Nutrition

What you eat plays a foundational role in how well you age. Our nutrition guides explore the dietary patterns most strongly linked to a longer, healthier life, cutting through the fad diets to focus on what the research supports for adults over 45.
We cover the core principles of the Blue Zones diet, the benefits and risks of intermittent fasting for older adults, and the specific foods that support metabolic and cellular health. Eating well for longevity doesn’t have to be complicated — it’s about making sustainable, informed choices over the long term.
Not medical advice. Consult your clinician for personal medical decisions.
Looking for a structured approach? See how nutrition fits into a complete Personal Longevity Protocol.

Choose a next step:

• Read gut-health claims critically: Explore the microbiome guide for evidence limits and questions to discuss before treating a test or product as an answer.
• Keep one food-related habit visible: Use the free one-page habits printable to choose a manageable routine; it is not an individual nutrition plan.
• Clarify what a healthy-aging outcome means: Read the healthspan and lifespan guide to keep everyday function and quality of life separate from promises about extra years.

Looking for a structured starting point? Visit the nutrition reading hub before choosing another individual article.