Back in hunter-gatherer days, the Keto diet was not known as such. When carbs were scarce, it was just how you ate. When carbs are limited, the human body’s usual brain fuel, glucose, is depleted. Instead, we produce ketones to ensure our survival and well-being.
This distinct metabolic state is known as ketosis, and it is from which the Keto diet derives its name. However, depending on your objectives and interests, there are numerous methods to eat Keto.