Keto Diet Cuts Depression by 70% in Students (Study Finds)

Introduction

College students across America are facing a mental health crisis that seems to worsen each year.

Now, groundbreaking research from Ohio State University suggests that a ketogenic diet might offer hope where traditional treatments fall short, with students experiencing a remarkable 70% reduction in depression symptoms.

Hi, I’m Abdur, your nutrition coach, and today I’m going to analyze this revolutionary study that could change how we approach mental health treatment for young adults.

What Did This Depression Study Actually Find?

The Ohio State University research team tracked 24 college students who had been diagnosed with major depressive disorder.

These students followed a strict ketogenic diet for 10 to 12 weeks while continuing their regular depression treatments like medication or counseling.

Out of the original group, 16 students completed the entire study period.

The results shocked even the researchers themselves.

Students experienced an average 70% reduction in their depression symptoms by the end of the study.

Their scores on the WHO-5 well-being index, which measures quality of life, nearly tripled from start to finish.

Most students reported feeling better within just two to six weeks of starting the diet.

How Does The Ketogenic Diet Work For Mental Health?

The ketogenic diet used in this study provided less than 50 grams of carbohydrates per day.

This forces your body to switch from using glucose as its primary fuel source to using ketones instead.

Ketones are molecules produced when your liver breaks down fat for energy, a process called nutritional ketosis.

Researchers confirmed that students were in ketosis about 73% of the time during the study.

The study found a 32% increase in brain-derived neurotrophic factor (BDNF), a protein crucial for brain health.

People with depression often have reduced BDNF levels, so this increase suggests the diet directly impacts brain chemistry.

Scientists believe ketone bodies, particularly β-hydroxybutyrate, help boost BDNF production in the brain.

Were The Benefits Just From Weight Loss?

Students did lose weight during the study, averaging about 5 kilograms (11 pounds) and more than 2% body fat.

However, researchers found no significant link between the amount of weight lost and the improvement in depression symptoms.

This finding suggests that the mood benefits came from the metabolic changes of ketosis itself, not just from losing excess weight.

Students also experienced better cognitive performance and overall well-being beyond mood improvements.

The ketogenic diet appeared to work through multiple pathways in the brain and body.

Interestingly, the levels of ketones in the blood did not directly correlate with the degree of symptom improvement.

This suggests that other factors related to the diet or lifestyle changes might also contribute to the benefits.

What Are The Study Limitations We Should Know?

This was a small pilot trial with only 24 participants and no control group for comparison.

Without a control group, we cannot say with certainty that the ketogenic diet alone caused the improvements.

Eight students dropped out of the study, though this was due to stress or scheduling conflicts, not because of diet-related problems.

The study lasted only 10-12 weeks, so we do not know about long-term effects or sustainability.

All participants continued their existing depression treatments, making it difficult to isolate the diet’s specific contribution.

The researchers acknowledge that larger, controlled trials are needed to confirm these promising findings.

We also need more research to understand exactly how and why the ketogenic diet might help with depression.

Should You Try Keto For Depression?

The ketogenic diet should never replace professional mental health care or prescribed medications.

However, it could become a valuable addition for some people struggling with depression under medical supervision.

Dr. Ryan Patel, a co-author of the study, noted that the average effect size for medications and counseling after 12 weeks is about 50%.

The ketogenic diet group saw much greater improvement, with participants not needing more treatment or emergency intervention.

This research opens the door to further investigation into nutritional interventions for mental health.

The field of metabolic psychiatry, where nutrition and mental health intersect, continues to show promising results.

If you are considering this approach, work with both a mental health professional and a qualified nutrition expert.

The Bottom Line

This Ohio State University study represents a significant breakthrough in understanding how nutrition can impact mental health, particularly for young adults facing depression.

Food is medicine, and sometimes the most powerful prescription comes from your kitchen, not your pharmacy.

While we need more research to fully understand this connection, the results offer hope for millions of students struggling with depression who may find additional support through carefully planned nutritional interventions alongside their existing treatments.

References

At NutritionCrown, we use quality and credible sources to ensure our content is accurate and trustworthy. Below are the sources referenced in writing this article:

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About the Author
Abdur Rahman Choudhury Logo V2

Abdur Rahman Choudhury is a nutrition coach with over 7 years of experience in the field of nutrition.

Academic Qualifications

Research Experience

Professional Certifications & Courses

Clinical Experience

  • 7+ years as a nutrition coach
  • Direct experience working with hundreds of patients to improve their health

Abdur currently lives in India and keeps fit by weight training and eating mainly home-cooked meals.

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