Both keto and fasting can help control cravings and hunger to some extent. The ketogenic diet may help regulate appetite by increasing feelings of fullness due to the higher fat and protein content. However, some individuals may still experience cravings for carbohydrates when following a keto diet. On the other hand, fasting can also help regulate hunger hormones and reduce cravings over time. Ultimately, the effectiveness of each method in controlling cravings and hunger can vary between individuals. It is important to find the approach that works best for you and supports your overall well-being.