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

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.