Breaking the Cycle of Obesity: How a Ketogenic Diet Reduces Weight and Oxidative Stress

▴ Breaking the Cycle of Obesity
The study highlights the significant impact a multiphase, very-low-calorie ketogenic diet can have on both weight loss and the reduction of oxidative stress in individuals with obesity.

Obesity is more than just a cosmetic concern; it’s a significant health challenge that impacts millions globally. With its association with life-threatening conditions such as cardiovascular diseases, diabetes, and even certain cancers, finding effective ways to combat obesity is crucial. Recently, a study published in Free Radical Biology and Medicine has shown promising results using a very-low-calorie ketogenic diet to reduce not only body weight but also oxidative stress markers in people with obesity.

The Connection Between Obesity and Oxidative Stress: Obesity is characterized by an excessive accumulation of body fat, leading to various health complications. But what many may not realize is that it also increases oxidative stress in the body. Oxidative stress occurs when there is an imbalance between free radicals and antioxidants in your body, leading to cellular damage. Over time, this damage can contribute to chronic diseases.

The study investigated the effects of a multiphase, very-low-calorie ketogenic diet on individuals with obesity. The goal was to determine how this specific diet impacts oxidative stress and other health markers. The findings were remarkable.

A Multiphase, Very-Low-Calorie Ketogenic Diet: The study involved 40 adults diagnosed with obesity, who were placed on a very-low-calorie ketogenic diet for 11 weeks. This diet plan was structured to ensure that participants received sufficient fiber, vitamins, and minerals in line with global health recommendations.

The diet’s main focus was on reducing calorie intake while encouraging the body to shift from using carbohydrates to fats as its primary energy source—a process known as ketosis. Participants also received guidance on maintaining a physically active lifestyle, even though their activity levels remained moderate.

The results were impressive. On average, participants lost around 18 kilograms over the 11-week period. This significant weight reduction was accompanied by improvements in other key health markers:

1. Body Composition: Participants experienced a noticeable reduction in body mass index (BMI), waist circumference, and waist-to-hip ratio. There was also a reduction in fat mass and total body water, while lean mass was maintained.

2. Glucose and Lipid Metabolism: The ketogenic diet improved glucose and lipid metabolism, which are critical factors in managing obesity-related complications like diabetes and high cholesterol.


3. Oxidative Stress: The study found that the diet positively impacted the body’s oxidative stress levels. Markers such as total oxidative status, lipofuscin, lipid hydroperoxides, and malondialdehyde (MDA) were significantly reduced, indicating improved redox balance—a state where the body maintains a healthy equilibrium between antioxidants and free radicals.

Why a Ketogenic Diet Works: The ketogenic diet’s success can be attributed to several factors. The reduction in energy intake naturally led to weight loss, but it was more than just eating fewer calories. The diet also enhanced protein-induced satiety, helping participants feel fuller for longer, while controlling hormone-regulated appetite.

Another fascinating discovery was the shift in the body’s energy preference. Participants’ respiratory quotient, which measures how the body uses carbohydrates versus fats for energy, decreased, indicating that the body was favouring fat oxidation over carbohydrates. This metabolic adaptation is crucial for long-term weight maintenance and improved overall health.

The study highlights the significant impact a multiphase, very-low-calorie ketogenic diet can have on both weight loss and the reduction of oxidative stress in individuals with obesity. By improving glucose and lipid metabolism, reducing fat mass, and maintaining lean mass, this diet shows promise as a comprehensive approach to managing obesity and its associated health risks.

In a world where obesity is becoming increasingly prevalent, adopting a diet that not only aids in weight loss but also tackles underlying oxidative stress is a step forward in achieving better health outcomes.

Tags : #obesity #ketogenic-diet #weight-loss #oxidative-stress

About the Author


Sunny Parayan

Hey there! I'm Sunny, a passionate writer with a strong interest in the healthcare domain! When I'm not typing on my keyboard, I watch shows and listen to music. I hope that through my work, I can make a positive impact on people's lives by helping them live happier and healthier.

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