Vita B-1 Crumbles is a specially formulated Vitamin B Supplement for horses. It contains 500mg of Vitamin B-1 per one ounce dose which is essential for normal growth and muscle function. It helps improve the performance of horses especially the ones undergoing strenuous activities and exercise. It also helps prevent deficiency that may cause nervousness, appetite and weight loss during stressful periods of horses. Available in 2.5 lb. and 20 lb. containers.