Which Diet Works Better: Fasting Sometimes or Eating Less Every Day?
Intermittent Fasting versus Continuous Calorie Restriction: Which Is Better for Weight Loss?
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Modified ADF delivered a large weight‑loss advantage (SMD = ‑0.69) while typical 2‑day‑a‑week IF showed no advantage.
Most popular IF advice (e.g., “eat normally two days, fast two days”) is assumed to be effective, yet the evidence shows otherwise.
Practical Takeaways
If you want to try fasting for a slight edge, consider a modified alternate‑day schedule (e.g., 75 % of calories on “fast” days) rather than the classic 2‑day‑a‑week approach.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Modified ADF delivered a large weight‑loss advantage (SMD = ‑0.69) while typical 2‑day‑a‑week IF showed no advantage.
Most popular IF advice (e.g., “eat normally two days, fast two days”) is assumed to be effective, yet the evidence shows otherwise.
Practical Takeaways
If you want to try fasting for a slight edge, consider a modified alternate‑day schedule (e.g., 75 % of calories on “fast” days) rather than the classic 2‑day‑a‑week approach.
Publication
Journal
Nutrients
Year
2022
Authors
Qing Zhang, Cai-shun Zhang, Hai-dan Wang, Zheng-ye Ma, De-feng Liu, Xiaohan Guan, Yixin Liu, Yanqing Fu, Mingxuan Cui, Jing Dong
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Claims (5)
If you eat the same number of calories and protein, fasting every now and then works just as well for losing weight as eating less every day.
People who try intermittent fasting tend to lose a little more weight than those who just cut calories continuously, according to several studies.
For adults who are overweight or obese, cutting calories all the time works about the same as fasting on and off when it comes to losing weight — both help lower BMI just as much in the short to medium term.
If you're trying to lose weight and are overweight or obese, cutting calories just two days a week doesn’t work much better than cutting them every day — the difference is pretty small.
For people who are overweight or obese, cutting calories all the time works about the same as intermittent fasting when it comes to cholesterol, triglycerides, and belly fat — neither one has a clear edge.