Source of B complex vitamins which contribute to red cell formation, energy supply systems, stress response, nerve function, skin, hair and muscle tone. B complex vitamins are water soluble, rapidly excreted and need to be taken on a daily basis. Requirements for them are increased in performance and working horses under stress. They are also of value in assisting recovery from parasitic burdens, injury, surgery, illness and in old age. This product can be safely used with all Nature Vet products.