Comment by majkinetor
3 days ago
That is not correct.
People lose fat on calorie restricted diet. How will you get to it, either by counting them or by improving metabolism or by changing insulin levels, is a different thing.
Vegan or keto diet can both be calorie restricted, as much as any macronutrient mixture. However, it doesn't mean its sustainable. If you are hungry all the time, you can stay on the diet for some time, but not forever. Since insulin is the primary storage hormone, reducing it will make you less fat (just look at type 1 diabetics). We now know that carbs are the highest promoters of insulin, that fat has 0 influence, and protein some. We have drugs like metformin or GLP-1 that brute force some of it and they are working.
So, we know that sugar is mostly bad and that fat and protein are not. Ofc, some fats are bad for other reasons (by promoting inflamation) but that has nothing to do with obesity.
Thing about the keto diet is that "hungry all the time" simply... doesn't happen. In fact, bigger problem for keto dieters tends to be being satiated all the time and consequently undereating.
"Hungry all the time" is actually vegan thing, but plants have so few calories and pass through so quickly that vegans end up being skinny despite eating literally all the time.
> plants have so few calories
You mean leafs, not plants? Cereals, beans, fruits and some roots have plenty of calories but your true fatty friends are all sorts of seeds and nuts. You also can buy their fat extract: oil.
It is not just issue of raw calories but how much body can absorb. Fruitarians for example tend to be corpse-skinny despite fruit being full of sugar, because most of that sugar simply passes through. So effective calories are less than what sugar content would indicate.
But grains and seeds do seem to be quite obesogenic, yes.
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I think it's an adequate-good-quality-protein-consumption thing rather than a keto specific thing.
It is definitely not protein. I tried carnivore diet for a while (had massive issues tolerating carbs lol), and the higher my protein intake was, more hungry I felt. Reducing protein and increasing fat also increased satiety.
Turns out, it is fats that produce satiety signals, and the effect seems to be by far the strongest with saturated fats, weaker with monounsaturated fats, while polyunsaturated fats actually induce hunger as strongly or even more strongly than carbohydrates do. The idea that "protein induces satiety" is a side effect of the fact that most (though not all) protein foods tend to be quite fatty.