When you remove a nutrient from your diet (carbohydrates or fat), you will not lose fat if you consume an excess of calories. For fat loss, calorie consumption is the most important factor.
I know a lot of keto dieters and temporary fasting advocates who have not felt meager remotely for a year or more. It's not that keto does not work for fat loss. If you consume a surplus of calories while eating keto, you gain in fat, just as you do with any style of eating.
That said, calories are not the only important factors, especially if you're interested in improving body composition from muscle to fat).
Insulin: not the devil
Many people will say things like insulin sensitivity, only calories. I've even read an evidence-based expert (of whom I have the highest respect) who says insulin will never make you fat.
Technically he is right. Insulin facilitates the absorption of absorbed nutrients into their respective storage facilities ̵
But if your insulin is raised above a certain point, you can not get fat as fat burn efficiently. If your body has produced a lot of insulin after a carbohydrate-rich meal, it will stay elevated longer. They remain inefficient in mobilizing fat for a long time. Insulin overproduction prevents efficient fat loss.
And also affects the muscle. Muscle growth actually benefits from insulin production, especially if your muscle cells are insulin-sensitive than your fat cells. If this is the case, you can better divide the nutrients into muscle cells.
Did you understand that?
Insulin is not always bad. It is important for muscle growth. If it was just about making people fat and not making muscles grow, they would not be splashed out by bodybuilders. But they are. This should be a strong indication for keto dieters that the goal of maintaining low insulin levels is not ideal if you want to build muscle.
Insulin itself is anabolic and anti-catabolic. As? By directly increasing mTOR activation and nutrient uptake of your muscle, and indirectly increasing IGF-1 released by the liver.
Although calorie intake is the key to losing or losing weight (and losing muscle), insulin and insulin sensitivity is also important.
Should you go to Keto?
The best damn diet for natural lifters