Study: Hype around Intermittent Fasting Not Warranted - New study questions intermittent fasting's real weight-loss benefits
A new study has cast doubt on the benefits of intermittent fasting for weight loss. Researchers found it no more effective than traditional diets for adults with overweight or obesity. The findings also showed little improvement in overall quality of life compared to other methods.
The review, led by Luis Garegnani, analysed 22 studies covering three popular fasting approaches. These included the 8:16 method (eating within an 8-hour window), the 5:2 method (fasting two days a week), and alternate-day fasting. Despite the growing popularity of these techniques, the results revealed no clear advantage over standard diets.
Globally, around 2.5 billion people were overweight in 2022, with 890 million classified as obese. While weight loss remains critical for reducing health risks, the study highlighted inconsistencies in research methods. Variations in fasting protocols and study designs made it difficult to draw firm conclusions about effectiveness.
Experts suggest that long-term success depends on choosing a sustainable approach. Ideally, individuals should seek medical guidance before starting any weight-loss plan.
The review concludes that intermittent fasting offers no proven edge over other diets for shedding weight. For those aiming to improve health, the key remains finding a method they can maintain over time. Medical supervision is still recommended to ensure safety and effectiveness.