How do I stop my metabolism from slowing down with age?
Short answer: You can’t completely stop the normal age-related decline in metabolic rate, but you can substantially slow it by preserving or increasing lean muscle, staying physically active, eating adequate protein, getting good sleep, and avoiding chronic calorie restriction. Small, consistent lifestyle changes are the most effective way to maintain a higher metabolic rate as you age.
Explanation
Basal metabolic rate (BMR) typically falls with age because of loss of muscle mass (sarcopenia), hormonal changes, and decreased overall activity. Muscle tissue burns more calories at rest than fat, so preserving or building muscle offsets much of the decline. Other contributors include less non-exercise activity (NEAT), poorer sleep, and medical issues (thyroid dysfunction, medications). Lifestyle measures that target muscle mass, activity level, and recovery are evidence-based ways to slow metabolic slowdown.
Tips
- Do regular resistance training (2–4 sessions/week) to maintain or increase lean muscle mass.
- Consume adequate protein (commonly ~1.0–1.6 g/kg/day for many adults; aim for 20–40 g high-quality protein per meal) to support muscle repair and growth.
- Keep daily activity high: combine cardio, strength work, and NEAT (walking, standing, chores) to raise total energy expenditure.
- Aim for 7+ hours of quality sleep and manage chronic stress, both of which affect hormones that influence metabolism.
- Avoid prolonged very-low-calorie diets and rapid weight loss, which accelerate muscle loss and metabolic adaptation.
- Check medical causes if you notice unusually rapid metabolic changes (thyroid, medications, hormonal issues) with a healthcare provider.
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