Vetalogica Vitarapid Canine Tranquil Daily Treats, 210g The Calmaphan complex is a proprietary blend of Tryptophan and B-Vitamins, which helps to maintain calm emotions. Containing natural ingredients, this scientific formulation has been developed by scientists, veterinarians and flavour experts. Delicious tasting chicken and duck meat treats. Uses Vetalogica's worldwide exclusive Calmaphan technology. Non-drowsy, fast acting and can be taken at any time.