A one-to-one ketogenic diet (e.g., 200g fat, 150g protein, 50g carbs) is a liberal version that produces a mild state of elevated ketones.

“So, that's a one-to-one ketogenic diet, and that sounds extremely high in fat, right, 200 grams of fat and 150 grams of protein. But that's actually the very liberal, more loose version of the ketogenic diet that produces a very mild state of elevated ketones.”