View

The Study

Breakfasts Higher in Protein Increase Postprandial Energy Expenditure, Increase Fat Oxidation, and Reduce Hunger in Overweight Children from 8 to 12 Years of Age.

In simple terms

This study showed that when kids ate a breakfast with more protein, their bodies burned more fat and they felt less hungry for a few hours — but it didn't make them eat less at lunch. So we know protein changes how their bodies work right after eating, but not if it helps them lose weight over time.

55%

Analysis score

55/ 90

Maximum 90 for a randomized controlled trial.

Where the score came from

Reporting40
Methodology60
Publication100
Statistical23
Study type (basis of the score)
Randomized Controlled Trial
Level 1b - Individual RCT
What’s the bottom line?

This study tested if eating a breakfast with lots of protein (like eggs) instead of carbs (like cereal) makes kids burn more fat and feel less hungry.

Where does this study sit?

Reviews of RCTs (Meta-analyses)

Max 100

Randomized Trials

Max 90

Reviews of Cohort Studies

Max 85

Cohort Studies

Max 72

Reviews of Case-Control Studies

Max 63

Case-Control Studies

Max 58

Cross-Sectional & Case Series

Max 50

Expert Opinion

Max 5
StrongerWeaker
Randomized Trials
Level 1b
55

55 / 100

Quality score

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

Can establish causation

Save studies & get personalized insights

Create a free account to save this study, track new evidence as it comes in, and get breakdowns of studies in the topics you care about.

Key takeaways

Summary

Based on the study abstract and findings.

  1. 1Even though kids felt less hungry, they didn’t eat less at lunch, so protein didn’t help them eat fewer calories in this short test.
  2. 2Kids who ate the protein breakfast burned 16% more fat, felt 14% less hungry, and 32% fuller—but still ate the same amount of food at lunch.

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data

Publication

Journal

The Journal of nutrition

Year

2015

Authors

J. Baum, M. Gray, A. Binns

Open Access
39 citations
Analysis v5

Related Content

Claims (6)

Assertion

When children aged 8 to 12 eat a breakfast with 18 grams of protein instead of one with 3 grams of protein, their bodies burn more fat and use more energy in the hours after eating, regardless of their weight.

Causal
Read analysis
Assertion

For children aged 8 to 12, eating a breakfast high in protein instead of one high in carbohydrates leads to a measurable reduction in hunger and an increase in fullness within a few hours, regardless of their weight.

Quantitative
Read analysis
Assertion

In children aged 8 to 12, eating a protein-rich breakfast makes them feel less hungry and more full than a carb-rich breakfast, but they still eat the same amount of food at lunch. This shows that feeling fuller doesn't always mean eating less.

Descriptive
Read analysis
Assertion

Children who are overweight or obese burn more fat and use more energy after eating a high-protein breakfast than children of normal weight do, suggesting their bodies respond differently to the same meal.

Mechanistic
Read analysis
Assertion

When children aged 8 to 12 eat a breakfast high in protein instead of one high in carbohydrates, their bodies burn more carbohydrates for energy four hours after eating.

Causal
Read analysis
Assertion

When the body processes a large amount of energy from food and physical activity, it burns more calories at rest, breaks down more fat, and reduces feelings of hunger, regardless of whether total calorie intake exceeds or falls short of expenditure.

Mechanistic
Read analysis
Fit Body Science verdict — we translate health studies into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.