Why protein makes you burn more calories — but only if you're not overweight
Effects of Varying Protein Amounts and Types on Diet-Induced Thermogenesis: A Systematic Review and Meta-Analysis
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Eating more protein makes your body burn more energy after meals, but this only works if you have a normal weight. Over time, your body gets used to it and stops burning extra calories from protein — but still burns more overall.
Surprising Findings
Chronic high-protein diets increase resting energy expenditure by 18% but do NOT increase diet-induced thermogenesis (DIT) over time.
Everyone assumes the post-meal calorie burn from protein lasts—this study proves it doesn’t. Your body adapts to the protein, so the acute boost vanishes, yet your baseline metabolism stays elevated. This is a hidden, long-term benefit most people don’t know about.
Practical Takeaways
If you're normal weight, increase protein at meals (e.g., 25–30g per meal) to boost post-meal calorie burn and fat oxidation.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Eating more protein makes your body burn more energy after meals, but this only works if you have a normal weight. Over time, your body gets used to it and stops burning extra calories from protein — but still burns more overall.
Surprising Findings
Chronic high-protein diets increase resting energy expenditure by 18% but do NOT increase diet-induced thermogenesis (DIT) over time.
Everyone assumes the post-meal calorie burn from protein lasts—this study proves it doesn’t. Your body adapts to the protein, so the acute boost vanishes, yet your baseline metabolism stays elevated. This is a hidden, long-term benefit most people don’t know about.
Practical Takeaways
If you're normal weight, increase protein at meals (e.g., 25–30g per meal) to boost post-meal calorie burn and fat oxidation.
Publication
Journal
Advances in Nutrition
Year
2024
Authors
Liana L. Guarneiri, Caryn G. Adams, Bibiana Garcia-Jackson, Katie J Koecher, Meredith L. Wilcox, Kevin C. Maki
Related Content
Claims (10)
Diet-induced thermogenesis is significantly higher for dietary protein compared to carbohydrates and fats due to the greater metabolic cost of protein absorption, transport, and amino acid metabolism.
Diet-induced thermogenesis is significantly higher for dietary protein compared to carbohydrates and fats due to the energetic cost of protein absorption, metabolism, and amino acid synthesis.
Chronic elevation of protein intake beyond the threshold required for maximal muscle protein synthesis does not sustainably increase diet-induced thermogenesis or total daily energy expenditure.
Eating more protein every day for weeks or months makes your body burn more calories even when you’re resting — even if you don’t lose weight.
Whether you get your protein from chicken, tofu, milk, or fish, it doesn’t make your body burn more calories — the amount of protein matters more than the source.