Rx Vitamins NutriCalm by MedVant is a comprehensive calming aid designed to help support calm behaviour in dogs and cats. Each capsule features pharmaceutical grade L-tryptophan and L-theanine, plus the herbs ashwaganda, catnip, and valerian root to help maintain relaxation naturally. A smart choice for pet parents seeking gentle dog supplements or cat supplements with natural ingredients. Convenient capsule format for oral use; no prescription required in Canada.