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Glycine - Feed Ingredient

Glycine is a non-essential amino acid that plays a role in protein synthesis, collagen formation, and various metabolic processes. It is the simplest amino acid in structure and is naturally found in proteins, particularly in connective tissues such as collagen and gelatin. While horses can synthesize glycine endogenously, it is also obtained through dietary protein sources such as alfalfa, soybean meal, and other high-protein feed ingredients.

In equine nutrition, glycine contributes to muscle function, tissue repair, and the synthesis of important compounds such as creatine, glutathione, and heme. It also acts as a neurotransmitter with both excitatory and inhibitory functions in the central nervous system. Glycine is sometimes included in feed formulations and supplements, particularly those aimed at supporting joint health or digestive function, as it is a key component of collagen and gastric mucus.

Since glycine is classified as a non-essential amino acid, dietary deficiencies are unlikely under normal feeding conditions.

The following equine feeds, supplements and products contain Glycine as an ingredient.

Feeds, Supplements & Products
Sweet Feed (Ritchie Smith – Harmony)
Competition HorsesCompetition Horses
DigestionDigestion
FiberFiber
NutrientsNutrients
Sweet Feed from Ritchie Smith's Harmony is a textured horse feed intended for horses in moderate to heavy work. Sweet Feed contains 12% crude protein and 4% fat.
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.
Tie-By (AniMed)
AntioxidantAntioxidant
ExerciseExercise
MuscleMuscle
RecoveryRecovery
AniMed TIE-BY is an antioxidant supplement for horses that routinely "tie-up." Ingredients include L-carnitine, magnesium, selenium, chromium and Vitamin E. This supplements supports the function of skeletal muscles and muscle enzyme activity.
Total Nutrition (PharmaSolute)
JointsJoints
Mineral BalanceMineral Balance
NutrientsNutrients
VitaminsVitamins
PharmaSolute Total Nutrition is a powdered supplement for horses and ponies. It contains vitamins, minerals, and ingredients to support joint health.
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.
Tuffoal (TRM)
DigestionDigestion
FoalFoal
GrowthGrowth
Gut HealthGut Health
Tuffoal from TRM is a liquid supplement which supports normal gut motility in growing and adult horses. Tuffoal contains kaolinitic clay and pectin for gut motility, as well as fructo - oligosaccharides to stimulate the gastrointestinal tract.
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.
Tye-Cal Max (Basic Equine Nutrition)
HealthHealth
Mineral BalanceMineral Balance
MuscleMuscle
VitaminsVitamins
Tye-Cal Max from Basic Equine Nutrition is an additive that is meant to assist in the relaxation of muscles in horses and to help prevent tying-up. It is a powdered supplement containing calcium, vitamins, and other minerals.
ULS-Gard Pellets (Equine America)
DigestionDigestion
Gut HealthGut Health
NutrientsNutrients
ProbioticProbiotic
ULS-Gard Pellets from Equine America is a stomach and gastrointestinal tract supplement. It is meant to support normal pH, proper function and contains pro- and prebiotics.
Ultimate (Greenline)
Mineral BalanceMineral Balance
NutritionNutrition
Ration BalancerRation Balancer
VitaminsVitamins
Greenline Ultimate is an equine vitamin, trace mineral, and amino acid supplement intended for everyday use. It provides Vitamin A, Vitamin D3, Pantothenic Acid, Folic Acid, Thiamine (B1), Vitamin B12, Choline, Cobalt, Vitamin E, Riboflavin (B2), Niacin, Pyridoxine, Biotin, and Iron.
VITAboost-Pellet (Herbs for Horses)
Blood CellsBlood Cells
MetabolismMetabolism
Mineral BalanceMineral Balance
VitaminsVitamins
Vitaboost is a multivitamin blend for horses containing 8 water soluble B-vitamins, Vitamin C, natural Vitamin E, microminerals, organic selenium, and amino acids.
VITAboost-Powder (Herbs for Horses)
Blood CellsBlood Cells
MetabolismMetabolism
Mineral BalanceMineral Balance
VitaminsVitamins
Vitaboost is a multivitamin blend for horses containing 8 water soluble B-vitamins, Vitamin C, natural Vitamin E, microminerals, organic selenium, and amino acids.
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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