Pet Remedy is a breakthrough product is clinically-proven and effective in reducing stress in animals.. It utilises a new and natural method of tackling stress and anxiety and contains essential oils including Valerian, Vetiver, Sweet Basil, and Sage .. Pet Remedy works by mimicking GABA (gamma amino butyric acid). GABA is a natural calming agent present in all mammals and birds. When a pet becomes nervous or anxious pet remedy tricks nerve cells into believing they are receiving a message from the brain to calm.. The key ingredient in Pet Remedy is Valerian oil. Unlike other preparations including this herb, Pet Remedy only uses low concentrations released slowly, so it calms rather than sedates your pet.. These refills are for use with Pet Remedy Natural De-Stress and Calming Plug-In Diffuser.