Composure™ Pro contains ingredients proven to support calm behavior during exposure to environmental stressors. The C3™ (Colostrum Calming Complex) is a mixture of active bioactive proteins produced from the special microfiltration process of certified bovine colostrum. C3™ Complex provides molecular precursors that support the calming response by normalizing cognitive functions associated with excessive brain activity. L-Theanine (Suntheanine® Brand) is the patented dietary supplement for stress reduction and relaxation. Clinically shown to work within 30 minutes of administration and effective for up to 4 hours. Can be used daily or as needed – no loading dose. Easy to chew and delicious to taste. Recommended for loud noises, fireworks, separation anxiety, traveling, vet visits, kenneling, or other potentially stressful situations.