Peer-reviewed article
The Ketogenic Diet and Potential Micronutrient Risks in Drug-Resistant Epilepsy Management: A Literature Review.
Bhavini Singh, Paige Botten, Katherine P Richardson, Chaston Weaver, Sharad Purohit ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This literature review examines the ketogenic diet as a treatment for drug-resistant epilepsy across different age groups. While the diet is effective at reducing seizures, particularly in infants, it carries significant risks including gastrointestinal problems and micronutrient deficiencies. The review emphasizes that registered dietitians play a crucial role in monitoring growth and adjusting nutrition plans to ensure children receive proper nutritional support while managing their epilepsy. Compliance with the diet remains a major challenge due to its restrictive nature and side effects.
Key points
- The ketogenic diet is effective for both focal and generalized seizures in drug-resistant epilepsy
- Infants achieve higher rates of seizure freedom compared to adults, potentially due to better dietary compliance
- The restrictive diet presents significant challenges including gastrointestinal issues, malnutrition risk, and micronutrient deficiencies
- Registered dietitians are essential for personalized nutrition education and monitoring growth in children
- Integrating medical nutrition therapy with pharmacological or surgical treatments offers the most promising outcomes
Limitations
This is a literature review that synthesizes existing published research rather than presenting original data, so it cannot provide direct evidence of outcomes from a single population. The review does not specify which micronutrient deficiencies are most common or severe, limiting understanding of specific nutritional risks.
Abstract
The ketogenic diet (KD) is a critical, evidence-based intervention within medical nutrition therapy for managing neurological disorders. In this article, we reviewed the published research on the efficacy of the ketogenic diet and its variations in treating epilepsy, particularly for patients unresponsive to anti-epileptic drugs. The literature review was performed on PubMed between 2022 and 2025. The review of clinical studies across various age groups reveals that, while the KD is effective for both focal and generalized seizures, infants often achieve higher rates of seizure freedom compared to adults, potentially due to better dietary compliance. Despite its success, the restrictive nature of the diet presents significant challenges for individuals suffering from epilepsy. The key challenges that reduce compliance over time include side effects, such as gastrointestinal issues, potential for malnutrition, and a high risk of micronutrient deficiencies. The role of the registered dietitian is paramount in this interdisciplinary approach, ensuring personalized education by monitoring growth and adjusting nutritional plans to optimize health outcomes for children unresponsive to anti-epileptic drugs. Ultimately, integrating MNT with traditional pharmacological or surgical treatments offers the most promising path for significant seizure reduction and improved quality of life for epileptic patients.