Xylitol is a popular natural sugar alcohol that provides sweetness with fewer calories and minimal blood sugar elevation. It is widely acclaimed for cavity prevention and oral health benefits while also showing promise in enhancing respiratory health, digestive function, and bone density. Despite these advantages, emerging research highlights potential cardiovascular risks associated with xylitol, advising moderation. It is safe for most humans in moderate amounts but highly toxic to dogs. Xylitol can be an effective sugar alternative when used responsibly.