As people try fasting during January to lose weight, a study has found that intermittent fasting is no better than conventional calorie reducing diets. However, both will help people to lose weight, the study found.
Why is fasting different from dieting?
Calorie restriction means reducing average daily caloric intake below what is typical or habitual, without malnutrition or deprivation of essential nutrients. In a fasting diet, a person does not eat at all or severely limits intake during certain times of the day, week, or month.
Why is fasting so good for weight loss?
The rationale behind a weekly 24-hour fast is that consuming fewer calories will lead to weight loss. Fasting for up to 24 hours can lead to a metabolic shift that causes your body to use fat as an energy source instead of glucose ( 10 ).
Is it better to lose weight faster when fasting?
, a longer fasting period may not necessarily be better, according to a study published July 15 in Cell Metabolism. The study found that both an 18-hour and 20-hour fasting window worked equally well for weight loss by helping participants eat less without counting calories.
Why is fasting so effective?
Essentially, fasting cleanses our body of toxins and forces cells into processes that are not usually stimulated when a steady stream of fuel from food is always present. When we fast, the body does not have its usual access to glucose, forcing the cells to resort to other means and materials to produce energy.