Scientists May Have Found A “Fourth Fuel” That Can Power Humans

Food can be broken down into three macronutrients: fat, protein, and carbohydrates. Now, according to scientists at Oxford University and the National Institute of Health (NIH), there could be a “fourth macronutrient” called ketones. 

Ketones aren’t anything new, but you won’t find them naturally occurring in the food we eat. Instead, the substance is produced in the liver as part of a biological process to help us cope with starvation. If we don’t have enough fuel from food, the body digs into its internal fat supplies, breaking it down into ketones.  

Normally, you have to reach starvation mode to produce ketones – a state that can be triggered by the ketogenic (or keto) diet, which involves a very strict low-carb meal plan and may include feelings of euphoria. Soon, however, this magical substance will be available commercially. A ketone drink is set to hit the market and will be sold by the San Francisco based start-up HVMN, apparently pronounced “human”.


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