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.
Metaslim (Simple System Horse Feeds)
Metaslim is a pelleted equine feed designed for horses who have metabolic issues. It is a highly palatable feed suitable for overweight horses.
MetaStable Pellets (Formula 707)
MetaStable Pellets by Formula 707 is a metabolic supplement designed to support healthy blood sugar balance and promote weight loss. It contains added leucine and pyridoxine (Vitamin B6) to enhance insulin sensitivity and aid in glucose regulation.
Methionine
Methionine is an essential amino acid that is considered the second or third limiting amino acid in the horse's diet. It is necessary for protein synthesis and has numerous bodily roles, including antioxidant production, hoof growth, coat quality, and protein synthesis.
MFM Pellet (Kentucky Equine Research)
MFM Pellet is a supplement that is made to assist with muscle recovery and repair and contains amino acids.
Microbiome Support (Dynavyte)
Microbiome Support by Dynavyte is a probiotic supplement intended to support gut health in horses.
MicroBiome Support (Equi-Force)
MicroBiome Support is a supplement intended to promote gut health. It is ideal for performance horses or horses in heavy work. It is recommended for horses that have gone off feed and that are on antibiotics.
Microvit H Promix Biotin 2% (Adisseo)
Microvit H Promix Biotin 2% by Adisseo is a vitamin additive that contains 20,000 mg per kg of biotin. Biotin, also known as vitamin B7, is required in the horse’s diet for the production of keratin – the main protein that forms a strong, durable hoof structure.
MicroVital (St.Hippolyt)
MicroVital by St.Hippolyt is a pelleted supplement intended to support horses deficient in trace minerals and vitamins.
Milestone Optimize Horse Supplement (Muenster)
Optimize Horse Supplement is a high-fat feed intended to provide more energy to breeding horses and performance horses. It contains nutrient dense ingredients such as coconut meal and flaxseed.
Milk & Grow Pellets (Uckele)
Milk & Grow Pellets is a vitamin, mineral, probiotic, and amino acid pelleted supplement formulated for lactating and gestating mares as well as growing foals that have increased nutrient demands.
Milk Of Magnesia (Golden Horseshoe)
Milk Of Magnesia by Golden Horseshoe is a liquid gastrointestinal health supplement. It is formulated with magnesium hydroxide.
Milk of Magnesia PLUS (Cox Vet Lab)
Milk of Magnesia PLUS is a liquid supplement of calcium and magnesium intended for performance horses. It may also be beneficial for horses undergoing stressful situations.
Milk Thistle (Cox Vet Lab)
Milk Thistle from Cox Vet Lab is a liquid supplement intended to support healthy liver function. Milk Thistle from Cox Vet Lab is apple flavoured to improve palatability.
Milk Thistle (Equestrizone)
Milk Thistle from Equestrizone is a powdered supplement that supports healthy liver function in horses. It supports the natural regenerative process of liver cells.
Miner High Phosphorus (Krafft)
Miner High Phosphorus by Krafft is a pelleted mineral supplement intended to balance high levels of calcium in available forage. It is designed for horses in all levels of work.
Miner Original (Krafft)
Miner Original by Krafft is a pelleted mineral supplement intended for horses in moderate work. It is designed for horses with access to low quality forage.
Miner Original Powder (Krafft)
Miner Original Powder is a mineral supplement intended for horses in moderate work that have assess to low quality forage.
Miner Summer (Krafft)
Miner Summer by Krafft is a mineral supplement intended for horses mainly on pasture or a forage diet, especially if the mineral content is insufficient.
Miner VitaMinerals (Krafft)
Miner VitaMinerals by Krafft is designed for high-performance horses that have access to forage with insufficient mineral levels.
Mineral & Vitamin Formulation (Wild Gold)
Wild Gold Mineral and Vitamin Formulation is an equine supplement containing probiotics, prebiotics, zeolite clay, salt, trace minerals, and vitamins, including biotin
MinerEQ (Omega Alpha)
MinerEQ by Omega Alpha is a powdered vitamin and mineral supplement for horses that provides essential minerals, trace elements, vitamins, and antioxidants to maintain good health.
Mint & Garlic (NAF Equine)
Mint & Garlic by NAF Equine is a granular horse supplement that intends to support everyday general health and aid in palatability with a blend of pure garlic and mint.
Mint Balancer (Horslyx)
Mint Balancer from Horslyx is designed for all horses and ponies, both competition and leisure, stabled and grass kept. This balancer contains peppermint oil to help support palatability and biotin to support hoof health.
Mintrex Mn (Novus International)
MINTREX® Mn is a highly bioavailable chelated organic manganese supplement used in livestock feeds. Organic trace minerals are better absorbed and utilized in the horse's body.
Mintrex R 2.0 (Novus International)
Mintrex R 2.0 is an organic trace mineral supplement containing chelated zinc, copper and manganese in an amino-acid complex with methionine. It also supplies ascorbate (Vitamin C).
Mobility (Dodson & Horrell)
Mobility by Dodson & Horrell is an herbal supplement that supports joint, bone, and muscle integrity in horses and ponies. This supplement contains herbs such as comfrey leaf, dandelion, and nettle.
Mobility Balancer (Horslyx)
Mobility Balancer from Horslyx is designed to support joint health and mobility and hoof health. This balancer is intended for active horses of all ages, specifically performance and senior horses.
Mollichaff Alfalfa Oil (HorseHage)
Mollichaff Alfalfa Oil from HorseHage contains alfalfa and soya oil, making the feed highly palatable. This feed provides a slow release of energy and supports healthy skin and coats in horses.
Mollichaff Calmer Complete (HorseHage)
Mollichaff Calmer Complete from HorseHage contains elevated levels of magnesium, vitamin B1, B12, and vitamin E to support a healthy nervous system. This feed is ideal for nervous or excitable horses and ponies.
Mollichaff Condition Complete (HorseHage)
Mollichaff Condition Complete from HorseHage contains a blend of alfalfa, oat straw, fiber pellets, barley, soya flakes, soya oil, and mint. This feed is ideal for performance horses and overweight or underweight horses.
Mollichaff Extra (HorseHage)
Mollichaff Extra from HorseHage contributes to a balanced diet and optimal horse health. This feed is intended for all horses and ponies at any work level. This feed has an NSC value of 16.5%.
Mollichaff Herbal (HorseHage)
Mollichaff Herbal from HorseHage contains garlic, mint, rosemary, and golden rod. The mixture of herbs supports appetite, the respiratory system, and digestive health. This herbal supplement is ideal for all horses and ponies.
Mollichaff Original (HorseHage)
Mollichaff Original from HorseHage adds extra essential fibres making this feed ideal for any horse or pony. This feed supports strong bones, healthy growth, and digestive health.
Mollichaff ShowShine (HorseHage)
Mollichaff ShowShine from HorseHage contains high oil to support coat quality and cherry flavouring to enhance palatability. This feed is ideal for performance horses and ponies.
MoorGLO (ADM Animal Nutrition)
ADM MoorGLO is a high-fat feed formulated for exercising horses and those that need to gain body condition. It is designed to be a palatable energy source with rice bran, flaxseed and vegetable oil.
MoviCur (St.Hippolyt)
MoviCur by St.Hippolyt is a supplement intended to support the overall health of tendons, ligaments and joints in horses.
MSM (Hestevard)
MSM by Hestevard is a pure MSM supplement intended to support the cartilage, tendons and joints of all horse types.
MSM (NAF Equine)
MSM from NAF Equine is a single ingredient supplement that is intended to support joint and connective tissue health. MSM contains sulfur which is meant to benefit soft tissue, tendons, and ligaments.
MSM (Select The Best)
MSM by Select The Best is a powdered supplement that provides joint support to horses. Methylsulfonylmethane (MSM) is often used for joint support in performance horses.
MSM EQ (Durvet)
MSM EQ by Durvet is a 99% pure MSM supplement intended to support healthy joint function in horses and dogs.
MSM Plus (Herbs for Horses)
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)
Herbs for Horses MSM Plus is a joint supplement containing methylsulfonylmethane (MSM), glucosamine, vitamin C, natural vitamin E, yucca extract, zinc, copper, and manganese.
MSM Powder (The Mill)
MSM Powder from The Mill is a powdered source of organic sulphur for horses. This supplement is intended to reduce inflammation and stiffness in horses.
MSM Pure (Cox Vet Lab)
MSM Pure from Cox Vet Lab is a supplement intended to help support joint health. MSM Pure is ideal for mature and performance horses who require joint support.
MSM+Ester-C Pellets (MVP)
MSM+Ester-C Pellets by MVP is a supplement for horses that intends to support connective tissue and ease discomfort. It contains ingredients such as MSM and Ester-C®.
Mucolyte (St.Hippolyt)
Mucolyte by St.Hippolyt is a supplement intended to support horse's airways and overall immune function.
Multi-Max (West Feeds)
Multi-Max by West Feeds is a top-dressed supplement meant to support most livestock production animals, with a high level of protein of 28%. The ingredients in this feed include inorganic vitamins and minerals and yeast strains to increase digestibility.
Multiflex (Multivet USA Inc)
Multiflex is an equine joint supplement providing glucosamine, chondroitin, MSM, hyaluronic acid, vitamin C and trace minerals involved in maintaining connective tissue. It provides 3750mg of Glucosamine Sulfate per serving.
MultiFly Feed-Thru Fly Control (Formula 707)
MultiFly Feed-Thru Fly Control from Formula 707 is a pelleted additive intended to decrease the fly load on horses. This supplement contains Novaluron.
Multifly Feed-Thru Fly Control (Horse Logic Pro) – [Discontinued]
Multifly Feed-Thru Fly Control from Horse Logic Pro is a pelleted supplement intended to decrease the fly load on horses. This supplement contains Novaluron which is intended to decrease the number of flies in horse manure.



















