Natural calmer providing magnesium, B vitamins and calming herbs to maintain a healthy nervous system of fizzy and excitable horses and ponies without reducing performance. Includes herbs such as chamomile and lemon balm to soothe the nervous system and yeast to help maintain a healthy hind gut during stressful times. Contains no synthetic sedatives so can be fed long term and is suitable for young horses in training. 2kg fed at maintenance should last 35 days.