Yeah, probably so. Before I found lowcarb, for nearly 20 years I mostly ate once a day, in the evening. But I was profoundly insulin resistant. I think I had severe hyper-insulinemia for a very long time (and lipedema). I was huge and just kept getting bigger, and friends would be so baffled. I could stay with someone for days, a week, and I ate a fraction of the food any of them did, which I found normal, but clearly messed with their idea of what ‘had to happen’ for someone to be my size. Right now on keto, I eat vastly more than I did during that period, and I have vastly less muscle than I did then, and yet my weight maintains or reduces.
The first time I went into ketosis I felt like I’d taken a DRUG. I was WIRED. I’d never had so much energy since childhood. I think it was just that I finally got my insulin low enough for my body to access that energy. But for me at the time, it really was like a light switch.