Alleviate daily stress and anxiety, to help maintain focus and concentration. L-tryptophan, an essential amino acid and precursor to serotonin. Serotonin, a neurotransmitter associated with inhibition of fear and stress. B-complex vitamins, an effective combination to support the nervous system. Magnesium, a key mineral for muscle and nerve function. Ideal for horses needing support to cope with their environment, requiring supprt to concentrate during work and those on box-rest, returning to work following injury or on reduced turnout.