Nettex eCalm provides a once-a-day effective, natural calmer to aid stress management in horses. Developed by world-leading veterinary surgeons and scientists, with proven results, eCalm is a non-magnesium, natural calmer made from Fermented Wheatgerm. It has prebiotic like functionality which has been shown to influence the microbiome of the horse that in turn supports calmness and well-being. eCalm also supports gut functionality and the maintenance of healthy skin and coat. 1kg tub.