Nutrition and Longevity

Longevity Nutrition Fundamentals

Caloric Restriction

Multiple studies show that reducing caloric intake by 20-30% (without malnutrition) can extend lifespan. This activates cellular repair processes and reduces oxidative stress.

• Activates cellular autophagy
• Reduces systemic inflammation
• Improves insulin sensitivity
• Protects against neurodegenerative diseases

Anti-inflammatory Foods

Chronic inflammation accelerates aging. Consuming foods rich in antioxidants and anti-inflammatory compounds is essential.

• Berries: blueberries, blackberries, raspberries
• Fatty fish: salmon, sardines (omega-3)
• Cruciferous vegetables: broccoli, kale
• Spices: turmeric, ginger
• Nuts: walnuts, almonds

Quality Proteins

Adequate protein prevents sarcopenia (muscle loss) associated with aging.

• 1.2-1.6g per kg body weight for older adults
• Sources: fish, legumes, eggs, tofu
• Distribute intake throughout the day
• Prioritize complete proteins

Key Foods for Longevity

Leafy Greens

Spinach, kale, chard - Rich in vitamin K, folate, lutein. Protect brain and cardiovascular health.

Benefits

• Improve cognitive function
• Reduce cataract risk
• Strengthen bones

Green Tea

Contains catechins and EGCG, potent antioxidants that promote cellular longevity.

Benefits

• Improves metabolism
• Cardiovascular protection
• Neuroprotection

Extra Virgin Olive Oil

Rich in monounsaturated fats and polyphenols. Base of the Mediterranean diet.

Benefits

• Reduces inflammation
• Protects the heart
• Improves gut health

Legumes

Lentils, chickpeas, beans - High in fiber, plant protein and micronutrients.

Benefits

• Stabilize blood sugar
• Feed microbiota
• High satiety

Fermented Foods

Kimchi, kefir, plain yogurt - Natural probiotics for gut health.

Benefits

• Improve digestion
• Strengthen immunity
• Produce vitamins

Nutritional Practices

Intermittent Fasting

Alternating eating and fasting periods. Most common protocols are 16:8 or 5:2.

How to do it

• 16:8 - Fast 16 hours, eat in 8-hour window
• Start gradually (12 hours)
• Maintain hydration during fast
• Not for everyone - consult a doctor

Benefits

• Cellular autophagy
• Improved insulin sensitivity
• Body weight reduction

Nutrient Timing

When you eat can be as important as what you eat.

How to do it

• Protein-rich breakfast
• Complex carbs in first half of day
• Light dinner 2-3 hours before bed
• Higher caloric intake during daylight hours

Mindful Hydration

Water is essential for all cellular processes.

How to do it

• 2-3 liters daily depending on activity
• Drink water upon waking
• Include unsweetened teas and infusions
• Water before meals improves digestion

What to Avoid or Limit

Added Sugars

Accelerate cellular aging through advanced glycation (AGEs).

Impact: Increases inflammation, diabetes risk, cognitive decline

Ultra-processed Foods

High in sodium, trans fats and artificial additives.

Impact: Gut dysbiosis, cardiovascular disease, cancer

Excess Red Meat

Especially processed meats like cold cuts.

Impact: Increases cardiovascular risk and some cancers

Excess Alcohol

More than 1 drink per day can be harmful.

Impact: Liver damage, premature aging, cognitive decline

Science and Studies

Okinawa Study

Finding: Okinawa, Japan residents have one of the world's highest life expectancies. Their diet is based on vegetables, sweet potatoes, tofu and fish with 'Hara Hachi Bu' practice (eating until 80% full).

MIND Diet

Finding: Combination of Mediterranean and DASH diets. Studies show 53% reduction in Alzheimer's risk when followed rigorously.

Polyphenols and Longevity

Finding: Nature-published research shows plant food polyphenols activate longevity-related genes (sirtuins) and protect DNA.

Methionine Restriction

Finding: Animal studies suggest reducing methionine (amino acid abundant in meat) may extend life. This supports plant-based diets.

Practical tips

• Fill half your plate with varied vegetables
• Eat a handful of nuts daily
• Prioritize foods in their most natural form
• Eat the rainbow - variety of vegetable colors
• Chew slowly - improves digestion and satiety
• Cook at home most of your meals
• Read labels - avoid ingredients you don't recognize
• Incorporate anti-inflammatory spices into your dishes

Learn more

• book — How Not to Die — Dr. Michael Greger — Evidence-based guide on nutrition to prevent disease
• documentary — Blue Zones — Exploration of regions where people live longest
• app — Cronometer — Detailed micronutrient tracking