The Importance of Nutrition for Healthy Ageing: Feeding Longevity from the Inside OutHealthy ageing depends on balanced nutrition to support muscle strength, bone density, and cognitive vitality. From age 40, physiological changes reduce nutrient absorption and increase inflammation, making protein, healthy fats, essential vitamins, and hydration crucial. Key strategies include consuming 1.2–1.6 g/kg of protein daily, prioritizing omega-3s and antioxidants, limiting processed…Healthy ageing depends on balanced nutrition to support muscle strength, bone density, and cognitive vitality. From age 40, physiological changes reduce nutrient absorption and increase inflammation, making protein, healthy fats, essential vitamins, and hydration crucial. Key strategies include consuming 1.2–1.6 g/kg of protein daily, prioritizing omega-3s and antioxidants, limiting processed foods, ensuring adequate hydration, and promoting gut health through fibre and probiotics. Meal timing and consistent eating patterns also support metabolic health. Emphasizing Mediterranean or plant-forward diets combined with regular exercise fosters regeneration and longevity. Supplements like Vitamin D and B12 can aid specific needs. Adopting a nutrient-rich, anti-inflammatory diet helps slow biological ageing, enhance energy, and protect against chronic disease, enabling better quality of life as we age.