Is it true that adhd kids benefit from high protein breakfast?

What the evidence says

The idea that a high-protein breakfast helps kids with ADHD (attention-deficit/hyperactivity disorder, a condition that affects focus, impulse control and activity levels) is popular, but the science behind it is still thin.

The Canadian Paediatric Society's main guidance on treating ADHD focuses on medication, behaviour support, and general healthy habits like sleep and diet overall. It does not single out high-protein breakfasts as a proven treatment.

A small study from Iran gave kids with ADHD a daily whey protein supplement alongside their usual treatment. After 8 weeks, parents reported less hyperactivity, and a computer attention test also showed improvement. But this study was small, not blinded, and used a protein supplement rather than a typical high-protein breakfast, so it can't tell us for sure that eating eggs or meat in the morning will have the same effect.

Other research looking at diet patterns more broadly found that kids whose ADHD symptoms improved over time tended to eat more plant-based protein, while animal protein and fat were linked to worse attention scores. But this kind of study only shows a connection, not that protein caused the change, since many other factors could explain the link.

A broader review of breakfast and children's thinking skills found very mixed results when comparing high-protein to high-carbohydrate breakfasts, with benefits showing up in some studies but not others, and sometimes only in girls. So while a good breakfast is generally a healthy habit, no one can currently promise a high-protein version will meaningfully ease ADHD symptoms.