At what point does “healthy eating” become an eating disorder?

[BlueHeron]

This might be answered best by looking at how the word disorder is used in a clinical setting.

Disorder – An illness that disrupts normal physical or mental functions.
Oxford English Dictionary

This is a quote from an article about OCD:
“Looking at disorders in a little more detail, they are physical or mental conditions that disturb the regular or normal functions of everyday activities and day to day life. They can take up a lot of time and complicate the normal functioning of an individual.”

It’s not a clear-cut distinction, but basically if concern over food or eating habits are disrupting your ability to live the life you want, then it might be a disorder.

There is also a dedicated thread on the forum for discussing eating disorders;

Eating disorders help and support thread

Awesome, this is something that has really helped me too. Not power gain exactly, but the idea of creating performance goals and letting those determine your eating habits. Rather than the opposite; feeling like there are certain ways you need to eat, and performance being determined by whatever those eating habits happen to be.

Your description does not sound like a disorder to me. You are conscious about how you eat and how it affects your health, and you make decisions accordingly. Nothing necessarily disordered about that.