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Immune Supplement - Feed Database
View a list of the best immune supplements for horses in Mad Barn’s equine feed database. Compare brands, ingredients and nutritional profiles to choose products that help support the immune system.
Feeds, Supplements & Products
3:1 Zinc Copper (Mad Barn)
Mad Barn's 3:1 Zinc Copper Powder is an organic trace mineral supplement containing a 3:1 ratio of Bioplex® Zinc and Copper. It is made with zinc and copper proteinates, which are chelated for improved absorption.
Jiaogulan (Mad Barn)
Jiaogulan powder supports circulation, muscle function, and respiratory health in horses. Jiaogulan has been shown to increase blood flow to horses' hooves.
L-Lysine (Mad Barn)
Lysine is an essential amino acid that is important for forming strong collagen bonds. Lysine is the most commonly deficient amino acid in equine diets.
Natural E/Organic Se (Mad Barn)
Natural E/Organic Se is a pelleted supplement providing organic Selenium yeast and natural Vitamin E. These two nutrients are important antioxidants that support muscle function and anti-inflammatory pathways.
Spirulina (Mad Barn)
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.
Trace Mineral Pak (Mad Barn)
Trace Mineral Pak from Mad Barn is a balanced equine supplement providing 100% organic (chelated) trace minerals. Ingredients include selenium, zinc, copper, and manganese.
w-3 Oil (Mad Barn)
w-3 Oil by Mad Barn is an essential fatty acid supplement fortified with the omega-3 DHA and natural Vitamin E. W-3 Oil helps to support joint health, coat quality, cardiovascular health and weight maintenance.
Zinc (Mad Barn)
Zinc is a major component of skin and hair, and supports normal growth and tissue health. Zinc is a structural component of many enzymes involved in immune function, nervous system function, and protein synthesis.
Paradox Organic Selenium Supplement (Probiotech)
Paradox by Probiotech is a granular organic selenium-enriched yeast supplement with added Vitamin E and Vitamin C. It also contains mannan oligosaccharides (MOS) and yucca schidigera.
PreOx (HorseTech)
PreOx from HorseTech is a powdered antioxidant supplement. PreOx contains added vitamins, minerals and added flaxseed. This supplement is intended for horses who require additional antioxidants in their diet.
Pumpkin Seed Oil (Equi-Force) [Discontinued]
Pumpkin Seed Oil by Equi-Force is a liquid supplement intended to help support immune health, and joint health. Pumpkin Seed Oil may decrease inflammation and improve joint mobility.
Red Cell (Iron Rich Supplement)
Red Cell® is a liquid vitamin-iron-mineral supplement for horses that are iron deficient. Each serving provides 300 mg of chelated iron. It includes B-complex vitamins to help support immune health.
Rescue Aid (DAC)
Rescue Aid by DAC is a powdered supplement designed to support gut health and immune function in horses. It is formulated with probiotics to help maintain a healthy digestive system.
Resist + Vit C (Cavalor)
Resist + Vit C by Cavalor is a powdered immune support supplement formulated with herbs and antioxidants to enhance the horse's natural defenses. It is ideal for horses that travel frequently or are regularly exposed to other horses.
Selenium with Vitamin E (Herbs for Horses)
Herbs for Horses Selenium with Vitamin E supplement combines natural vitamin E with organic selenium-enriched yeast. These antioxidant nutrients work together to support a healthy immune system and exercise recovery.
Shake Relief (NAF Equine)
Shake Relief by NAF Equine is a powdered immune supplement that contains antioxidants, herbs, and magnesium which is meant to support a calm, confident demeanor.
Smart & Simple Vitamin E Pellets (SmartPak)
Smart & Simple Vitamin E by SmartPak is a pelleted supplement that provides 2,500 IUs of Vitamin E per each 15g serving.
SmartImmune Pellets (SmartPak)
SmartImmune Pellets from SmartPak is a pelleted equine supplement. SmartImmune Pellets is formulated with astragalus, ginseng and golden root intended to support immune function in horses. This supplement is intended to help horses manage stress.
SmartLamina Pellets (SmartPak Equine)
SmartLamina Pellets is a horse supplement intended to support hoof and lamina health. It contains omega 3 fatty acids, MSM, yeast cultures, and herbs.
Spirulina
Spirulina is cyanobacteria or blue-green algae that can be fed to horses as a rich source of protein, fatty acids, vitamins, and minerals. It may help to support respiratory health, immune function, and metabolic health in horses.
STP (Cox Vet Lab)
STP is a liquid supplement intended to help horses during recovery after exercise. It can also help in inflammatory response, all while being gentle on the gut.
STP Pellets (Cox Vet Lab)
STP is a pelleted supplement intended to help horses during recovery after exercise. It can also help in inflammatory response, all while being gentle on the gut.
SU-PER C Powder (Gateway Products)
SU-PER C Powder by Gateway Products is a supplement that contains vitamin C that can provide anti-oxidant support to horses. It may help support respiratory health, cardiovascular function, and the immune system.
SU-PER Grape Seed Extract Powder (Gateway Products)
SU-PER Grape Seed Extract Powder is an antioxidant supplement to improve circulation, respiratory health, and the immune system. This supplement would benefit performance horses, senior horses, or horses recovering from illness or injury.
SU-PER ImmunoBOOST Powder (Gateway Products)
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.
Super Concentrated Senior Balancer (Blue Chip Feed)
Super Concentrated Senior Balancer from Blue Chip Feed is designed to support digestive, hoof, coat, immune, and respiratory health. This balancer is intended for senior horses and ponies.
Super Concentrated Ulsa-Cool Balancer (Blue Chip Feed)
Super Concentrated Ulsa-Cool Balancer from Blue Chip Feed is intended for any horse or pony at any level of exercise. This balancer is designed to support hoof health, immunity, and coat condition.
Super E – Equi-Shine (Doctor’s Choice)
Super E by Doctor's Choice is a vitamin E supplement that provides 2500 IU per half ounce serving. An average 500 kg horse requires 1000 - 2000 IU of vitamin E daily.
Total Immune Blast (Ramard)
Total Immune Blast from Ramard is a supplement that can be given to horses or foals to boost immunity. It is meant to help horses recover from illnesses or help assist in preventing them. It can also help fight free radicals, help with breathing, and develop bone marrow.
Total Wellness (KER)
Total Wellness is a supplement from Kentucky Equine Research. This supplement contains ingredients such as MSM, Biotin, and Glucosamine intended to promote joint health, and coat quality in horses.
UltraCruz Equine Garlic Flakes (Santa Cruz Animal Health)
UltraCruz Equine Garlic Flakes provides 10 grams of dehydrated garlic flakes per serving. Garlic is purported to support respiratory health and the immune system in horses.
Vitamin E/C (Stride Animal Health) – [Discontinued]
This supplement from Stride Animal Health provides antioxidants by containing vitamin E and vitamin C. This assists the body in maintaining healthy tissues and cells and increasing immunity.
WellSolve Well-Gel (Purina Mills)
WellSolve Well-Gel from Purina Mills is a concentrated source of protein, vitamins and minerals for horses. WellSolve Well-Gel is intended to support overall equine health.
Wheat Germ Oil Blend (Cox Vet Lab)
Wheat Germ Oil Blend is a liquid supplement intended to provide horses and ponies with Vitamin A, D, & E. Wheat Germ Oil can be beneficial for skin and coat health.
Yeast XP (Diamond V)
Diamond V® XP yeast is a proprietary microbial fermentate formulated with Saccharomyces cerevisiae yeast. This feed additive helps to support digestion and immune health.
Yoder’s Horse Powder (Yoder’s)
Yoder's Horse Powder is a powdered supplement intended to boost horses' immune system. This supplement contains a mixture of herbs intended to help horses who are troubled with respiratory issues.



















