The Claim
Alternate day fasting, the 5:2 diet, and time-restricted eating result in mean weight loss similar to traditional calorie restriction in overweight and obese adults over 2 to 26 weeks, with a mean difference of 0.26 kg (95% CI: -0.31 to 0.84; p=0.37).
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In overweight and obese adults, alternate day fasting, the 5:2 diet, and time-restricted eating lead to the same amount of weight loss as traditional calorie restriction over 2 to 26 weeks.
See the scientific wording
Alternate day fasting, the 5:2 diet, and time-restricted eating produce similar weight loss to traditional calorie restriction in overweight and obese adults over 2 to 26 weeks, with mean differences of 0.26 kg (95% CI: -0.31 to 0.84; p=0.37), suggesting these intermittent fasting regimens are viable alternatives for weight management without superior efficacy.
When a person eats, the body stores excess energy as fat. When they stop eating for periods of time, the body switches to burning stored fat for energy. This back-and-forth between storing and burning fat increases how much fat gets used up, leading to weight loss. This happens whether the person eats fewer calories every day or skips meals on certain days.
What the research says
1 studyPeople who tried intermittent fasting (like skipping meals every other day or only eating during certain hours) lost about the same amount of weight as those who just ate fewer calories every day. So, fasting isn’t better or worse—it’s about the same for losing weight in the short term.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.