If you want a flat stomach, fix your cortisol ASAP. I switched my approach a month ago and I'm super pissed I didn't start sooner.
Here's what actually got rid of belly fat:
iOS 26 installed a tracker on my iPhone.
I didn't agree to it.
Apple didn't ask me.
I only found out because my battery died by 2PM.
Here are the 5 settings Apple turned ON without permission: