Crooked Lane Solutions Naturally Calm offers owners an advanced formulated supplement, developed to help reduce restlessness and excitability in dogs. Containing high levels of L-tryptophan, a select probiotic, B-vitamins, magnesium, and herbal extracts, Naturally Calm provides a fast acting, easy dose chew that may help in times of unease, such as storms, travelling, fireworks, kenneling, training.