Obesity is a primary public health issue; the prevalence of obesity and obesity-related diseases is rising day by day with the rise of urbanization. A variety of diets have been recommended to avoid obesity, with the practice of intermittent fasting increasing. Intermittent Fasting (IF) involves a calorie cap used for weight loss of one day or more per week, regular as a long-lasting quick. Despite the recent popularity of occasional power restrictions and applications related to weight loss, supporting evidence is minimal. In the treatment of obesity and overweight, investigate the facts of intermittent fasting (IF), another type of a calorie-restricted diet. To accomplish this goal, preliminary analysis, review articles and reviews released over the past five years have been analyzed with various research data such as NCBI, EMBASE, Google Scholar, PubMed/MEDLI NE, MDPI, and Clinicictrials.gov from related clinical trials and animal studies with English terms search: prolonged, intermittent fasting, time limit, adipose, other fasting, obesity. Extra research to identify. Reviews are defined by offering more details and advice to readers than is likely here. The latest literature on the different effects of intermittent fasting is summarized in the following pages. Almost all intermittent fasting studies have findings of weight loss ranging from 2.5-9.9 percent and a large reduction in body fat. Clinical studies have shown that fasting can alter body fat and metabolic parameters in obese patients. The reduction of body fat and the activation of complex fasting strategies are responsible for these positive effects. An effective strategy for obesity and overweight may be endless energy restriction. These research findings indicate that a daily fasting program will decrease obesity and obesity, enhance other biomarkers related to health, decrease fat mass, and preserve muscle mass.