allergy Supplement is a powdered supplement intended to support the immune system of horses. It is formulated with the omega-3 fatty acid DHA, quercetin, and calf thymus protein to reduce reactions to allergens.
Wind Aid (Hawthorne Products)
HealthHealth
NutrientsNutrients
PerformancePerformance
RespiratoryRespiratory
Wind Aid by Hawthorne Products is an equine respiratory health supplement designed to relieve coughs, throat irritation, allergies, and wind problems. It is a glycerin-based paste that is administered via syringe.
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