Helps provide normal disposition. Ideal for horses involved in training or competition. Ensures exercising horses continue to produce energy rather than allowing lactic acid to cause fatigue. Vitamin B-1 is responsible for sending nerve impulses throughout the body. A deficiency in vitamin B-1 can cause horses to be irritable, nervous, anxious, unfocused and hard to work with. Also helps with poor appetite. Helps get horses back on feed after stressful situations or illness. Great choice to give just before transport. Each oz contains 625 mg vitamin B-1.