New research reveals that rapid weight loss may be a more effective and sustainable approach for shedding pounds compared to gradual weight loss. Contrary to popular belief, individuals who lose weight quickly tend to achieve greater overall weight loss and are more likely to maintain it long-term.
Presented at the European Congress on Obesity in Turkey, the study involved 284 obese adults from Norway divided into two groups: one following a rapid weight loss program and the other a gradual weight loss plan. The rapid weight loss group adhered to a calorie-restricted diet starting at 1,000 calories per day for the first eight weeks, then increasing to 1,300 calories and finally 1,500 calories through week sixteen. Meanwhile, the gradual weight loss group reduced their intake by roughly 1,000 calories daily, typically consuming about 1,400 calories per day.
After the initial 16-week period, participants from both groups entered a 36-week maintenance program designed to prevent weight regain. Remarkably, those in the rapid weight loss group lost an average of 12.9% of their body weight during the early phase, compared to an 8.1% loss in the gradual group. One year later, the rapid group maintained a 14.4% weight loss versus 10.5% in the gradual group.
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The study’s authors emphasize that structured, professionally supervised rapid weight loss programs can yield better outcomes and reduce obesity-related health risks more effectively than traditional gradual methods. Lead researcher Dr. Line Kristin Johnson from Vestfold Hospital Trust stated, “Our findings challenge the prevailing belief that slow and steady weight loss is essential to prevent regain. Rapid weight loss, when managed correctly, can lead to greater sustained success.”
These insights offer promising alternatives for obesity treatment, especially for individuals who cannot access medical or surgical interventions. As Dr. Marie Spreckley from the University of Cambridge noted, “Rapid weight loss, delivered safely within a structured program, should be recognized as an effective and sustainable treatment option.”