Ketogenic Diet
The ketogenic diet is a very low carbohydrate, high fat diet that induces ketosis, with strong evidence supporting its use for epilepsy, type 2 diabetes management, & weight loss, & emerging research on neurological conditions.
Evidence last reviewed: 05 Apr 2026
The ketogenic diet has robust support for epilepsy management and weight loss in various populations. While evidence for insulin sensitivity in PCOS is moderate, more research is needed for other conditions. Overall, it shows promise but should be approached with care.
Weight lossOverweight patients with type 2 diabetes mellitus · Meta-analysisHigh
The ketogenic diet significantly improved body weight control & glycemic management.
Insulin sensitivityWomen with polycystic ovary syndrome (PCOS) · Systematic reviewModerate
Dietary interventions including ketogenic diets improve insulin sensitivity & hormonal profiles in women with PCOS.
Epilepsy managementChildren and adolescents with epilepsy · Systematic review and meta-analysisHigh
Ketogenic diet therapy is an established nonpharmacologic treatment in various types of epilepsy.
Glycemic controlIndividuals with prediabetes and type 2 diabetes mellitus · Randomized crossover trialModerate
The ketogenic diet significantly reduced glycated hemoglobin levels compared to the Mediterranean diet.
Obesity managementAdults with obesity · Systematic review and meta-analysisHigh
The very low-calorie ketogenic diet is effective for weight management & improving body composition.
Forms & usage▾
Follow a strict low-carb, high-fat diet; consult a healthcare provider for personalized guidance.