Metabolic flexibility is the ability of an individual's metabolism to adapt and switch between different energy sources (primarily carbohydrates and fats) in response to changing energy demands and nutritional availability.

A metabolically flexible person can efficiently utilize both carbohydrates and fats for energy, shifting between them as needed. 

This flexibility is essential for overall health, optimal physical performance, and effective weight management.

PNOE's Resting and Active Metabolism tests, combined with other measurements, can provide insights into an individual's metabolic flexibility or inflexibility.

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