Is Popcorn Allowed on a Ketogenic Diet? 1. Is popcorn considered keto-friendly? Popcorn is generally not considered keto-friendly due to its high carbohydrate content. However, you may be able to enjoy popcorn in moderation if you opt for a low-carb popcorn alternative made with keto-friendly ingredients. For more information, visit this resource. 2. Why is popcorn not recommended on a ketogenic diet? Popcorn is predominantly made up of carbs and contains a relatively high glycemic index. This can disrupt ketosis, the metabolic state essential for the ketogenic diet, as it causes a spike in blood sugar levels. Find more details…