Yes it is about calories, but calories are downstream of food selection.
WHAT YOU EAT DETERMINES HOW MUCH YOU EAT.
The source matters but to lose weight, you still have to eat fewer calories than you burn to lose weight over time. As Dr Westman would say "That's Just Science, Like Gravity".
At minute 5, he explains with new studies that Dr Atkins, Gary Taubes and many others have been wrong on the Extent of a Low Carb Metabolic Advantage. Yes, there is one but it is Very Small.
This in one of his many videos on why Calories Count:
https://youtu.be/y6bqm2tYdD0?si=zzWNLarZhR0dueOb
From Tamar Haspel's article:
Quote:
So here’s the burning question: Given all the ways different foods affect calorie absorption and burn, why the focus on calories rather than food? Because all those ways are small. So small that, in trial after trial, no diet, based on any of these things, significantly outperforms any other diet in the long term.
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Quote:
[Tamar] started off talking about all those ways that what we eat affect how we absorb or burn calories, but [Marion Nestle] dismissed them wholesale. “It’s trivial!” she said. “In studies where people were locked in metabolic wards, if the calories were lower, they lost weight at a predictable rate, regardless of the composition of the diet.” The diets, she said, “varied from 80 or 90 percent carbs to 80 to 90 percent fat.” And it just didn’t make much difference.
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There are posts for "carnivore" eating, high fat meat, processed meats, bacon, sausage, cream, cheese, pork rinds, keto desserts, even at zero carbs, but no weight loss. This should not be a surprise. If instead that protein macro was the same, but with lower fat and higher fiberous carbs, it would be lower calorie yet also be more satiating.
Dr Naiman has a meme; everyone eats about four pounds of food a day, he shows 1 pound each NF greek yogurt, salmon, 9 eggs and plain baked potato, totaling 1600 calories. Photos from a "keto fest" dinner showed pork belly, grilled cheese sandwiches and ice cream. In calories per pound, pork belly 2300, almond flour 2600, cheese 1800, cream 1540, totaling 8240 calories.
Big Fat Keto Lie #9 is Calories Don't Count:
https://optimisingnutrition.com/big-fat-keto-lies/