Identify gaps in your horse's nutrition program to optimize their well-being.
Supplement - Feed Database
View a list of supplements for horses in Mad Barn’s equine feed database. Compare ingredients and nutritional profiles to choose supplements and products for your horse.
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.
Acetyl-L-Carnitine (Mad Barn)
Acetyl-l-carnitine (ALCAR) is a performance horse supplement that supports energy metabolism, muscle function and neural health. This powdered supplement has a low feeding rate and is generally well accepted by horses.
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
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.
B-Vitamin Pak (Mad Barn)
B-Vitamin Pak is a comprehensive B-vitamin supplement in powder form. It provides a balanced profile of the B-Complex vitamins and may be beneficial for horses during times of heavy work, stress, or illness.
Biotin (Mad Barn)
Biotin Powder from Mad Barn provides 20 mg of biotin per serving support hoof growth and quality, as well as skin and coat health. Biotin is a B vitamin which supports strong hooves and connective tissues such as tendons. Biotin is highly palatable and easy to feed.
Chasteberry (Mad Barn)
Chasteberry powder supports mood balance in mares and aggressive horses. Chasteberry supplementation may support the normal function of the pituitary gland.
Copper (Mad Barn)
Copper is an essential mineral in horses' diets. Copper is often supplemented with Zinc to help balance high-iron hay. Copper is involved in healthy skin and bone development.
DL-Methionine (Mad Barn)
Methionine is an essential amino acid that is important for maintaining healthy tendons, ligaments, and hooves. Growing horses and horses who are in heavy exercise have a higher demand for methionine and would benefit from supplementation.
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.
MagneChrome (Mad Barn)
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
Magnesium Oxide (Mad Barn)
Magnesium Oxide is a concentrated source of mineral magnesium that can be added to equine diets. Magnesium supplementation has been shown to have a calming effect in nervous horses, as well as support proper muscle function.
Manganese Proteinate (Mad Barn)
Manganese Proteinate by Mad Barn is a mineral supplement designed to support bone and joint health
Milk Thistle (Mad Barn)
Milk Thistle has potent anti-oxidant and anti-inflammatory effects for horses. Milk Thistle supplementation may help support liver function and detoxification.
Monosodium Phosphate (Mad Barn)
Monosodium Phosphate is a highly bioavailable source of phosphorus commonly used as an equine supplement. Phosphorus is considered an important component for metabolic function. Adult horses require 17 grams of phsophours a day.
MSM – Methylsulfonylmethane (Mad Barn)
MSM is a readily available form of the mineral sulfur. It is beneficial for supporting healthy connective tissue, recovery, and hoof and joint health. MSM from Mad Barn also helps to relieve arthritic pain and sore muscles. It is considered very safe as a supplement for horses.
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.
Natural Vitamin E (Mad Barn)
Natural Vitamin E from Mad Barn is a powdered Vitamin E supplement for horses. Vitamin E is essential for immune function, exercise recovery, neurological health and cardiovascular health in horses.
NOCR (Mad Barn)
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.
Omneity P – Pellets – Vitamin & Mineral Supplement (Mad Barn)
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.
Omneity Premix – Vitamin & Mineral Supplement (Mad Barn)
Omneity Premix is a balanced mineral and vitamin supplement for horses providing 100% organic trace minerals, complete B-vitamin fortification, added Vitamin E, yeast, and digestive enzymes.
Optimum Digestive Health Pellets (Mad Barn)
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)
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)
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.
Psyllium (Mad Barn)
Psyllium by Mad Barn is a powdered psyllium supplement that supports digestion and gut health in horses. It absorbs water in the digestive tract, helping support normal gut motility and manure consistency, and is beneficial for horses exposed to sandy conditions, environmental stress, or dietary changes.
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.
Three Amigos (Mad Barn)
Three Amigos is an equine essential amino acid supplement containing lysine, methionine, and threonine in a 5:3:2 ratio. These are the three most common limiting amino acids in the horse's diet.
Threonine (Mad Barn)
Threonine is an essential amino acid that is required to be supplied in equine diets as it cannot be synthesized endogenously. Threonine supplementation may improve nutrient absorption.
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.
Visceral+ (Mad Barn)
Visceral+ by Mad Barn is a pelleted supplement to be used for horses with gastric health concerns. It is designed to maintain stomach and hindgut health and to support the immune system.
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.
Omegas (Meal) (MVP)
Omegas by MVP is a premixed skin and coat supplement for horses that combines Omega 6 and Omega 3 essential fatty acids sourced from flax seed, wheat germ, soy and coconut oil.
Omegatri (Equi-Force)
Omegatri is a omega-3 supplement intended to promote immune health and antioxidant effects. It contains flaxseed oil, sunflower oil, and olive oil.
Open Air (Peak Performance Nutrients)
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.
Opti-Ferm Horse Tub (ClariFly) (Kalmbach Feeds)
Opti-Ferm Horse Tub with Clarifly by Kalmbach Feeds is an energy, vitamin and mineral supplement lick. It contains Diflubenzuron, which reduces the emergence of flies from manure.
Opti-Ferm Horse Tubs (Kalmbach Feeds)
Opti-Ferm Horse Tub by Kalmbach Feeds is an energy, vitamin, and mineral supplement lick. It contains added molasses and fat for palatability and 10 mg/lb of added biotin for hoof health.
Opti-Ferm Lix 16% All Stock (Kalmbach Feeds)
Opti-Ferm Lix 16% All Stock by Kalmbach Feeds is an energy, vitamin, and mineral supplement tub. It is intended for cattle, sheep, horses, and goats on moderate to high quality forage.
Opti-Zyme (Manna Pro)
Opti-Zyme from Manna Pro is a blend of probiotics, yeast, and enzymes intended to provide digestive health support. These additives can improve fibre digestion and nutrient absorption from the gut.
Optimize (Uckele)
Optimize is a pelleted ration balancer with a feeding rate of 1-2 lbs per day. It is formulated for horses needing a low starch and sugar diet, such as horses with metabolic disorders. The NSC content in this ration balancer is 7.8%
Optimum EQ 2.0 (BioStar)
Optimum EQ 2.0 by BioStar is a vitamin and mineral supplement containing amino acids and mineral proteinates.
Optimum EQ Bars (BioStar)
Optimum EQ bars are a whole food supplement for horses containing spirulina, oat bran, chia seeds, coconut oil, and other organic ingredients meant to supply nutrients and minerals to the equine diet.
Optimum Flex Plus (DAC)
Optimum Flex Plus by DAC is a powdered joint supplement designed to support joint health and mobility. Its formula includes MSM, glucosamine, and chondroitin sulfate.
Optimum GI (BioStar)
Optimum GI from BioStar is a powdered gut health supplement. Optimum GI contains vitamins, antioxidants, minerals and fatty acids intended to support whole horse health. This supplement is intended to support normal digestive function.
Optimum Senior JS 2.0 (BioStar)
Optimum Senior JS 2.0 by BioStar is a powdered vitamin and mineral supplement formulated to support joint health in senior horses. It contains glutamine as well as the omega-3 fatty acids EPA and DHA.
Orange Superior (DAC)
Orange Superior is a vitamin and mineral supplement that can be given to any mature horse, and is meant to support metabolic functions, energy balance, and also provides probiotics.
Organic Chia Seeds (Getty Equine Nutrition)
Organic Chia Seeds by Getty Equine Nutrition is a textured supplement that provides help with inflammatory conditions such as ulcers, injuries, and stress responses. It also offers protein to support tissue maintenance and repair.
Organic Equine Hemp Hearts (Equine Chia)
Organic Equine Hemp Hearts by Equine Chia is an organic hemp heart supplement intended to support overall health in all classes of horses.
Organic Essential Mag (Pennwoods)
Organic Essential Mag by Pennwoods is a magnesium supplement formulated for horses. Magnesium supports metabolic health and helps promote a calm, balanced demeanour in horses.
Organic Ground Flaxseeds (Getty Equine Nutrition)
Organic Ground Flaxseeds by Getty Equine Nutrition is a textured supplement that provides protein, energy, dietary fibre and omega-3 fatty acids for coat health and weight gain.
Organic Hemp Protein 74% (Getty Equine Nutrition)
Organic Hemp Protein 74% by Getty Equine Nutrition is a powdered supplement that provides 20 amino acids, a high level of 74% protein, fibre, antioxidants, and omegas. It is made using the hemp heart instead of the whole hemp seed.
Organic Hemp Seed Heart Oil (Getty Equine Nutrition)
Organic Hemp Seed Heart Oil by Getty Equine Nutrition is a liquid supplement that provides omega-3's, 6's, and 9's and contains GLA to reduce inflammation. It does not contain CBD or THC.
Original 12 Textured (McCauley’s Equine Formulas)
Original 12 Textured is a palatable oat-based feed targeted to broodmares and stallions. It is formulated with added yeast and organic minerals. It is designed to promote healthy gut function.
Original 14 Textured (McCauley’s Equine Formulas)
McCauley's Original 14 Textured is an oat-based feed for stallions, breeding, growing, and performance horses. It is fortified with organic minerals and contains yeast for digestive health.
Original 16 Textured (McCauley’s Equine Formulas)
McCauley's Original 16 Textured is an oat-based horse feed for breeding and growing horses. It contains higher protein (16%) to meet the needs of growing yearlings and lactating broodmares.
Original Balancer (Horslyx)
Original Balancer from Horslyx is intended to balance nutrient deficiencies in horses and ponies who eat primarily forage or grass. This product contains cane molasses to help palatability and biotin to support hoof health.
Original Cold-Pressed Camelina Oil Equine (Wild Gold)
Original Cold-Pressed Camelina Oil Equine by Wild Gold is a liquid supplement that is meant to provide omega 3s, omega 6s, and vitamin E. This supplement is meant to promote anti-inflammatory properties and healthy skin and coat.
Original Multi Balancer (Spillers Feeds)
The Original Multi Balancer from Spillers Feed is cereal grain-free, low in sugars, and low in starches. This feed is high in Vitamins and minerals such as Vitamin A, Vitamin D3, Vitamin E, Copper, and Zinc.
Original Performance Formula (Wilson Feeds)
Original Performance Formula by Wilson Feeds is a soy-free supplement intended to fill nutritional gaps of horses on a forage-based diet.
Original Yeast YC (Diamond V)
Diamond V Yeast Culture™ (Original YC™) is a feed ingredient made by fermenting bakers yeast (Saccharomyces cerevisiae) on a cereal grain culture-media. It can be added to equine diets to support hindgut health.
Orphan Foal Supplement (Dunstan)
Orphan Foal by Dunstan is a palatable, digestible feed intended for introducing foals to solid feed. It is a blend of milk powder, vegetable proteins, cereals, vitamins and minerals. It is intended to encourage the transition from milk to solid diet.
OrSel-50 (Hestevard)
OrSel-50 by Hestevard is a powdered selenium plus vitamin E supplement, it is intended to support immunity and a healthy metabolism in horses and ponies with a vet diagnosed selenium deficiency.
OrZin-40 (Hestevard)
OrZin-40 by Hestevard is powder supplement containing zinc, it is intended to support healthy skin and coat in horses and ponies deficient in Zinc.
Osceola 10 (Seminole)
Seminole Osceola 10 is a textured feed with corn, oats, and molasses for mature pleasure horses with a high 48% NSC (sugar & starch) content. This feed contains yeast culture and antioxidants.
Oste:Form (Equestrizone)
Oste:Form from Equestrizone is an equine supplement containing essential nutrients for bone metabolism in growing and mature horses. Oste:Form contains Vitamin K, Vitamin D and calcified seaweed to support bone density.
Osteo-Gen (Equi-Force)
Osteo-Gen is a supplement that is intended to promote bone health and cartilage repair. It is suitable for horses of all ages and work levels.
Osteo-Max (100x Equine)
Osteo-Max from 100x Equine is a liquid joint supplement for horses. Osteo-Max is intended to support bone remodeling and increase bone density.
Osteo-Sil (Equi-Force)
Osteo-Sil is a liquid mineral supplement intended to promote bone health. It is suitable for horses of all ages and work levels.
OsteoAid (Herbs for Horses)
OsteoAid from Herbs for Horses is formulated with devil's claw, feverfew, ginger, and turmeric. OsteoAid is intended to be a natural alternative to bute.
Osteon (Platinum Performance)
Osteon from Platinum Performance is a supplement that is meant to support healthy bones, tendons, and ligaments. It contains a natural form of silicon, zeolite. It can also help with recovery and broodmare health.
Outlast Gastric Support Supplement (Purina)
Purina® Outlast® Gastric Support Supplement is an equine gut product designed to support gastric health and pH balance. The primary active ingredients include alfalfa and seaweed-derived calcium.
Outshine (Baileys Horse Feeds)
Outshine by Baileys Horse Feeds improves coat quality and supports horses who need slow-release calories for weight gain. This supplement contains Omega-3 and Omega-6 fatty acids.
Pagophyt (Hestevard)
Pagophyt by Hestevard is a liquid supplement containing Devil's Claw, it is intended to support joint mobility in horses. This supplement is not suitable for pregnant mares, and regulations should be checked for competing horses.
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.
Parkmore Special Vitamin/Mineral Pelleted Supplement (Parkmore Supplements)
Parkmore Special Vitamin/Mineral Pelleted Supplement is a trace mineral and vitamin supplement designed for all ages and working classes of horses. It can be fed in addition to grain or on its own.
Pastime (McCauley’s Equine Formulas)
Pastime is an oat-based pelleted feed for adult horses at maintenance or in light work. It targets pleasure horses with lower energy density and fat content.
Pasture Lick (DAC)
Pasture Lick by DAC is a vitamin and mineral supplement lick for mature horses. It is formulated with Vitamin E, biotin, and yeast.
Pasture Lick (Saracen Horse Feeds)
Pasture Lick is a vitamin and mineral lick intended to be supplied to horses on pasture or on a forage-based diet.
Pasture Plus (Dunstan)
Pasture Plus by Dunstan is an extruded mineralized nugget intended to supply the mineral requirements of pregnant mares that live on pasture. It is formulated for New Zealand Horses living under the environmental conditions found in New Zealand.
Patriot 36 Ration Balancer (ADM Animal Nutrition)
Patriot 36 Ration Balancer by ADM Animal Nutrition is a pelleted supplement that provides protein, vitamins, and minerals for all types of horses. It should be fed along with hay or pasture (forage) and any grain or concentrate feeds.
Pectigus ADVANCED (Hestevard)
Pectigus ADVANCED by Hestevard is a pelleted supplement intended to support gut function and health in horses requiring regular maintenance, and horses during intense training, competition, or recovery.
Pectilin (Hestevard)
Pectilin by Hestevard is a liquid gut supplement intended to support healthy gut motility in horses, weanlings and foals.



















