# Gum Aisle Guide > Both are chewed and both claim a place in mouth care. Here is how they differ in ingredients, evidence and how to choose between them. ## Guides - [Xylitol Is Dangerous to Dogs: A Household Warning](https://xylitol-gum-vs-probiotic-gum.pages.dev/xylitol-and-dogs-warning/): Xylitol, the sweetener in many sugar-free gums, is dangerous to dogs even in small amounts, so this xylitol and dogs warning applies to every household with a. - [Sugar-Free Gum and Saliva Flow](https://xylitol-gum-vs-probiotic-gum.pages.dev/sugar-free-gum-and-saliva/): Chewing sugar-free gum makes you produce more saliva, which is one reason dental organisations mention it as an occasional extra after meals. - [The Evidence Behind Probiotic Gum, Honestly](https://xylitol-gum-vs-probiotic-gum.pages.dev/probiotic-gum-evidence/): The probiotic gum evidence is early, and what exists is limited and mixed, so no gum or supplement can be treated as a settled way to look after your mouth. - [Chewing Gum and Jaw Comfort: When to Stop](https://xylitol-gum-vs-probiotic-gum.pages.dev/chewing-gum-and-jaw-comfort/): Chewing gum is fine for many people, but a sore, tired or clicking jaw is a reason to stop and rest it. - [Reading the Gum Aisle Without Marketing Noise](https://xylitol-gum-vs-probiotic-gum.pages.dev/gum-aisle-label-reading/): Good gum aisle label reading means ignoring the front-of-pack slogans and checking the ingredients, the sweetener and what the claim is actually based on. ## About - [About Gum Aisle Guide](https://xylitol-gum-vs-probiotic-gum.pages.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://xylitol-gum-vs-probiotic-gum.pages.dev/feed.xml)