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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.

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 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 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 powder supports mood balance in mares and aggressive horses. Chasteberry supplementation may support the normal function of the pituitary gland.

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.

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 powder supports circulation, muscle function, and respiratory health in horses. Jiaogulan has been shown to increase blood flow to horses' hooves.

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 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 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.

Milk Thistle has potent anti-oxidant and anti-inflammatory effects for horses. Milk Thistle supplementation may help support liver function and detoxification.

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 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 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 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.

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 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 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 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.

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 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.

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 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 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 from Mad Barn is a balanced equine supplement providing 100% organic (chelated) trace minerals. Ingredients include selenium, zinc, copper, and manganese.

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 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 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.

Purina Omega Match Ahiflower Oil is a fat supplement that is a source of omega-3 and omega-6 fatty acids. Ahiflower is a wildflower cultivated for its oilseed. Research suggests it is more readily converted into anti-inflammatory eicosapentaenoic acid (EPA) than flaxseed oil.

Purina Omega Match Ration Balancer is a pelleted feed intended for horses at any activity level and life stage. It is designed to fill nutrient gaps from forage or unfortified grains.

Omega Wafer is a supplement intended for adult horses and ponies. The supplement contains Omega 3-6-9 Fatty Acids which help support healthy coats and hooves.

Omega Yearling by Advantage Edge is a pelleted feed that intends to support health, vigour and growth for weanlings and yearlings. It contains ingredients such as flaxseed, pulse seed, and alfalfa meal.

Omega-3 Fatty Acid Support by Equine Elixirs is a liquid supplement that provides EPA and DHA, two omega-3 fatty acids, sourced from algae. It is specifically formulated to promote general health and improve coat condition in horses.

Omega-E from Custom Equine Nutrition is a vitamin E and omega-3 fatty acid supplement. It provides 2500 IU of natural vitamin E per serving and contains stabilized flax to provide fatty acids.

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 is a omega-3 supplement intended to promote immune health and antioxidant effects. It contains flaxseed oil, sunflower oil, and olive oil.

Omolene 300 Growth is a textured feed designed for foals, weanlings, yearlings and mares in gestation or lactation. It contains 16% crude protein, 6% crude fat and 7% fibre.

Purina® Omolene® #200 RT is a textured feed intended for performance horses, providing 6% fat and 14% fibre. Energy sources include whole grains and a soy oil-molasses blend.

Purina® Omolene® #400 Complete Advantage is a textured complete feed intended for active pleasure and senior horses. It contains beet pulp shreds, vegetable oils, and a soy oil-molasses blend to improve palatability.

Purina® Omolene® 400 Complete Advantage RT is a textured feed intended for performance horses. It is a calorie-dense blend of 8% fat, 16% fibre and grains.

Omolene #500® Competition is a textured feed intended for performance and endurance athletes and horses in heavy work. It provides a higher energy density with 8% fat.

Omolene 100 Active Pleasure Horse Feed is a textured feed targeted to horses in maintenance to moderate work. It provides 10% crude protein, 10% fibre and 4.5% fat.

Omolene 200 Performance Horse Feed is a textured feed targeted to performance horses, broodmares in gestation and lactation, and breeding stallions. It contains added fat, carbohydrates, and molasses to support high caloric needs.

Omolene 400 Complete Advantage is a textured horse feed for active and senior horses. It contains highly digestible fibre from beet pulp and fat from vegetable oils, flax seed and rice bran.

OO16 from Hallway Feeds is a complete horse feed that contains "Oats Only" and no corn. With a 16% protein content, it is formulated for growing horses and lactating mares.

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-GROW Foalstarter by Havens Horsefeed is intended for foals up to 18 months of age. It contains 16% protein and include ingredients such as wheat, soybean meal, corn gluten feed, and whey powder.

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 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 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.

Orchard Grass Pellets by Mountain Sunrise Feed Co is a pelleted feed that is intended to replace loose hay or supplement pasture for most livestock. It does not contain bentonite, binders, or fillers.

Orchard Hay Pellets by Star Milling Co is a forage replacement pellet consisting of chopped orchard and grass hay. It contains a minimum of 9% crude protein and contains no added minerals or vitamins.

Orchard grass silage can be used as an alternative to hay in equine diets if necessary. Orchard silage that is harvested at an earlier growth stage provides high protein and lower fibre content.

Orchard grass silage is a common feed for cattle. It can be used as an alternative to hay in equine diets when forage availability is low. High protein, low fibre orchard grass silage should be fed in moderation and only to horses with higher energy demands.

Orchard grass is grown throughout North America and used for pasture, hay and silage for horses. Silage is fed as an alternative to hay in equine diets if necessary.

Organic Alfalfa Pellets from Silver Sage Farm are made from chopped organic alfalfa hay. Organic Alfalfa Pellets are 16% crude protein and intended to be fed to horses, cattle, goats and sheep.

Organic Black Cumin Seed Press Cake by Headley Holistics is a horse supplement that contains protein, fibre and minerals. It is designed for all working classes of horses.

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 by Equine Chia is an organic hemp heart supplement intended to support overall health in all classes of horses.

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 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% 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 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.

Nature’s Helper Multi-Species Organic Whole Black Chia Seeds can be fed as a source of fibre and omega-3 fatty acids. Chia seeds are a source of calcium, phosphorus, magnesium, potassium, iron, zinc, and copper.

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.

McCauley's Original® 14 Pelleted is a pelleted horse feed with 14% protein to meet the needs of breeding and growing horses. This oat-based formula contains 3.5% fat and 12% fibre.

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.

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 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.

McCauley's Original® 12 Pelleted is a palatable and digestible oat-based feed for broodmares and stallions. It provides 12% protein, 12% fiber, 3.5% fat, and contains organic minerals.

Seminole Osceola 12™ is a textured grain-based feed with high NSC levels (44%) intended for mature pleasure horses. Energy sources include corn, oats, wheat, soybean meal and cane molasses.

Seminole Osceola 14™ is a textured feed with higher protein levels for growing, breeding, or performance horses. It has a high NSC value of 39% from grain-based ingredients.

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 from 100x Equine is a liquid joint supplement for horses. Osteo-Max is intended to support bone remodeling and increase bone density.

Osteo-Sil is a liquid mineral supplement intended to promote bone health. It is suitable for horses of all ages and work levels.

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.

Ground oyster shells are sometimes used in livestock feeds as a soluble source of calcium. It is primarily used in the diets of egg-laying chickens.

Palisade grass, also known as bread grass, is a perennial grass that grows well in hot, arid climates. It is a high-NDF forage that can be cut and fed as green chop to ruminants.