Intermittent fasting is one of the most popular methods for weight loss practiced by many people worldwide. It has been promoted as an effective way to shed kilograms safely, but a recent study suggests the method has no impact on your weight loss journey and may be just hype.
A newCochranestudy found that intermittent fasting is no better than traditional dietary advice or even doing nothing at all.
According to the study, researchers collected data from 22 clinical trials that included nearly 2,000 adults across Europe, North America, China, South America, and Australia, using various approaches to intermittent fasting. It examined various intermittent fasting approaches, including periodic fasting (5:2 diet), alternate-day fasting, and time-restricted eating (16:8 diet). Participants were followed up for up to one year.
Across the studies reviewed, weight loss differences between intermittent fasting and conventional dieting were statistically negligible. Those who followed fasting routines did lose some weight, but not significantly more than those who followed standard dietary advice or even those who made no structured dietary changes. In some cases, fasting only resulted in about 2 to 5 per cent average weight reduction over 6 to 12 months, a modest drop that researchers say may not be clinically significant.
Intermittent fasting works on the claim that it triggers unique metabolic effects like boosting fat burning or improving insulin sensitivity. However, the newer research has challenged this idea.
According to the study, when calorie intake remains the same, not eating for hours cannot produce any meaningful improvements in blood sugar, cholesterol, or inflammation levels. This suggests that any benefits seen from intermittent fasting likely come from just eating fewer calories overall, not from the fasting schedule. In other words, intermittent fasting may work primarily as a tool for calorie reduction rather than offering any special biological advantage.
The study mostly included participants from high‑income, predominantly white populations. On the other hand, obesity is a big challenge and continues to rise rapidly in low- and middle-income countries, underscoring the need for further research into long-term outcomes of intermittent fasting.
Intermittent Fasting is as good as conventional fasting
Intermittent fasting gained massive popularity because it felt easier than traditional dieting. Instead of constantly counting calories, people simply followed a clock. And it can still help some individuals. According to Harvard, fasting may:
While weight loss remains fundamentally tied to energy balance and consumption of fewer calories than the body burns, there is no quick fix or lasting solution that you can find through fasting.
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