Metabolic Flexibility: Nutritionist Deep Dive into a New Weight Loss Concept

Metabolic flexibility, a concept gaining traction in nutrition circles, refers to the body's ability to efficiently switch between energy sources like glucose and fat. Nutritionist Chang Hsin-fang explains that this flexibility is linked to stable blood sugar levels and insulin sensitivity.

Chang clarifies that metabolic flexibility is not achieved through extreme diets like fasting or complete carbohydrate elimination. It's also not a diagnosable disease. She advises caution when such terms are used to promote restrictive eating plans.

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The body's ability to flexibly switch energy sources according to the current situation.

To improve blood sugar stability and energy levels, Chang suggests four key practices: choosing high-fiber carbohydrates like brown rice and sweet potatoes over refined grains, ensuring each meal includes protein and vegetables for sustained satiety and a smoother blood sugar response, engaging in 10-15 minutes of light activity after meals, and prioritizing sufficient sleep, as poor sleep and stress can increase cravings for sweets and disrupt eating patterns.

Chang emphasizes that true metabolic flexibility comes from a balanced diet and regular exercise, enabling the body to consistently supply energy. Individuals with diabetes, those on medication, or experiencing symptoms like hand tremors and cold sweats should consult a doctor or nutritionist before making dietary changes.

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Metabolic flexibility is not achieved by enduring long periods of hunger, but by eating a balanced diet and exercising regularly, so that the body has the ability to steadily supply energy.