News summary

Ketones and brain health: from metabolic rescue to metabolic flexibility

Source: Frontiers - Health • Published: 21 Sept 2026, 00:00

Summarized by Masters of Longevity from Frontiers - Health.

Ketones and brain health — a short review exploring how intermittent mild ketosis might function as a normal metabolic switch that promotes long-term cerebral resilience and adaptability.

Ketones and brain health: from metabolic rescue to metabolic flexibility
Key Takeaways
  • Intermittent, mild physiological ketosis can enhance cerebral metabolic flexibility by increasing brain ketone utilization capacity.
  • Ketone bodies enter and are oxidized by brain cells via monocarboxylate transporters, which adaptively increase with sustained ketone exposure.
  • Regularly alternating glucose and ketone fuel use may activate mitochondrial, antioxidant, and neurotrophic pathways that support long-term brain resilience.
Read the full article at Frontiers - Health

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