Buckeye Nutrition Perform ‘N Win Electrolyte Horse Supplement works to increase your horse’s stamina by nearly 25% and is the only university-tested electrolyte around. Just add it to your horse’s drinking water to replace the electrolytes lost in endurance-based workouts, and then get ready for a noticeably improved performance. Added glucose sources provide a bonus source of extra energy, and it all comes from the USA-based family-owned plant, who practices a “field to bucket” philosophy with 100% traceable ingredients.