reac longevity blog

Energy metabolism and ageing: because we feel more tired

Energy metabolism changes with age. Find out why we feel more tired and what biological processes affect cellular energy.

  • 15 May 2026
  • Prof. Dott. Salvatore Rinaldi
metabolism-energy-and-ageing-reac-inside-blue-zone

Energy metabolism is the basis of every vital function. As we age, this system may become less efficient. Cells produce energy less optimally, while increasing the body’s difficulty in adapting to environmental demands.

This often results in widespread symptoms such as persistent fatigue, reduced resilience and decreased performance.. Metabolism is not only a biochemical process, but a system regulated by complex signals that coordinate cellular activity..

The most advanced strategies in longevity medicine today focus on improving metabolic efficiency through the support of regulatory mechanisms.. Supporting metabolism means supporting the body’s ability to maintain its vital functions over time.

In this context, projects such as REAC Inside Blue Zone™ The aim is to intervene in the body’s energy regulation mechanisms, with the aim of promoting greater metabolic efficiency over time.

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