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Ketones Uncovered

Ketones serve as a vital backup fuel for the brain, especially during low carbohydrate intake or fasting. Despite the common belief that ketones are the ultimate energy source, research reveals that they only provide about 30% of the brain's energy needs, with the rest coming from glucose and free fatty acids. These signaling molecules play a crucial role in communication with mitochondria, indicating their importance beyond merely being an energy source.