Meals with more protein tend to make people eat less at their next meal.
See the scientific wording
High-protein meals are associated with reduced subsequent energy intake compared to lower-protein meals, suggesting a potential role in appetite regulation.
Correlational — new studies may shift this
One low-scoring study links this claim to the outcome, but causation is not established.
What the research says
1 study reviewedSupporting (1)
The Effects of High Protein Diets on Thermogenesis, Satiety and Weight Loss: A Critical Review
Systematic Review With Meta-AnalysisMeta-analysis2004
This study found that eating more protein at meals makes people feel fuller longer, so they eat less later — which is exactly what the claim says.
Contradicting (0)
No contradicting studies found yet
That doesn't mean it's settled — it just means no study has tested the opposite.
Quality-weighted scoring: we follow the GRADE framework — each study is rated High, Moderate, Low, or Very Low based on study design, methodology rigor, and risk of bias. A single high-quality RCT can outweigh several weaker observational studies.
Scores reflect study quality, not just count.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting study
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Meals with more protein tend to make people eat less at their next meal.
Evidence from Studies
Supporting (1)
Community contributions welcome
The Effects of High Protein Diets on Thermogenesis, Satiety and Weight Loss: A Critical Review
This study found that eating more protein at meals makes people feel fuller longer, so they eat less later — which is exactly what the claim says.
Contradicting (0)
Community contributions welcome
Score Breakdown
No multi-axis breakdown available yet. The overall Pro / Against score above is the best signal.
- No clinical evidence is available; the score reflects mechanistic plausibility only.
What Would Prove This
Per GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this claim, ordered from strongest to weakest.
The pooled reduction in ad libitum energy intake following high-protein meals across controlled feeding studies.
A meta-analysis of 25+ randomized crossover trials in adults comparing isocaloric meals with 25–30% vs. 10–15% protein, measuring total energy intake at the next ad libitum meal within 2–4 hours, with standardized meal timing and composition.
Causal effect of protein content on next-meal intake in a controlled setting.
A double-blind RCT of 50 adults consuming breakfasts with 10%, 20%, or 30% protein (matched for calories/fat) on separate days, with lunch intake measured ad libitum after 3 hours.
Association between habitual protein intake and daily total energy intake in free-living individuals.
A 2-year prospective cohort of 4,000 adults tracking daily protein intake via food diaries and total daily energy intake via wearable sensors, adjusting for physical activity and sleep.