Unraveling the Power of Amino Acids for Equine Athletes
In the realm of equine nutrition, amino acids take center stage, playing a pivotal role in muscle development and overall fitness of performance horses. A recent study conducted by the Purina Animal Nutrition Center, led by Mary Beth Gordon, PhD, sheds light on how these vital nutrients can dramatically influence muscle parameters when effectively supplemented. Over 56 days, Thoroughbred and Quarter Horse mares and geldings revealed the transformative potential of amino acid support, emphasizing the growing sophistication in equine dietary science.Amino Acids: Essential Building Blocks
Amino acids are the fundamental units of protein, crucial for the growth, repair, and maintenance of muscle tissues. Horses require an adequate intake of essential amino acids, those they cannot produce internally, to facilitate crucial physiological functions such as muscle synthesis, immune health, and efficient energy metabolism. Notably, **lysine** is often recognized as the first limiting amino acid, implying that its shortage could impede protein synthesis regardless of overall protein intake. Alongside lysine, methionine and threonine also contribute significantly to optimal muscle growth and condition.The Power of Purina SuperSport® Supplement
In the controlled study, horses received a baseline diet featuring Purina’s Strategy® GX integrated with grass hay. The intervention group was additionally offered Purina® SuperSport®, an amino-acid-rich supplement designed to deliver these essential nutrients. Researchers meticulously tracked biometric indicators such as forearm and gaskin muscle circumference, crucial for assessing muscle mass and conditioning. The results were enlightening, showing a marked increase in muscle mass and enhanced topline condition among the horses receiving supplements, compared to their counterparts. This study underscores the potential of targeted amino acid enrichment, highlighting the synergy between nutritional supplementation and consistent exercise regimens in enhancing equine athletic prowess.Wider Implications for Equine Well-being
The findings of this study echo broader nutritional concepts, emphasizing amino acids as critical for:- Accelerated muscle recovery post-exercise
- Maintaining body condition and musculature
- Supporting physiological processes such as immune defenses and gastrointestinal health, particularly under the strains of intensive training
Guidance for Horse Owners and Trainers
Given the research’s noteworthy implications, it is recommended that equine professionals:- Adopt high-quality amino acid supplements, like Purina® SuperSport®, to optimize muscle growth
- Ensure a *balanced diet* featuring sufficient forage and concentrates that meet critical amino acid requirements
- Integrate a steady exercise program to maximize the benefits of supplementation
- Consult with equine nutritionists for personalized feeding protocols, considering individual horse elements such as age, workload, and health status




















