Hormonal
Intermittent energy restriction (IER) using moderate energy restriction interspersed with diet breaks achieves equivalent fat loss and fat-free mass retention compared to continuous energy restriction (CER) in resistance-trained adults, while significantly reducing hunger and desire to eat.
If you are resistance-trained and want to lose fat, using an intermittent dieting strategy (e.g., 3 weeks of moderate restriction followed by 1 week of maintenance calories) is just as effective for preserving muscle and losing fat as continuous dieting. The key advantage is that this approach significantly reduces hunger and desire to eat, making the diet easier to follow psychologically. Ensure you consume 2.3g of protein per kg of body weight daily and maintain your resistance training routine.
Similar fat loss and fat-free mass retention are achieved with mIER and mCER during 12 weeks of energy restriction; however, mIER is associated with reduced appetite. (Abstract, Lines 39-40)
Why this rating
Randomized controlled trial with intention-to-treat analysis, adequate power, and clear protocols, though limited to resistance-trained adults.
Source
Continuous versus Intermittent Dieting for Fat Loss and Fat-Free Mass Retention in Resistance-trained Adults: The ICECAP Trial
Jackson Peos et al. · Medicine & Science in Sports & Exercise · 2021
DOI 10.1249/mss.0000000000002636
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