Out! Bitter Cherry dog chew deterrent spray smells good but tastes bad, and is gentle enough for training puppies not to chew. Anti Chew Spray Deterrent by Petsvv is made in the USA and works so well that 79 percent of purchases gave it a 5-star rating. In keeping with the bitter taste that dogs dislike is the Bodhi Dog Bitter Lemon Spray. Oprah recommended this one in 2018 and it is said to work on dogs, cats, rabbits, and even ferrets.