What diet helps you lose fat without losing muscle?
Quantitative analysis of the caloric restriction versus isocaloric diets models based on macronutrients composition: impacts on body weight regulation, anthropometric, and bioimpedance parameters in women with obesity
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study tested different diets on women trying to lose weight. Some diets cut calories, others changed what they ate but kept calories the same.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 549 / 72
Evidence Score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study tested different diets on women trying to lose weight. Some diets cut calories, others changed what they ate but kept calories the same.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 549 / 72
Evidence Score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Publication
Authors
Pescari D, Mihuta MS, Bena A, Stoian D
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Claims (6)
The metabolic improvements observed during initiation of very-low-carbohydrate or carnivore diets are primarily attributable to caloric restriction and elimination of ultra-processed foods, not to the physiological effects of animal product consumption alone.
When obese women eat more protein while losing weight, they tend to gain more muscle and lose more fat than when they just eat fewer calories overall.
When obese women eat fewer carbs (but not fewer calories), they lose more belly fat and shrink their waistline more than when they just eat less food overall.
When obese women follow a very low-carb, high-fat diet (ketogenic), they lose more belly fat and keep more muscle than when they just eat fewer calories.
When obese women eat extremely few calories (under 800 per day), they sometimes gain belly fat, lose muscle, and don’t lose much fat—making it worse than eating a little less.