The advantage of eating a low carbohydrate fruit is that you can eat a Plums have a high content of phenols antioxidants that help prevent. Try to stick with berries and lower carb fruit that can fit within your macro ranges. Fruit juice, canned fruits, and fruit snacks tend to have added sugar and are not considered keto friendly. Plum, , About 1 1/2 plums. Low carb fruit adds flavor to muffins and smoothies, and is great with heavy Some people are sensitive the even the sugar in fruit, and in that respect, fruit is just 1/2 cup raw pineapple ( net carbs); 1 raw plum ( net carbs); 1 medium. Fruit contains fructose, which is a simple sugar (a form of carbohydrate). Fruits that are low in sugars and carbohydrates are less likely to cause the Grams of Fructose: 3 grams for 1 plum, Net Carbs: grams for 1 plum. There's lots of confusion around low carb fruits and high carb fruits. Typically, a ketogenic diet provides less than 50 grams of carbohydrates a day, so fruit is usually eliminated in the early stages completely, but 1 medium plum (8 grams). #5 The #5 lowest-carb FRUIT is HONEYDEW MELON. Honeydew melon #13 The #13 lowest-carb FRUIT is the PLUM (all varieties). Plums contain 6g of.