Composure™ Pro, available only through veterinarians, contains ingredients proven to support calm behavior during exposure to environmental stressors. The C3™ (Colostrum Calming Complex) is a mixture of active bioactive proteins that is produced from a special microfiltration process of certified bovine colostrum. C3™ Complex provides molecular precursors that support the calming response by normalizing cognitive and brain functions that are associated with excessive brain activity. L-Theanine (Suntheanine® Brand) is the patented dietary supplement for stress reduction and relaxation.