TRM Good as Gold + MAG is an equine calming supplement that helps horses maintain a relaxed, focused outlook during training, competition, and stressful situations. This nutritional formula combines magnesium and L-tryptophan to support normal nerve function and promote relaxation in nervous, excitable, or high-strung horses. The added magnesium provides targeted nutritional support for muscle and nervous system function, while L-tryptophan supplies an essential amino acid involved in serotonin production. Mix this easy-to-feed granular horse supplement into your horse’s regular feed to support composure, concentration, and performance. Ideal for horses that need additional nutritional support during demanding activities.