Canadian Brand. Did you know that 90% of mood elevating serotonin is found in the gut? Gutsy Calm Bites have powerful prebiotics and scientifically pet-proven calming ingredients in every bite. Crafted with holistic calming ingredients like Ashwagandha (a natural adaptogen) and Reishi mushrooms, these bites are specially designed to promote relaxation, soothe your pet, and help them manage everyday stress. Made lovingly in Canada in small batches, Gutsy offers a deliciously simple proactive solution to whole dog health.