Why eating no carbs with lots of protein makes you less hungry

Original Title

Presence or absence of carbohydrates and the proportion of fat in a high-protein diet affect appetite suppression but not energy expenditure in normal-weight human subjects fed in energy balance

Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms

Summary

When you eat a lot of protein and no carbs, your body starts burning fat for fuel and makes chemicals that tell your brain you're full — even if you're not losing weight.

Proposed Mechanism

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.

Quality Analysis
Methodology
59%
Moderate QualityOverall Score
Randomized Controlled TrialNutrition

Systematic Reviews & Meta-Analyses

Max 100

Randomized Controlled Trials

Max 90

Cohort Studies

Max 72

Case-Control Studies

Max 58

Cross-Sectional Studies

Max 44

Case Reports & Case Series

Max 30

Expert Opinion & Narrative Reviews

Max 5
StrongerWeaker
Randomized Controlled Trials
Level 1b
59

59 / 90

Evidence Score

Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.

Sign up free to unlock the full quality breakdown with evidence strength scoring, statistical analysis, and detailed methodology.