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Amino Acid Supplements - Feed Database
View the nutrition analysis for amino acid supplements for horses in the Equine Feed Database. Compare ingredients and nutrient values for amino acid products.
Feeds, Supplements & Products
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.
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.
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.
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.
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.
ProAmino (Equine Challenge)
ProAmino from Equine Challenge is a supplement containing amino acids and omegas 3 and 6. It is intended for growing, pregnant, or lactating horses and can assist with muscle health and recovery.
Pure Brewers Yeast (AniMed)
This supplement from AniMed contains pure brewers yeast. This product is meant to provide horses with vitamin Bs, amino acids, protein, and minerals. It's goal is to support hoof health, and digestive tract health.
Pure dl-Methionine Powder (AniMed)
This supplement from AniMed contains pure dl-Methionine which is an essential amino acid. Amino acids contribute to metabolism and growth, and it also supports the normal structure of hair, skin, and hooves. Methionine can also help with liver health.
Pure L-Lysine Powder (AniMed)
Pure L-Lysine Powder from AniMed is a single ingredient supplement that contains the amino acid lysine. Lysine helps with growth and development. It also contributes to the health of hooves and coat condition.
Pure L-Tryptophan Powder (AniMed)
AniMed's Pure L-Tryptophan Powder contains the amino acid tryptophan. This amino acid contributes to mood while relieving panic and anxiety. It is supposed to be 100% digestible.
Pure Lysine (Vita Flex)
Vita Flex Pure Lysine is an essential amino acid supplement for horses containing L-Lysine HCI. This is often the most limiting amino acid in the horse's diet.
RACE ‘N WIN Textured Feed (BUCKEYE Nutrition)
RACE 'N WIN is a textured feed designed for performance horses who require high-energy feed. It also contains added amino acids, beet pulp, probiotics, and prebiotic ingredients.
Recovery (Vita Flex)
Vita Flex Recovery is an equine supplement intended to support post-exercise recovery. It contains amino acids, B-vitamins, and electrolyte ingredients.
Regen-X (100 X Equine)
Regen-X from 100 X Equine is an amino acid supplement intended for performance horses. Regen-X is intended to build muscle tone and support recovery after exercise.
Renew Gold (Manna Pro)
MannaPro Renew Gold is a stabilized rice bran supplement with CoolStance® coconut meal, flaxseed, and yeast. This high-fat (17%) feed provides caloric energy without excess sugars and starches.
Security (Doctor’s Choice Supplements)
Security by Doctor's Choice Supplement is an organic ration balancer intended for mature and performance horses. It contains glucosamine, chondroitin, and yucca to support joint health.
Senior Textured Feed (ProElite)
Pro Elite Senior Textured Feed is a high fat (10%) and protein (14%) senior complete feed. It is appropriate for senior horses that need help maintaining or gaining weight.
Smartamine L (Adisseo)
Smartamine L is a source of the amino acid lysine. Lysine is often considered the first limiting amino acid in equine diets. Supplementation may be beneficial for horses experiencing muscle loss or poor topline.
Smartamine M (Adisseo)
Smartamine M is a source of the amino acid methionine. Methionine is often considered the second or third limiting amino acid in equine diets.
SmartMuscle Mass (SmartPak)
SmartMuscle® Mass Pellets is an amino acid supplement for horses, containing branched chain amino acids (BCAAs) and whey protein. It is formulated to support muscle development.
SmartVite Thrive (SmartPak)
SmartVite Thrive is a ration balancer meant to provide adult horses with essential vitamins and minerals in light or no work. It also contains vital amino acids and is highly palatable with vegetable oil, rice bran, and flaxseed meal ingredients.
Sorghum/Milo Ground Coarse
Coarse ground sorghum/milo grain is a high-starch feed for livestock. Grind size affects digestibility and feed efficiency.
Stability EQ (Foxden Equine)
Stability EQ by Foxden Equine is a powdered supplement intended to support normal mental equilibrium in cycling mares and nervous geldings. It contains ingredients such as raspberry leaf, L-theanine and magnesium.
Stablemate (Barastoc)
Stablemate from Barastoc is a grain mix that is made for high performance horses. It contains amino acids and is meant to help with ulcers, gut health, and provide energy.
Stress Relief (Krafft)
Stress Relief by Krafft is a supplement intended to help calm horses in stressful situations. It contains tryptophan, magnesium, and B vitamins.
SU-PER Calm Paste (Gateway Products)
SU-PER Calm Paste by Gateway Products is a supplement for horses that helps maintain calmness and supports balanced behaviour. It contains tryptophan, a precursor to serotonin, aiding the brain in coping with stress.
SU-PER Calm Powder (Gateway Products)
SU-PER Calm Powder by Gateway Products is a supplement for horses that helps maintain calmness and supports balanced behaviour. It contains tryptophan, a precursor to serotonin, aiding the brain in coping with stress.
SU-PER DMG 3000 Liquid (Gateway Products)
SU-PER DMG 3000 Liquid is a liquid supplement designed to support cardiovascular, muscle, and immune function. It boosts these functions and is a good choice for performance horses, older horses, and horses in recovery.
SU-PER DMG 3000 Powder (Gateway Products)
SU-PER DMG 3000 Powder is a powder supplement designed to support cardiovascular, muscle, and immune function. It boosts these functions and is a good choice for performance horses, older horses, and horses in recovery.
SU-PER Lysine Powder (Gateway Products)
SU-PER Lysine Powder by Gateway Products is to support healthy bones and muscle tissue. This supplement provides the most common limiting amino acid in an equine diet to support optimal health.
SU-PER Muscle Builder Liquid (Gateway Products)
SU-PER Muscle Builder Liquid by Gateway Products is a supplement meant to support proper body condition and healthy muscle tissue. This supplement provides the key amino acids for muscle building and would best support performance horses.
SU-PER Muscle Builder Powder (Gateway Products)
SU-PER Muscle Builder Powder by Gateway Products is a supplement meant to support proper body condition and healthy muscle tissue. This supplement provides the key amino acids for muscle building and would best support performance horses.
SU-PER Rejuven8 NOW Paste (Gateway Products)
SU-PER Rejuven8 NOW Paste by Gateway Products is a supplement that supports metabolism, hydration, muscle, and anti-oxidant action. This supplement includes key amino acids to support optimal recovery.
SU-PER Rejuven8 Powder (Gateway Products)
SU-PER Rejuven8 Powder by Gateway Products is a supplement that supports metabolism, hydration, muscle, and anti-oxidant action. This supplement includes key amino acids to support optimal recovery.
SU-PER Tryptophane Powder (Gateway Products)
SU-PER Tryptophane Powder by Gateway Products is a supplement to maintain calmness and support balanced behaviour. This supplement contains tryptophan, an amino acid that promotes a calming effect for nervous, excited, or stressed horses.
Sunshine Plus Pelleted Horse Feed (Blue Seal)
Sunshine Plus is a high protein (30%) pelleted feed containing soybean meal and whey. Energy sources include cane molasses, wheat middlings, oil, and corn distillers grains.
Super Amino 66 (Hygain)
Super Amino 66 from Hygain is a protein supplement containing 10 amino acids. It is intended to support muscle health and also contains vitamins and minerals.
SuperSport Amino Acid Supplement (Purina)
Purina® SuperSport® Amino Acid is a supplement intended for performance equine athletes. It provides 40% crude protein in a pelleted format to support muscle development.
SweatAgain (AniMed)
SweatAgain from AniMed is a powdered electrolyte supplement. It contains amino acids, vitamins, minerals and more, which all contribute to a horse's ability to sweat normally and maintain a healthy body temperature.
Three Aminos (Herbs for Horses)
Three Aminoes is an essential amino acid supplement containing lysine, methionine, and threonine. These are the three most common limiting amino acids in the horse's diet.
Threonine
Threonine is an essential limiting amino acid that is important for making mucin proteins in the gut. It plays a role in digestion, immune function, muscle growth, and more.
Tie Up Event Pak (Peak Performance Nutrients)
Tie Up Event Pak by Peak Performance Nutrients is a sodium-bicarbonate-free powdered supplement that supports proper electrolyte balance and excess lactic acid buildup. It contains nutrients such as potassium, magnesium, and thiamine.
Top-Line Advanced Support (Progressive Nutrition)
Top-Line Advanced Support is an amino acid supplement from Progressive Nutrition intended to support muscle and topline development in horses. It contains L-lysine, L-threonine, L-methionine, L-leucine, L-valine, L-isoleucine, and L-tryptophan.
Top-Line Xtreme (ProElite)
Top-Line Xtreme is a topline supplement that includes high levels of protein and amino acids. It is meant to support the health of horses' topline, muscles, and recovery processes. It is flavored and in micro-pellet form.
Topline Advantage (ProElite)
ProElite Topline Advantage is a pelleted horse supplement that provides essential nutrients and amino acids for muscle development. It contains 50% crude protein.
Total Lactic Care (Ramard)
Total Lactic Care from Ramard is a supplement that is meant to help muscles after performance. It can help with muscle fatigue, cramping, and tying up. It contains vitamins, minerals, and amino acids.
Total Supplement (Total Supplements)
Total Supplement is a horse supplement that contains vitamins, minerals, amino acids, and probiotics. It can assist with joint support, immunity and muscle recovery.
Tri Amino (Ukele)
Uckele Tri Amino is an essential amino acid supplement that is designed to provide lysine, methionine, and threonine. These are the three most common limiting amino acids in the equine diet.
Triumph Professional Textured 14% Horse Feed (Nutrena)
Triumph Professional Textured Horse Feed is a concentrate feed for horses of all ages and work levels. It supplies 14% crude protein, 8% crude fat, and 33% sugar and starch.
Tryptophan
Tryptophan is an amino acid that is a precursor for serotonin and melatonin. It is sometimes supplemented to horses as a calming aid. However, research in horses suggests that it is not an effective calming additive.
Ultimate (Doctor’s Choice Supplements)
Ultimate by Doctor's Choice Supplements is a ration balancer intended for horses on pasture of forage. It contains high levels of calcium, thiamine and the first limiting amino acid lysine.
Ultium Growth Formula (Purina)
Purina Ultium® Growth Formula is a concentrate feed intended for breeding and growing horses. It provides 9.5% fat with added amino acids to support development.
UltraCruz Equine BCAA (Santa Cruz Animal Health)
UltraCruz Equine BCAA is a pelleted supplement that supplies the branched-chain amino acids leucine, isoleucine and valine, as well as glutamine. BCAAs are fed to horses to support muscle function and exercise performance.
UltraCruz Equine Lysine (Pellet) (Santa Cruz Animal Health)
UltraCruz Equine Lysine is a pelleted supplement containing 5 grams of the amino acid lysine per serving. Lysine is the amino acid that is most commonly deficient in equine diets.
UltraCruz Equine Lysine (Powder) (Santa Cruz Animal Health)
UltraCruz Equine Lysine is a powdered supplement that provides 5 grams of the amino acid lysine per serving. Lysine is the amino acid that is most commonly deficient in equine diets.



















