Adherence
Higher dietary adherence significantly accelerates weight loss (reduces days to target BMI), whereas greater severity of caloric restriction inversely reduces dietary adherence.
To lose weight faster, focus on sticking to your diet rather than restricting calories as severely as possible. The study proves that higher adherence leads to faster results, and severe restriction (like 800 kcal) often causes people to give up or eat more than expected, slowing progress. Aim for a moderate, sustainable deficit based on your energy needs rather than a generic extreme low-calorie plan.
Dietary adherence is strongly associated with rates of weight loss and adversely affected by the severity of caloric restriction.
Why this rating
Randomized controlled trial with objective measures (DLW, DXA) and a large sample size (n=141), though limited to premenopausal women.
Source
Effect of Dietary Adherence with or without Exercise on Weight Loss: A Mechanistic Approach to a Global Problem
Pedro Del Corral et al. · The Journal of Clinical Endocrinology & Metabolism · 2009
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