I have a hyperactive dog and another that suffers with anxiety, this pet remedy plug in has worked wonders in our house. Bought it for the anxious dog and he has a happy vibe 24/7 now (his original self before any situations happened that turned him to a wreck). I didnt expect it to have any affect on our hyperactive dog, but its halped her be able to focus on any training we are doing and she can actually sit still when waiting for food, treats and getting ready to go gor walks. Ive used another brand previously and it did not have anywhere near the results of this one. I couldn’t help notice when first using a strong (maybe) pepper scent but that might be more noticeable to people with asthma and can cause sneezing (did with me). Totally worth it for my dogs happiness.