Pineapple isn’t the only fruit you should avoid when following a keto diet. There are plenty of fruits that are too high in carbs and as a result, do not work as pineapple substitutes. These include:  - Apples - Grapes - Bananas - Peaches - Raisins This can make finding good pineapple substitutes difficult as so many other great fruits are also banned from the keto diet. Check out the guide above for more detail.