Omneity® Pellets

Ascorbic acid, or Vitamin C, is a water-soluble antioxidant that plays an essential role in protecting cells from oxidative stress and supporting connective tissue health. It acts as a cofactor for enzymes involved in the synthesis of collagen, carnitine, and certain neurotransmitters, and it helps regenerate other antioxidants such as Vitamin E.

Horses are able to synthesize Vitamin C endogenously in the liver from glucose through the L-gulonolactone oxidase pathway. Under most conditions, this production is sufficient to maintain normal physiological levels. However, supplementation may be beneficial during periods of intense exercise, heat stress, illness, transportation, or aging, when hepatic synthesis or antioxidant demand may be compromised.

Fresh pasture is a natural source of ascorbic acid, while hay and stored feeds contain negligible amounts due to oxidation losses. Supplemental Vitamin C may help maintain immune competence and antioxidant balance in horses with limited pasture access or increased metabolic stress.

Aspergillus niger fermentation product provides a natural source of digestive enzymes that support efficient nutrient breakdown and absorption. The fermentation process yields enzymes such as amylases, proteases, cellulases, hemicellulases, and glucosidases that act on complex carbohydrates, fibers, and proteins within the gastrointestinal tract.

By enhancing the enzymatic digestion of feed components, these bioactive compounds promote improved nutrient release and support a balanced hindgut microbiome. This contributes to optimal fermentation, energy availability, and digestive comfort in horses consuming high-fiber or performance diets.

Aspergillus niger–derived enzyme products are commonly used in equine nutrition to support feed efficiency and maintain normal gastrointestinal function. Their use in Optimum Digestive Health helps promote consistent nutrient utilization and overall gut resilience.

Biotin (vitamin B7) is a water-soluble vitamin that functions as a coenzyme for carboxylase enzymes involved in carbohydrate, lipid, and amino acid metabolism. It also plays a structural role in keratin synthesis, contributing to the integrity of hooves, skin, and coat.

Biotin is not synthesized by the horse in sufficient quantities and must be obtained from dietary sources such as fresh pasture, alfalfa, oats, barley, and soybean meal. Supplementation with biotin has been shown to support normal hoof growth rate, hardness, and horn quality, especially in horses with brittle or weak hoof walls.

Clinical studies in horses demonstrate that daily biotin intake of approximately 20 mg supports the development of strong, resilient hoof horn when provided consistently over several months. Biotin also contributes to normal cellular metabolism and energy production through its role in enzymatic reactions within mitochondria.

Calcium carbonate is a natural mineral salt and a primary supplemental source of calcium in equine nutrition. Calcium plays essential roles in bone and teeth formation, muscle contraction, blood coagulation, nerve transmission, and intracellular signaling. It also contributes to maintaining the calcium-to-phosphorus balance necessary for skeletal integrity and metabolic function.

As a feed ingredient, calcium carbonate — often referred to as limestone flour — provides a highly bioavailable form of calcium. It is commonly included in diets for growing, lactating, or heavily exercised horses with elevated calcium demands, or when forage calcium levels are low.

In addition to its nutritional function, calcium carbonate serves as an excipient and carrier in supplement formulations, improving product stability and flowability in powdered or pelleted mixes.

Calcium iodate is a stable, bioavailable source of iodine used in equine diets to support normal thyroid hormone synthesis. Iodine is required for the production of thyroxine (T4) and triiodothyronine (T3), hormones that regulate metabolic rate, growth, thermoregulation, and energy utilization.

By contributing to normal thyroid function, calcium iodate helps maintain energy balance, muscle performance, and overall metabolic efficiency. Compared to other iodine sources such as potassium iodide, calcium iodate provides superior oxidative stability and shelf life in mineral premixes and pelleted feeds.

Iodine requirements in horses depend on workload, diet composition, and life stage. Supplementation ensures adequate intake where soil or forage iodine levels are low or variable, supporting consistent thyroid hormone activity and metabolic health.

Calcium-D-pantothenate is the stable, supplemental form of pantothenic acid (vitamin B5), a water-soluble vitamin essential for cellular energy metabolism. It is a structural component of coenzyme A (CoA) and acyl-carrier proteins, which are required for carbohydrate oxidation, fatty acid synthesis, and amino acid metabolism.

Pantothenic acid supports the synthesis of steroid hormones, neurotransmitters, and acetylcholine, and contributes to maintaining healthy skin, coat, and hoof tissue. In horses, adequate B5 levels help sustain normal metabolic activity and recovery during periods of stress or high workload.

Deficiency is uncommon, as pantothenic acid is supplied by forages, grains, and microbial synthesis in the hindgut. However, horses with digestive disturbances, high-grain diets, or antibiotic use may benefit from additional supplementation to maintain optimal nutrient utilization.

Choline is an essential nutrient that functions as a structural component of cell membranes, a methyl group donor in metabolic reactions, and a precursor for the neurotransmitter acetylcholine. It plays critical roles in liver function, lipid transport, and nervous system communication.

In equine nutrition, choline is considered a vitamin-like compound closely associated with the B-vitamin group. It contributes to normal fat metabolism and supports hepatic and muscular energy balance. Although horses can synthesize some choline endogenously, requirements may increase under metabolic stress, high performance demands, or when diets are low in methyl donors such as methionine or folate.

Choline also influences intestinal and hepatic lipid metabolism and may contribute to maintaining normal gut function through its effects on phospholipid synthesis and membrane integrity. Supplementation with bioavailable forms such as choline chloride or phosphatidylcholine supports these physiological roles in horses.

Cobalt carbonate is an inorganic source of cobalt, an essential trace mineral required for the microbial synthesis of vitamin B12 (cobalamin) in the equine hindgut. Vitamin B12 is necessary for red blood cell production, energy metabolism, and the conversion of propionate to glucose during exercise, contributing to normal stamina and metabolic function.

In horses, cobalt status influences hindgut fermentation and nutrient utilization. The microbes in the large intestine incorporate cobalt into cobalamin, which supports methylation reactions and normal protein, carbohydrate, and fat metabolism. Stable cobalt supply is therefore vital for maintaining vitamin B12-dependent pathways.

Among cobalt sources, cobalt carbonate offers good stability in premixes and comparable bioavailability to organic forms. It is commonly included in trace mineral blends to support overall vitality, especially in horses on hay-based diets or in regions with cobalt-deficient soils.

Copper is an essential trace mineral involved in multiple enzymatic processes that support connective tissue formation, antioxidant defense, and energy metabolism. It is a cofactor for lysyl oxidase, an enzyme required for cross-linking collagen and elastin, helping maintain strong tendons, ligaments, and bone matrix integrity. Copper also contributes to melanin synthesis for normal coat pigmentation and supports red blood cell formation through iron metabolism.

In horses, adequate copper status is associated with joint soundness, tissue repair, and optimal hoof and coat condition. Copper also plays a role in antioxidant defense as part of superoxide dismutase, an enzyme that helps neutralize free radicals generated during exercise or stress.

Organic forms such as copper proteinate are more bioavailable than inorganic sources like copper sulfate or oxide, allowing for more efficient absorption and utilization. Supplementing with organic copper helps maintain normal copper levels in horses consuming forages grown in low-copper soils or diets high in competing minerals such as zinc, iron, or manganese.

Fenugreek (Trigonella foenum-graecum) is an herbal ingredient commonly used in equine supplements to enhance palatability and support normal appetite. Its naturally sweet, maple-like aroma makes feeds more appealing to picky eaters and horses reluctant to consume powdered supplements. By improving feed acceptance, fenugreek helps support consistent intake of fortified rations and targeted nutritional products.

In palatability trials comparing different flavor options, fenugreek has been identified as a preferred flavor in concentrate diets for horses. Research has shown that feeds flavored with fenugreek can increase eating time and improve acceptance compared to other flavor options.

In addition to its flavor-enhancing properties, fenugreek contains bioactive compounds including saponins and soluble fibers such as galactomannans that have been studied for their role in supporting normal metabolic and digestive function. Fenugreek also provides antioxidant compounds that may help support muscle health in horses undergoing training or other forms of physical stress.

Flax oil, also known as linseed oil, is a plant-derived oil extracted from flaxseed and is notable for providing one of the richest natural sources of the omega-3 fatty acid alpha-linolenic acid (ALA). It also contains smaller amounts of omega-6 fatty acids, both of which are essential nutrients that horses must obtain through their diet to maintain normal cellular and metabolic function.

Because of its palatable taste, high omega-3 content, and ease of mixing, flax oil is widely used in equine nutrition to help support normal inflammatory balance, skin health, and coat quality. Omega-3 fatty acids contribute to maintaining a healthy skin barrier and are involved in supporting normal immune and metabolic responses. Flax oil also serves as an effective carrier for long-chain omega-3s such as DHA from algal sources, helping to evenly distribute these beneficial fats in the diet.

As a “cool” calorie source, flax oil provides energy from fat rather than sugar or starch, helping maintain body condition and performance without contributing to excess excitability. Supplemental fats can also increase the overall calorie density of the ration, supporting horses with higher energy demands or those needing assistance with weight maintenance.

As with all dietary adjustments, flax oil should be introduced gradually to allow the digestive system to adapt and to ensure optimal tolerance and nutrient utilization.

Flaxseed, also known as linseed, is a nutrient-dense seed valued in equine nutrition for providing one of the richest natural sources of the omega-3 fatty acid alpha-linolenic acid (ALA). In addition to omega-3s, flaxseed supplies smaller amounts of omega-6 fatty acids, along with fiber and plant-based antioxidants that contribute to overall nutritional support. These essential fatty acids must be obtained through the diet to help maintain normal cellular structure and metabolic function.

Because of its palatable, nutty taste and versatility, flaxseed is widely used in horse feeds and supplements to support normal inflammatory balance, skin health, and coat quality. Omega-3 fatty acids play a role in maintaining a healthy skin barrier and supporting normal immune and metabolic responses.

Folic acid (folate, Vitamin B9) is a water-soluble B-vitamin that functions as a one-carbon donor in DNA synthesis, methionine regeneration, and amino acid metabolism. It supports normal cell proliferation, tissue repair, and red blood cell maturation, processes that are particularly important during periods of growth, training, or recovery.

In horses, folate status reflects both dietary intake and microbial synthesis in the hindgut. Levels may be lower in animals maintained primarily on hay compared with those on fresh forage. Medications that interfere with folate metabolism, such as sulfadiazine or pyrimethamine used in EPM treatment, can also reduce availability, making supplementation beneficial in some cases.

Folic acid helps maintain normal hematologic and mucosal function, contributing to overall metabolic efficiency and recovery from exercise or illness.

Lysine is an essential amino acid and one of the most common limiting nutrients in equine diets. Because it cannot be synthesized by the body, it must be obtained from feed or supplementation. Lysine is required for protein synthesis, muscle development, tissue repair, and growth.

This amino acid is a structural component of collagen and elastin, supporting the strength and resilience of tendons, ligaments, skin, and bone. It also contributes to calcium absorption and immune function by aiding in the production of antibodies, enzymes, and hormones. Inadequate lysine intake can reduce protein utilization, impair growth and muscle maintenance, and limit performance capacity.

Grasses and cereal grains are naturally low in lysine, making supplementation particularly beneficial for horses in training, growing horses, and those on hay-based diets. Providing adequate lysine helps ensure optimal protein metabolism, topline development, and overall performance.

Magnesium is an essential macro-mineral involved in hundreds of enzymatic reactions that regulate energy metabolism, nerve transmission, and muscle contraction. It supports bone integrity, cardiovascular function, and normal insulin sensitivity in horses.

In muscle tissue, magnesium contributes to relaxation following contraction, helping to maintain normal muscle tone and reducing the risk of cramping or tightness. It also plays a role in maintaining a calm temperament by supporting balanced nervous system activity, particularly in horses prone to stress or excitability.

Magnesium oxide is a highly concentrated inorganic source of magnesium commonly used in equine diets. It provides a bioavailable and cost-effective way to maintain optimal magnesium levels, especially for horses with limited access to fresh forage or those losing electrolytes through heavy sweating or training.

Maize distillers' are commonly used as a growth medium for the live probiotic yeast cultures included in Mad Barn supplements. A growth medium is the nutrient-rich material that yeast uses as its food source while it grows and multiplies.

Maize distillers' are particularly well suited for this purpose because they are highly nutrient-dense and rich in protein. The protein provides nitrogen, an essential nutrient that yeast require for growth and reproduction. This nitrogen supports the formation of new yeast cells and helps maintain active cultures during fermentation.

Maize distillers' are produced as a by-product of fermentation processes in which the starch portion of maize is fermented. During this process, much of the original starch and sugar is consumed, resulting in an ingredient that generally contains lower levels of non-structural carbohydrates (NSC) than whole maize grain. While the fermentable carbohydrates are reduced, the remaining material becomes concentrated in nutrients such as protein, amino acids, fats, minerals, and other fermentation substrates that support efficient yeast growth.

When yeast is grown on this medium and the entire culture is included in the final ingredient, both the yeast cells and the surrounding growth medium are delivered together. This is beneficial because the culture contains not only the yeast itself but also a range of naturally produced fermentation metabolites. These may include B-vitamins, organic acids, peptides, nucleotides, and other bioactive compounds that arise during microbial growth.

Providing the medium on which the yeast is grown allows horses to receive both the direct benefits of the probiotic yeast and the supportive metabolites produced during fermentation. Together, these compounds can help support hindgut microbial activity and contribute to overall digestive health, making maize distillers' a practical and functional carrier medium for yeast-based ingredients in equine feeds.

Manganese is an essential trace mineral required for the development of bone, cartilage, and connective tissue in horses. It functions as a cofactor for several key enzymes involved in carbohydrate and lipid metabolism, reproductive health, and antioxidant defense. One of its most important roles is activating the enzyme manganese superoxide dismutase (MnSOD), which helps protect cells from oxidative damage.

This mineral also contributes to the synthesis of chondroitin sulfate, a critical component of joint cartilage, supporting soundness and long-term joint integrity. Adequate manganese intake is therefore particularly important for growing horses, broodmares, and equine athletes with high structural and metabolic demands.

Organic sources such as manganese proteinate offer improved bioavailability compared to inorganic forms like manganese oxide, enhancing absorption and utilization. This allows for more effective support of skeletal strength, enzyme activity, and metabolic efficiency.

DL-Methionine is an essential sulfur-containing amino acid that serves as a building block for proteins involved in metabolism, growth, and tissue repair. Because horses cannot synthesize methionine internally, it must be obtained from feed or supplementation. It is often identified as the second-most limiting amino acid in equine diets, meaning insufficient methionine can restrict overall protein synthesis even when other amino acids are present in adequate amounts.

Methionine supports the formation of structural proteins such as keratin and collagen, contributing to strong hooves, healthy skin, and a glossy coat. It also plays a critical role in maintaining connective tissue integrity, supporting joints, ligaments, and tendons. In the nervous system, methionine assists in the production of neurotransmitters such as serotonin and helps support normal mood and focus.

Biochemically, methionine acts as a precursor for several important compounds, including taurine, L-carnitine, and cysteine. It is also required for the synthesis of S-adenosylmethionine (SAMe), a key methyl donor involved in cellular metabolism, detoxification, and liver health. Through its conversion to cysteine and subsequently glutathione, methionine supports antioxidant defense and helps protect tissues from oxidative stress.

According to the NRC’s Nutrient Requirements of Horses, a 500 kg (1,100 lb) horse at maintenance requires approximately 7,500 mg of methionine per day. Supplementation may be beneficial for horses on high-fiber or low-protein diets, those in heavy training, or horses needing nutritional support for hoof growth and coat quality.

Monocalcium phosphate (MCP) is a highly digestible, inorganic source of both calcium and phosphorus—two macrominerals essential for bone formation, energy metabolism, and overall cellular function in horses. Calcium and phosphorus together make up the majority of the mineral content of bone and play key roles in muscle contraction, nerve transmission, and energy transfer reactions within the body.

Phosphorus supplied through MCP supports normal skeletal growth, cartilage development, and cellular energy production as part of adenosine triphosphate (ATP). The calcium component contributes to bone density, muscle tone, and enzymatic regulation throughout the body. The combination of these two minerals in a single compound helps simplify balancing equine rations while maintaining an appropriate calcium-to-phosphorus ratio.

In equine diets, monocalcium phosphate is used to correct mineral imbalances when forages or grains provide inadequate phosphorus or excessive calcium. This is particularly relevant for horses fed legume-rich diets, such as alfalfa, which are naturally high in calcium but low in phosphorus. By providing a concentrated, bioavailable form of both nutrients, MCP supports optimal bone mineralization in growing horses, lactating mares, and performance animals with elevated mineral demands.

Compared to other phosphate sources, MCP offers excellent palatability, high solubility, and consistent nutrient content. It is considered one of the most efficient and widely used mineral supplements in equine and livestock nutrition for achieving balanced macro-mineral status and supporting long-term skeletal and metabolic health.

Niacin (Vitamin B3) is a water-soluble vitamin essential for maintaining normal energy metabolism, circulatory function, and cellular health. It serves as a precursor for the coenzymes NAD⁺ and NADP⁺, which are critical to oxidation–reduction reactions involved in carbohydrate, fat, and protein metabolism.

In horses, niacin supports efficient energy release from feed, healthy skin and nerve function, and normal vascular tone. It also contributes to gastrointestinal function by promoting tissue metabolism and maintaining mucosal integrity. Horses can synthesize niacin from the amino acid tryptophan and via microbial production in the hindgut, though dietary sources such as alfalfa and soybean meal can also contribute to intake.

Niacin requirements increase with exercise and higher protein intake. Supplemental niacin is included in performance and comprehensive vitamin–mineral formulations to help support energy utilization, metabolic resilience, and circulatory health in working horses.

Pyridoxine (Vitamin B6) is a water-soluble vitamin that serves as a coenzyme in more than 150 enzymatic reactions involved in amino acid metabolism, gluconeogenesis, glycogen utilization, and neurotransmitter synthesis. It supports normal energy metabolism, immune competence, and red blood cell formation.

In horses, Vitamin B6 is synthesized to some extent by hindgut microbes but may require dietary support under conditions of high metabolic demand, such as intense training, growth, or recovery. It also plays roles in maintaining normal homocysteine metabolism and supporting muscle and nervous system function.

Supplementation may be beneficial for horses on high-grain or hay-only diets, under prolonged stress, or with impaired hindgut function that could limit microbial synthesis or nutrient absorption.

Riboflavin (Vitamin B2) is a water-soluble vitamin that serves as a precursor for the coenzymes flavin adenine dinucleotide (FAD) and flavin mononucleotide (FMN), which are essential for oxidative metabolism and ATP generation. These coenzymes participate in numerous redox reactions, supporting carbohydrate, protein, and lipid catabolism.

Riboflavin also contributes to antioxidant defense by maintaining glutathione in its reduced, active form through FAD-dependent glutathione reductase activity. Adequate riboflavin status supports energy metabolism, muscle performance, and recovery in exercising horses.

Horses obtain riboflavin primarily from forage, particularly legumes such as alfalfa and clover, and from microbial synthesis in the hindgut. Deficiency and toxicity have not been documented in horses, though supplementation may support animals on low-quality forage, under high workload, or during periods of digestive disturbance.

Saccharomyces cerevisiae 1026 is a live yeast strain used as a probiotic to support hindgut health and digestive efficiency in horses. It promotes a stable hindgut environment by helping maintain optimal pH and fostering the growth of beneficial cellulolytic bacteria that aid in fiber fermentation.

This yeast strain has been shown to enhance nutrient digestibility, particularly for fiber and phosphorus, and to support normal microbial balance under dietary or environmental stress. It may also improve feed efficiency and promote consistent appetite and digestive comfort in performance horses.

Mad Barn utilizes Yea-Sacc^® 1026 from Alltech^® as its source of Saccharomyces cerevisiae. This strain has been extensively researched for its effects on digestion, microbial ecology, and nutrient utilization in horses and other livestock species.

Selenium is an essential trace mineral and a critical component of the horse’s antioxidant defense system. It is incorporated into selenoproteins that protect cells from oxidative damage, support normal muscle and heart function, and maintain healthy immune and thyroid activity. Adequate selenium intake helps horses recover from exercise and supports overall metabolic health.

Organic forms such as selenium yeast provide selenium bound to amino acids (mainly selenomethionine), making them more bioavailable and efficiently utilized compared to inorganic forms like sodium selenite or sodium selenate. This enhanced absorption allows for safer, more consistent selenium delivery, particularly in performance horses or those in low-selenium regions.

Selenium requirements vary depending on diet, workload, and regional soil content. Horses consuming hay or feed grown in selenium-deficient soils often benefit from supplementation to help maintain optimal antioxidant balance and muscle function.

Sodium chloride (salt) provides two essential electrolytes — sodium and chloride — that are critical for maintaining fluid balance, nerve transmission, and muscle contraction in horses. These minerals help regulate hydration, acid–base balance, and blood volume, particularly during periods of sweating, heat exposure, or strenuous exercise.

Sodium plays a primary role in maintaining normal nerve and muscle function, while chloride is involved in gastric acid production and overall electrolyte homeostasis. Together, they support proper digestion, cardiovascular stability, and the thirst response — all key to optimal performance and recovery.

Forage alone often provides insufficient sodium, so supplemental salt should always be available free-choice. Horses in moderate to heavy work or hot environments may require several ounces of added salt per day to replace sweat losses. Loose salt or electrolyte blends offer a reliable way to maintain hydration and prevent imbalances.

Thiamine (vitamin B1) functions as a coenzyme for key enzymes in carbohydrate metabolism, including pyruvate dehydrogenase, α-ketoglutarate dehydrogenase, and transketolase. Through these reactions, it facilitates ATP generation and supports normal neuromuscular function.

Most horses obtain sufficient thiamine from forage and microbial synthesis in the hindgut, but additional supplementation may be useful in animals under heavy training, stress, or antibiotic therapy that may impair gut microbial activity. Thiamine status influences energy utilization, coordination, and glucose metabolism, making it relevant for performance and recovery in athletic horses.

Rich dietary sources include brewer’s yeast, rice bran, and whole grains, while content in hay declines with age and storage. Thiamine hydrochloride is the most common supplemental form, with documented safety and bioavailability in horses.

Threonine is an essential amino acid and one of the primary limiting amino acids in equine diets, meaning it often limits the rate of protein synthesis when insufficiently supplied. It plays a key role in maintaining normal muscle development, immune function, and digestive health.

Within the gastrointestinal tract, threonine is a critical component of mucin glycoproteins that protect and maintain the gut lining. Adequate threonine intake supports gut integrity, particularly in horses consuming high-grain or low-quality forage diets, or those experiencing digestive stress.

Beyond its role in gut barrier function, threonine contributes to the synthesis of structural proteins, enzymes, and neurotransmitters. It works synergistically with lysine and methionine to optimize amino acid balance, supporting lean tissue development and recovery in growing, performance, or metabolically challenged horses.

Vitamin A (retinol and its precursors such as beta-carotene) is an essential fat-soluble nutrient required for epithelial integrity, vision, immune competence, and reproductive function. It acts through retinoic acid–mediated regulation of gene expression, influencing cell differentiation and tissue repair.

In horses, vitamin A is obtained primarily from beta-carotene in fresh forage, which is converted to retinol in the intestinal mucosa. Because beta-carotene degrades rapidly in stored hay, horses maintained on hay-based diets are at greater risk of low vitamin A status, especially during winter months or periods without pasture access.

Deficiency can result in impaired night vision, reduced immune function, and compromised epithelial health. Supplementation helps maintain adequate plasma retinol concentrations in horses with limited forage diversity or increased physiological demand.

Vitamin B12 (cobalamin) is a water-soluble cofactor for methionine synthase and methylmalonyl-CoA mutase. Through these pathways it supports one-carbon metabolism, red blood cell maturation, myelin maintenance, and mitochondrial energy production from propionate.

In horses, most B12 is synthesized by hindgut microbes from dietary cobalt. Status may be influenced by cobalt intake, forage-only rations with low fresh pasture, or disruptions to hindgut function. Supplementation is used to help maintain normal energy metabolism, appetite, and hematologic parameters when intake or endogenous synthesis may be insufficient.

Vitamin D3 (cholecalciferol) is a fat-soluble nutrient essential for maintaining calcium and phosphorus homeostasis in horses. It supports proper bone mineralization, neuromuscular function, and overall mineral balance by regulating intestinal absorption and renal conservation of calcium and phosphorus.

Horses have limited ability to synthesize Vitamin D3 through ultraviolet exposure compared to other species, and forage content is typically low. Supplementation helps maintain optimal Vitamin D status, particularly in horses with restricted sunlight exposure, those on hay-based diets, or animals with higher metabolic or skeletal demands.

While deficiency may impair skeletal development and mineral metabolism, excessive intake can result in toxicity. Therefore, providing physiologically appropriate levels through balanced formulations is essential to maintain normal calcium-phosphorus balance and long-term musculoskeletal health.

Vitamin E refers to a group of fat-soluble compounds with antioxidant properties, including α-, β-, γ-, and δ-tocopherols and tocotrienols. The most biologically active form in horses is α-tocopherol, particularly the natural d-α-tocopherol isomer.

This vitamin functions as a key component of the body’s antioxidant defense system, protecting cell membranes and muscle tissue from oxidative damage caused by free radicals generated during exercise or metabolic stress. Vitamin E also supports normal immune response, red blood cell stability, vascular integrity, and neuromuscular function.

Fresh pasture is the richest natural source of vitamin E, while levels decline rapidly in stored hay and grains. Horses without regular access to pasture, or those in intense training, may benefit from supplemental bioavailable forms to help maintain optimal antioxidant status and recovery capacity.

Whey protein is a highly digestible, complete protein derived from the liquid fraction of milk obtained during cheese production. It provides all essential amino acids required by horses, including lysine, methionine, threonine, and branched-chain amino acids such as leucine, isoleucine, and valine, which are commonly limiting in equine diets.

Compared with many plant-based protein sources, whey delivers a higher concentration and superior bioavailability of these amino acids, supporting efficient muscle protein synthesis, tissue repair, immune function, and normal metabolic processes.

Because of its high amino acid quality and rapid digestibility, whey protein is used to enhance dietary protein value in growing horses, broodmares, performance horses, and animals consuming lower-quality forage where essential amino acid intake may be inadequate.

Zinc is an essential trace mineral required for numerous enzymatic processes involved in metabolism, tissue repair, immune defense, and antioxidant protection. It supports normal hoof growth and integrity, skin and coat condition, joint health, and reproductive function in horses.

In the body, zinc participates in more than 300 enzymatic reactions related to protein synthesis, collagen formation, and insulin regulation. Adequate zinc status contributes to normal glucose metabolism, muscle recovery, and wound healing, while deficiency can impair growth, immunity, and integumentary tissue quality.

Zinc proteinate is an organic, chelated form in which zinc is bound to amino acids or small peptides, improving intestinal absorption and bioavailability compared with inorganic forms such as zinc oxide or zinc sulfate. This form helps ensure more consistent mineral uptake under dietary or physiological stress and supports optimal trace mineral balance when fed alongside copper and manganese.