Powerful, All-Inclusive Pre-Event Formula For Bleeders 1. High Dose Supporting Ingredients Including Rutin And Hesperidin 2. Herbal Support Including Yunnan Paiyao 3. Added Potassium For Horses That Lose Excessive Water. Directions For Use: • Administer 1 Pak (350 G) Per Horse The Day Before The Event Or As Directed By Your Veterinarian Or Equine Nutritionist • Alternate Directions For Use: Administer 1 Pak (350 G) Per Horse 8-10 Hours Before The Event Or As Directed By Your Veterinarian Or Equine Nutritionist.