The Results Are In! Field Trials Prove U-GARD™ Highly Effective On Gastric Ulcers! Results of a 73-day field trial conducted with thoroughbreds at a race training facility in Southern Illinois showed impressive improvements in horses with a variety of grades of ulceration through treatment with U-GARD™. One horse made a complete recovery with no evidence of gastric ulcers or lesions and all made significant improvements. Get U-GARD™ for your horse and make gastric ulcers a thing of the past.