Performance XL: Athletic Formula

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Performance XL: Athletic Formula

Starting at $110

Speed, Stamina, Strength… attributes of the truly great equine athlete.  A formula specifically designed to boost performance and help your equine athlete reach their peak genetic potential.

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Performance XL: Athletic Formula Supports:
  • Athletic Performance
  • Strength & Speed
  • Competition Stamina
  • Exercise Recovery
  • Muscle Function
  • Energy Metabolism
  • Reduced Fatigue
  • Cardiovascular System
  • Growth & Development
  • Resistance to Stress

Help your horse reach its full athletic potential with Mad Barn’s Performance XL: Athletic Formula. Our most advanced product ever, this supplement is targeted to the elite equine competitor.

This super-charged formula contains quality nutrients that have been clinically proven to improve performance, support stamina and enhance strength. Boost your horse’s energy production and support muscle recovery following an intense workout.

The all-natural ingredients in Performance XL: Athletic Formula will not test positive, but you’ll think they should when you see how your horse responds!

Train better and perform better with Performance XL: Athletic Formula.

How Performance XL: Athletic Formula Works

Your equine athlete requires more than just minimum nutrition in order to achieve peak performance. The nutrients found in Performance XL: Athletic Formula naturally enhance the horse’s ability to use energy to gallop faster for longer, jump higher and perform at the highest level genetically possible.

Increase Stamina, Speed & Strength

  1. Carnitine
    • Carnitine plays a critical role in energy production.  Essential for mitochondrial function and removal of metabolic waste products.  Mainly derived from meat, carnitine intake in our herbivorous athletes is limited.
  2. Creatine
    • Creatine serves as a precursor for phosphocreatine, a major source of energy for hard-working muscles.
  3. Taurine
    • Taurine is an amino acid found in large amounts in the heart and brain. The best nutritional sources are meat and fish, which your horse does not consume, boost taurine levels with Athletic Formula.
  4. Coenzyme Q10
    • Co Q10 is a potent antioxidant involved in energy production within the cells. It also promotes the removal of harmful free radical particles and can improve workout recovery.
    • Blend of essential vitamins and minerals
      • Hard-working horses depleted trace elements more quickly, replenish and maintain for maximal performance and health!

CarnitineCarnitine refers to a group of natural amino acid that includes L-carnitine, acetyl-L-carnitine (ALCAR), and propionyl-L-carnitine (PLCAR). Carnitines play a role in transporting long-chain fatty acids into the cellular mitochondria to be converted into energy. Carnitines are in particularly high demand within the body during periods of training and supplementation may promote improved athletic performance, improved endurance and reduced fatigue in the horse.

In research studies, L-Carnitine has been shown to decrease the accumulation of metabolic waste products in cells during exercise. Supplementation has also been shown to improve glucose tolerance and insulin resistance in horses. L-Carnitine is also documented to improve neuropathic pain which can accompany laminitis.

L-carnitine can be synthesized in the liver from the amino acids lysine and methionine. However, the equine diet is frequently deficient in these compounds. Horses that are lactating, engaged in moderate to heavy work, or training may benefit from additional supplementation with Carnitine.


CobaltCobalt is a micromineral that is required within the horse’s hindgut to synthesize the vitamin cobalamin (Vitamin B12). Microbes present in the hindgut convert cobalt into its active form cyanocobalamin by way of fermentation.

Cyanocobalamin is required for red blood cell formation, protein synthesis, carbohydrate and fat metabolism, reproductive function, cardiovascular health and the methylation of homocysteine to methionine. Racehorses will sometimes supplement with additional sources of Cobalamin for a purported boost in athletic performance.

The essential trace mineral Cobalt is found naturally in horse feeds and there have not been any reported cases of deficiency. Signs of inadequate intake can include loss of appetite, anemia, poor growth, lethargy and other symptoms associated with low vitamin B12 consumption.

Some sources report that supplementation is necessary in regions where the soil does not naturally contain adequate amounts such as Florida, New England, Australia, New Zealand, and Norway. As a supplement, it is commonly provided in the form of Vitamin B12 or cobalt carbonate and it has a Max Tolerable Level of 25 mg/kg total dietary concentration.

Coenzyme Q102019-09-13T12:47:41-05:00

Coenzyme Q10Coenzyme Q10 (CoQ10, ubiquinone) is a natural antioxidant that is involved in energy metabolism in the cell mitochondria. It plays several important roles in the body and is critical for the production of adenosine triphosphate (ATP) – the primary energy currency used within the body.

Horses are often supplemented with CoQ10 to support athletic performance, aerobic function, and to minimize recovery times following intense exercise. In a study on horses, supplementing with this nutrient was shown to increase slow-twitch muscle fibre activity by 40%.

This supplement also has a protective effect against cellular degeneration and muscle breakdown. Research shows that CoQ10 can combat the effects of oxidative damage and “reactive oxygen species” or free radical particles. It works synergistically with other antioxidants such as Vitamin C and Vitamin E.


CopperCopper is a micromineral that is required by the horse for proper nervous system function, antioxidant defense, cardiac function, bone development, cellular respiration, keratinization, tissue pigmentation and the formation of connective tissue. It is a catalytic co-factor for many important enzymes, meaning that it is required for these enzyme’s activity as a catalyst.

If copper levels are not adequate in the horse’s diet, it can lead to pigmentation abnormalities, sensitive skin, sluggishness, bone demineralization, osteoporosis, arthritis, liver problems, digestive problems, anemia, neutropenia, or leukopenia. Deficiency may be common in certain geographic regions where soil content is naturally low in copper.

Absorption of this mineral from the gastrointestinal tract is between 5 to 10% in adults and may be reduced during times of disease or if the horse is consuming a diet high in phytates or competing minerals. To increase levels, a highly bioavailable form of this mineral like Bioplex Copper (copper proteinate) is recommended.


CreatineCreatine is a natural amino acid that aids in energy metabolism in muscle tissue during high-intensity exercise. It is involved in recycling adenosine triphosphate (ATP), which is the primary energy currency used in cells throughout the body.

Creatine is converted into phosphocreatine which acts as a rapidly available energy reserve for cells to produce ATP. This energy molecule is what allows muscle cells to contract, potentially supporting greater power output and muscle growth. Horses can produce this amino acid internally within liver and kidney tissue, but may benefit from additional supplementation.

Horses involved in competition are frequently given creatine supplements to support their athletic performance and stamina. Some studies on horses given creatine show benefits for performance, but more research is needed to confirm initial results.

Kelp Meal2019-09-13T12:45:48-05:00

Kelp MealKelp meal (seaweed) is a type of brown algae that is rich in a number of chelated minerals required by the horse. It contains meaningful quantities of magnesium, potassium, iodine, calcium and iron. It is also a source of several vitamins, micro-nutrients and 20 different amino acids.

As an equine supplement, kelp is commonly fed to increase iodine levels and support normal production of thyroid hormones. It is also recommended for hoof health, skin and coat health, fertility, metabolism, anti-inflammatory properties, stamina and growth.

Dried seaweed meal also contains high levels of polysaccharides, which are a type of starch with prebiotic effects. This prebiotic fibre can stimulate the growth of beneficial bacteria in the gut and promote balance of the microbiota.


ManganeseManganese is a trace mineral that is required by horses to form chondroitin sulfate – a component of cartilage. It is essential for bone development, reproductive function, digestion of fats and carbohydrates, disease resistance and for normal enzyme activity.

It is recommended for horses to consume 40 ppm of this mineral in their diet. Though rare, deficiency can cause serious problems for a horse. Horses that do not get enough Manganese may experience bone abnormalities, lameness, bowed tendons, inhibited growth and impaired fertility.

Manganese is also required to form the natural endogenous antioxidant superoxide dismutase. It has been researched for its potential use as an antioxidant agent in equine animals.

Menadione (Vitamin K3)2019-11-09T07:28:41-05:00

Menadione (Vitamin K3)Menadione is a form of Vitamin K3 that is commonly used in equine feed and supplements. Vitamin K is involved in normal blood coagulation (formation of blood clots) and helps to support healthy bone density and cardiovascular function.

Research in humans and other species suggests that supplementing with this vitamin may increase bone formation and decrease resorption or breakdown, promoting the formation of stronger bones. Menadione works by first getting converted to Menaquinone-4 in horses. It is the best form of Vitamin K for raising plasma levels of Menaquinone-4 in horses.

Horses generally obtain adequate levels of this vitamin from their diets, but may benefit from supplementation in certain cases. A number of conditions can inhibit proper production or absorption of this vitamin from the gut, such as colic, diarrhea, ulcers or use of antibiotics.


SeleniumSelenium is a micromineral that is important for immune function, cardiovascular health, thyroid function and muscle development. Horses also require this mineral to prevent white muscle disease. More recently, its been shown to be a key component of antioxidants that are present in all cells of the body and help protect from oxidative stress.

Selenium is a unique mineral as it is a part of two amino acids, seleno-methionine and seleno-cysteine that are precisely incorporated into antioxidant proteins. These seleno-amino acids are stored in the liver and transported to other cells as needed. Selenium is required to synthesize 30-35 different selenoproteins with a wide range of functions in cellular reactions.

Concentrations of this mineral in the soil vary significantly throughout different regions of the world. Selenium supplementation of your horse’s diet is particularly important in areas where the soil Se content is low, including most coastal areas of North America.


TaurineTaurine is a natural amino sulfonic acid that is found in tissue throughout the horse’s body, but particularly heart and muscle tissue. As a dietary supplement, it is believed to support general heart health, insulin sensitivity, athletic performance, nervous system transmissions, electrolyte balance and immune function.

In animal studies, taurine has been found to reduce fatigue and muscle damage during periods of exercise, improving stamina and power output. It may work by promoting the elimination of metabolic waste products that can cause fatigue and soreness.

Taurine is also believed to have a calming effect on the horse and to regulate the activity of the stress hormones cortisol and adrenalin (epinephrine). It may further support healthy blood glucose balance and restore normal insulin sensitivity in horses with IR.

Vitamin A2019-11-09T07:32:16-05:00

Vitamin AVitamin A is a fat-soluble, essential vitamin with a number of vital functions. For one, it regulates gene expression during cell differentiation, which is a very important step in the creation of an embryo. It also maintains epithelial membranes in cells.

Vitamin A is also a crucial substance that is needed for vision. One form of vitamin A combines with opsin to produce rhodopsin, which is the visual pigment that produces the nervous system signal that allows horses to see.

Vitamin A is present in feeds as beta-carotene and is broken down into vitamin A once it reaches the small intestine. Fresh grass pasture is one of the best sources of beta-carotene. Since beta-carotene is susceptible to oxidation, mature grass hays contain much lower concentrations due to UV light damage.

Deficiencies in vitamin A can present as night blindness and reports have been made of impaired growth in growing ponies deprived of vitamin A. Although deficiencies are possible, vitamin A requirements are usually covered with pasture access and/or good quality hay. If horses do not have access to pasture or they are in heavy work, however, NRC requirements increase and have been changed as a result of research findings involving performance horses.

Vitamin D2019-11-09T07:32:33-05:00

Vitamin DVitamin D refers to a group of five fat-soluble steroid hormones that have a wide range of biological effects in the horse’s body. Vitamin D3 (cholecalciferol) is the most important form of this vitamin in horses, followed by Vitamin D2 (ergocalciferol).

Vitamin D plays critical roles in the metabolism and utilization of calcium, phosphorus and magnesium from the gastrointestinal tract. This vitamin also regulates bone mineral metabolism, cell growth and differentiation as well as kidney function.

Vitamin D3 is produced in the skin with exposure to sunlight. It can also be obtained in small amounts through dietary sources. Horses that do not get adequate time outside during periods of daylight may be at risk for sub-optimal levels of this vitamin. Vitamin D status can also change during winter months. Deficiency can lead to rickets or osteomalacia in the horse.

Vitamin E2019-12-11T09:07:33-05:00

Vitamin EVitamin E is the shared name for eight different fat-soluble, naturally-occurring compounds: a, b, g, and d-tocopherol and a, b, g, and d-tocotrienol. These compounds all have vitamin E activity and are comprised of a chromanol ring with differing phytyl side chains. The compound most commonly referred to as vitamin E is a-tocopherol and is widely considered to be the most biologically active form of all the vitamin E constituents.

The most natural form of alpha-tocopherol is d-alpha-tocopherol, and is only synthesized in plants so it must be obtained through the diet. Fresh, grass pasture contains the highest concentrations of d-alpha-tocopherol, however, a large number of horses do not have year-round access to grass pasture and their diets consist mostly of hay, so alpha-tocopherol is often added to most commercial feed formulations or top-dressed as a supplement.

Vitamin E functions as a powerful antioxidant, meaning it protects the body tissue from damage caused by free radicals.  Free radicals are produced during normal cellular metabolism and can harm cells, tissues, and organs if not kept in balance with proper antioxidant levels.

Other functions of Vitamin E:

  • Immune function – important for defense against viruses and bacteria
  • Formation of red blood cells
  • Helps widen blood vessels and keep blood from clotting inside them
  • Used in cellular communication, used to carry out many important functions.

Research confirms that the different forms of vitamin E available to be supplemented can have a significant impact on vitamin E levels in the blood. The most bioavailable forms of vitamin E should only be used in order to properly formulate balanced equine diets, to treat vitamin E deficiency and its associated conditions and aid in exercise recovery.

Whey Protein2019-09-13T12:48:36-05:00

Whey ProteinWhey Protein refers to the proteins isolated from whey, the liquid portion of milk that is separated from the curds as a by-product of making cheese. Whey is a highly concentrated protein source, containing a complete array of essential amino acids and rich amounts of muscle-building branched chain amino acids (BCAAs).

There are 21 recognized standard amino acids that form proteins in the body. Of these, the first nine are considered essential, the following seven are conditionally essential and the remaining are non-essential: Histidine (His), Isoleucine (Ile), Leucine (Leu), Lysine (Lys), Methionine (Met), Phenylalanine (Phe), Threonine (Thr), Tryptophan (Trp), Valine (Val), Arginine (Arg), Cysteine (Cys), Glutamine (Gln), Glycine (Gly), Proline (Pro), Serine (Ser), Tyrosine (Tyr), Alanine (Ala), Asparagine (Asn), Aspartic acid (Asp), Glutamic acid (Glu) and Selenocysteine (Sec).

Whey protein concentrate can contain as much as 60-90% amino acids, making it more concentrated than soybean meal – another popular alternative for supplementing protein in a horse’s diet. Compared to soybean meal, whey contains higher amounts of lysine, leucine, and isoleucine.

This supplement is typically given to horses with higher protein needs, such as animals that need to build lean muscle mass or younger animals. It is more expensive than soybean meal which is why it is not usually used as a primary protein source.


ZincZinc is an essential trace mineral that is required by horses for the immune system, tissue repair, growth, fertility and fetal development. It is involved in over 100 different enzymatic reactions in the body that affect hormone metabolism, energy synthesis, protein synthesis, collagen and keratin formation, blood clotting, insulin production and more.

Zinc is found most abundantly in the eyes and prostate gland followed by bone, skin and muscle tissue. Low levels of zinc in the diet can contribute to subnormal growth, fatigue, problems with hair, hoof and skin quality, impaired wound healing, loss of appetite, anemia and high frequency of colds and other diseases.

According to the NRC’s Nutrient Requirements of Horses, a 500 kg (1,100-pound) mature horse requires 400 mg per day of Zinc. Requirements are higher for horses that are lactating or undergoing heavy work. Many horses do not obtain optimal amounts of this mineral from their forage and could benefit from supplementation.

Zinc is commonly supplemented in balance with Copper because the two minerals compete for the same absorption pathway in the gastrointestinal tract.

Directions for Use:

Scoop Size 30 cc / 30 g

Scoops per day
Per 100 kg body weight: 0.4
For 500 kg horse: 2.0

Grams per day
Per 100 kg body weight: 12
For 500 kg horse: 60


Directions for use must be followed carefully. Do not feed in association with other feeds containing selenium.

Shelf Life:

6 months from date of manufacture.

Disclaimer: These statements have not been evaluated by Health Canada or the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.
This premix contains added selenium at 35 mg / kg.
Nutrients Units
Crude Protein (min) 4.2 %
Calcium (act) 0.7 %
Phosphorus (act) 0.1 %
Sodium (act) 0.2 %
Magnesium (act) 0.1 %
Potassium (act) 0.4 %
Iron (max) 175 mg / kg
Zinc (act) 5,647 mg / kg
Copper (act) 1,405 mg / kg
Manganese (act) 5,658 mg / kg
Cobalt (act) 22 mg / kg
Iodine (act) 83 mg / kg
Vitamin A (min) 676 KIU / kg
Vitamin D (min) 67 KIU / kg
Vitamin E (min) 11,294 IU / kg
Menadione (K3) (min) 11 mg / kg

INGREDIENTS: Carnitine, Taurine, Creatine, EMP, Bioplex Zincâ„¢, Bioplex Manganeseâ„¢, Sel-plexâ„¢, Bioplex Copperâ„¢, Vitamin E, Vitamin A, Vitamin D, Menadione, Cobalt Carbonate, Calcium Iodate, Whey Permeate, Dextrose, Coenzyme Q10, flavour.

Register & manufactured by: Mad Barn Inc., Petersburg, ON, Canada.

Price 1 kg $110.00
5 kg $475.00
10 kg $900.00
20 kg $1,700.00
Scoop Size cc 29.6
Feed Per Day g / 100 kg BW 12 g
g / 500 kg horse 60 g
Scoops Per Day scoops / 100 kg BW 0.4 scoops
scoops / 500 kg horse 2 scoops
Cost Per Day $/100 kg of BW $1.00
$/500 kg horse $5.10
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Mad Barn Performance XL Athletic Formula 1 Kg + Mad Barn Performance XL Electrolytes 1 Kg + Mad Barn W 3 Oil 4L
Price for both:   $222 $210.90

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