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L-Threonine - Feed Ingredient

L-Threonine is an essential amino acid necessary for protein synthesis, muscle maintenance, and immune function in horses. Since it cannot be produced by the horse’s body, it must be obtained through the diet.

In equine nutrition, L-Threonine is one of the first limiting amino acids, meaning its availability directly affects protein utilization and muscle development. It plays a vital role in gut health, supporting mucus production in the digestive tract, which aids nutrient absorption and protects intestinal integrity. L-Threonine supplementation is often used in diets for growing, performance, or recovering horses to optimize protein efficiency and support overall metabolic function.

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

Feeds, Supplements & Products
AminoTrace+ Vitamin and Mineral Supplement (Mad Barn)
Hoof HealthHoof Health
Metabolic SyndromeMetabolic Syndrome
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
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.
Omneity P – Pellets – Vitamin & Mineral Supplement (Mad Barn)
Gut HealthGut Health
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
Ration BalancerRation Balancer
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)
Hoof HealthHoof Health
Mineral BalanceMineral Balance
Organic Trace MineralsOrganic Trace Minerals
VitaminsVitamins
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)
Amino AcidAmino Acid
MuscleMuscle
ProteinProtein
RecoveryRecovery
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)
Amino AcidAmino Acid
Gut HealthGut Health
MuscleMuscle
ToplineTopline
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.
Visceral+ (Mad Barn)
DigestionDigestion
Gut HealthGut Health
ImmunityImmunity
ProbioticProbiotic
UlcersUlcers
YeastYeast
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.

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