Interesting but they had no control.

19 participants.

  We saw this effect, so it's real. 

  We saw this effect in a small study, so it's worth doing a larger study.

The abstract begins, "Growing evidence supports early eating to control appetite and energy balance". What does that mean? My unskilled reading of it is that there is recent evidence that eating breakfast helps with weight loss. But I'm confused because there was a 2019 meta-analysis that found that eating breakfast does NOT help with weight loss. https://www.bmj.com/content/364/bmj.l42

It sounds like this study might have been funded by.... Big Breakfast.

I'll see myself out.

TLDR: A weight loss diet centered around a big breakfast yields weight loss results. That breakfast loaded with protein made you feel fuller and suppressed your appetite (which helps you follow a diet), where a fiber loaded diet produced more beneficial gut bacteria.

The study has a pretty small sample size, but it seems well designed and matches what you'd expect.

study says we should do a real study

"big meal alters appetite" is a hell of a conclusion. Definitely going to need to study that one.

Asked Grok to ELI5 the abstract:

*Okay, kiddo, imagine this like a fun science experiment about breakfast!*

Scientists wanted to know: *"Does what you eat for breakfast matter a LOT when you're trying to lose weight?"*

They got 19 grown-ups who were carrying extra weight. Each person tried *TWO different "big-breakfast" diets* for 28 days each (like a month). - Both diets made people eat *most of their food early* (45% at breakfast, then less and less during the day). - The only big difference? The *breakfast itself*!

*Diet 1: High-Fiber Breakfast* (think lots of fruits, veggies, oats, beans — the "rough, chewy" stuff) *Diet 2: High-Protein Breakfast* (think eggs, yogurt, chicken, beans — the "filling, muscle stuff")

### What happened?

1. *Weight loss* - High-fiber breakfast diet → people lost *more weight* (about 11 pounds / 4.87 kg) - High-protein breakfast diet → people lost *a bit less* (about 8.5 pounds / 3.87 kg) → So the fiber one won for dropping pounds!

2. *Feeling hungry* - High-protein breakfast was the *winner* here. People said they felt *fuller and less hungry* all day.

3. *Tiny bugs in your tummy (gut bacteria)* - High-fiber breakfast made the *good bugs* super happy and grow way more! (Special helpful ones like "Bifido", "Faecalibacterium" and "Roseburia" — they make a healthy tummy juice called butyrate.)

### Super simple takeaway (the ELI5 version):

- Eating a *big breakfast* helps you lose weight (way better than skipping it or eating late). - If you want to *lose the most weight* and keep your tummy bugs healthy → load up on *fiber* at breakfast. - If you want to *feel the least hungry* → load up on *protein* at breakfast.

Both are good! The scientists basically proved: *Breakfast is the boss of your day.* Make it big, and whether you pick the "chewy veggie" version or the "eggy" version changes what wins — more weight gone, less hunger, or happier belly bugs.

Pretty cool, right? Breakfast isn't just food... it's like a remote control for your body!