We're not sure if that's what makes a difference, but the oatmeal does seem to make dogs feel better. (herepup.com)
However, there are a few products that, largely based on testimonials from my clients, I've feel comfortable recommending for helping dogs feel more comfortable during stressful times. (samthedogtrainer.com)
Vegetables like carrots, celery, and green beans will help dogs feel more full between meals. (goodpetparent.com)