Toxic Foods There are a lot of things you can give your rats as treats, but you need to be careful. Some stuff out there is toxic for them. However, before we list which foods they are, we need to mention that we found "conflicting" advice on some of the items listed below on whether or not they are truly harmful. Yet it is our opinion that it is better to be safe than sorry! Rats do not "require" the intake of any of these foods to be healthy/happy, so if there is even a slight possibility of them being harmful to your rats, why not steer clear of them. Be Safe! Avoid These Foods Completely! Apple Seeds Citrus Fruit Skins/Citrus Juices Any Pit, From Any Fruit Green Bananas Bleu Cheese Raw Artichokes Raw Sweet Potato Raw Brussel Sprouts Licorice Raw Uncooked Beans or Raw Uncooked Peanuts Raw Red Cabbage Raw Onion Alcohol Raw Potato Skins and Eyes Wild Insects (Can carry internal parasites.) Carbonated Beverages (Because they can't burp.) Dried Corn Rawhide Sticky things (Such as peanut butter, taffy, jelly beans, and caramels because they can gum up in their throat and cause them to suffocate.) And Greatly Limit Their Intake Of... Corn Beets Celery Eggplant Chocolate Avocados Lettuce Cucumber Radishes Spinach Collards Turnip Greens Almonds Swiss Chard Rhubarb