I switched over about four years ago to what some now call a pure foods diet. It's very sensible foods....some processed foods are okay, manufactured ones are not.
It's getting easier to choose decent foods, as more people become aware. The unintended consequence is that it's very easy to avoid over-eating. Pure foods get into your system very quickly so you're not hungry. The trick is to NEVER eat stuff your body shouldn't ingest.
That includes avoiding pharmaceuticals.
I’ll settle for eating progressively less and less stuff my body shouldn’t ingest. I’m not sure I understand your reasoning behind pure foods. To me, the benefits seem to be that, calorie for calorie, they’re far more nutrient rich relative to manufactured foods. They typically have a lower glycemic index, meaning they convert to sugar in your body more slowly. And They have no chemical junk in them. There are many benefits - too many to list.
I think a big factor in limiting over eating when trying to improve one’s diet is to get enough healthy fats. My current favorite breakfast (2nd b’fast a actually) is a cup of Cabot’s 10% milk fat Greek yogurt, a handful of raspberries from my yard, and several tablespoons of local honey.
Off to go biking. Happy 4th!