It's definitely effective for weight loss and it's gained popularity because there are no special foods or apps necessary.
Of the studies examined, many showed that time-restricted eating allowed participants with obesity to lose an average of 3% of their body weight—no matter the length of their eating window.On the other hand, those who participated in alternate-day fasting dropped 3%-8% of their body weight over a three to eight-week period.
Surprisingly, those who did the 5:2 diet had comparable weight loss results with those who did alternate-day fasting, despite having fewer fasting periods?Participants who did both of these fasting diets kept the weight off, maintaining an average of 7% weight loss for a whole year!