Help manage everyday stress with Pet Naturals Calming Dog Chews for Medium & Large Dogs. When pets can’t adapt to stress， they can become nervous， hyperactive， bark excessively， or become destructive or aggressive. This unique blend of natural ingredients includes Colostrum Calming Complex Biopepide Blend， L-Theanine and Vitamin B to promote a calming effect and support balanced behavior during times where your pup may feel overstimulated or fearful. These chews provide an easy way to address stressful situations without sedatives or drugs and without causing fatigue or a change in your pet’s personality.