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Ingredient

L-Isoleucine

L-Isoleucine is an essential branched-chain amino acid (BCAA) that horses must obtain from their diet, as they cannot synthesize it internally. It is one of three BCAAs, along with L-Leucine and L-Valine, that play a role in protein synthesis and muscle metabolism.

L-Isoleucine is commonly found in protein-rich feed ingredients such as alfalfa, soybean meal, and flaxseed. It is sometimes included in equine supplements or specialized feed formulations to ensure adequate amino acid balance, particularly for horses with increased protein demands. Since L-Isoleucine is naturally present in most complete diets, direct supplementation is rarely needed on a well balanced diet.

The following equine feeds, supplements and products contain L-Isoleucine as an ingredient.

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Feeds, Supplements & Products
Tie Free TMC Paste (Peak Performance Nutrients)
ExerciseExercise
MuscleMuscle
RecoveryRecovery
StressStress
Tie Free TMC Paste is a sodium bicarbonate free electrolyte supplement that supports replenishment of glycogen stores, muscle recovery, and muscles prone to tying up. It contains potassium chloride, potassium carbonate, and magnesium sulphate.
Tie Up Event Pak (Peak Performance Nutrients)
ElectrolyteElectrolyte
MuscleMuscle
PerformancePerformance
RecoveryRecovery
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)
Amino AcidAmino Acid
HealthHealth
MuscleMuscle
ToplineTopline
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.
Topp40 (Sollio Agriculture)
Amino AcidAmino Acid
HealthHealth
PerformancePerformance
ProteinProtein
Topp40 is a pelleted protein and amino acid supplement. This supplement is intended for horses who require additional protein in their diets.
Total Blood Fluids Muscle (Ramard)
Blood CellsBlood Cells
ElectrolyteElectrolyte
MuscleMuscle
PerformancePerformance
This supplement from Ramard is meant to assist in muscle recovery, health, and strength. It also provides energy and increases the amount of red blood cells in horses, while also providing electrolytes. This aids in performance, exercise, and health.
Total Lactic Care (Ramard)
Amino AcidAmino Acid
ExerciseExercise
MuscleMuscle
PerformancePerformance
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 Topline (Ramard)
MuscleMuscle
PerformancePerformance
RecoveryRecovery
ToplineTopline
Total Topline from Ramard is a powdered supplement that aims to build muscle and topline, increase performance, assist in the growth and development of young horses, and help with muscle recovery and maintenance.
Turbo Mag BCAA (Stride Animal Health)
Competition HorsesCompetition Horses
ElectrolyteElectrolyte
ExerciseExercise
HealthHealth
Turbo Mag BCAA from Stride Animal Health is a powdered electrolyte for horses. Turbo Mag BCAA is intended to support hydration levels and replace lost electrolytes.
UltraCruz Equine BCAA (Santa Cruz Animal Health)
Amino AcidAmino Acid
MuscleMuscle
NutrientsNutrients
ToplineTopline
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.
UN-LOCK Race Performance Powder (BRL Equine)
Amino AcidAmino Acid
ElectrolyteElectrolyte
ExerciseExercise
PerformancePerformance
UN-LOCK Equine Race Performance Powder is a muscle supplement containing branched-chain amino acids, vitamins, and electrolytes. It is a source of the amino acids L-valine, L-leucine, L-isoleucine, l-glutamine, L-arginine, and L-carnitine.
Wilson’s Cool Formula (Wilson Feeds)
Mineral BalanceMineral Balance
NutrientsNutrients
ProteinProtein
YeastYeast
Wilson's Cool Formula by Wilson Feeds is a granular, textured horse feed formulated to balance forage-based diets. It is soy-free and contains peas and alfalfa as protein sources.

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