Peer-reviewed study
Eating speed can change calorie intake
Eating rate has sustained effects on energy intake from ultraprocessed diets: a 2-week ad libitum dietary randomized controlled crossover trial
Kris Oddo, NASM-certified personal trainer, is the founder and head coach of Gains From Geebs (Geebs Coaching), a 1:1 online fitness coaching practice.
Quick answer
What this study found
A mechanical change can make fat loss easier: slower, higher-chew meals can help you notice fullness before calories overshoot.
How strong is this kind of study?
- Reviews of many studies
- Controlled trialsThis study
- Observational
- Narrative reviews
Randomized controlled crossover trial. Heavier plates are built from more studies, so they move less when the next one lands.
At a glance
What kind of study this is
Strong evidence
A controlled trial, where people were randomly assigned. That is the design that can actually show cause rather than coincidence.
- Design
- Randomized controlled crossover trial
- Published
- 2026
- Journal
- American Journal of Clinical Nutrition
- Reference
- PMID 41314613
Honest limits
What this study does not prove.
The study does not make every ultra-processed food harmful. Eating rate, texture, protein, fiber, and calorie density all matter.
Kris's practical takeaway
Here's what to do with it.
A mechanical change can make fat loss easier: slower, higher-chew meals can help you notice fullness before calories overshoot.
Ways to use it
Safe ways to apply it.
Calories can disappear faster than fullness arrives
Chewing is underrated fat-loss design
Make slower meals your default
Related questions
Questions this research helps answer.
Fiber and fullness answer
Does fiber help with satiety?
Fiber can help meals feel more filling, but it is not magic by itself. The practical fat-loss move is to combine protein, fiber, water, and slower eating into default meals that reduce the need for willpower later.
Eating speed answer
Does eating speed matter for fat loss?
Yes, it can matter because fast, low-chew meals can let calories outrun fullness. The point is not to eat perfectly clean; it is to build meals that slow the process enough for hunger and portions to register.
Related guides and studies
Keep learning about nutrition.
FAQ
Quick questions
What is the practical takeaway from this study?
A mechanical change can make fat loss easier: slower, higher-chew meals can help you notice fullness before calories overshoot.
What does this study not prove?
The study does not make every ultra-processed food harmful. Eating rate, texture, protein, fiber, and calorie density all matter.
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25 lbAverage fat loss across 15 completed clients tracked over 16 weeks. Individual results vary.
1 of 3
2 months coachedDown 10 pounds and carrying more confidence into daily life.
Justin · 24 · 2 months coached“I've lost 10 lb, which has definitely given me more confidence. I'm not as tired during work and I can lift things easier than before.”
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Pick the one that fits your week.
You have read the argument. These are the options, and whichever one you pick carries into the application.
1 of 5
Most hands-onYou want a coach on training, food and accountability every day.- Daily replies, usually within the hour
- FaceTime meal prep: cook, portion, freeze the week
- Fully custom plan with Kris's own demo videos
Core 1:1You want a coach with you daily, without the concierge layer.- Custom training plan with demo videos
- Macros-based nutrition, no rigid meal plan
- Daily accountability at standard priority
New, self-drivenYou run your own week and want a coach reading the numbers.- Custom training and nutrition plan
- One recorded Loom review of your week
- Adjustments based on what the week showed
One-time guidanceYou want direction now without a monthly commitment.- A focused 45-minute Zoom with Kris
- A real diagnosis of what is holding back progress right now
- Guidance on training, nutrition, accountability, or schedule
Community membershipYou want a serious fitness community without a coaching contract.- Access to the Titan Forge Science-Based Telegram community
- Training, nutrition, recovery, and research discussion
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