The Blue Zones diet is based on how people eat in parts of the world where people live the longest. These regions, called Blue Zones, have high numbers of people who live to 100 years old.
Researchers studying these populations found that diet and lifestyle habits play a major role in longevity.
We spoke with Alexandra Lessem, a family nurse practitioner with Banner Health, about what you can learn from the Blue Zones diet and lifestyle.
What is the Blue Zones diet?
The Blue Zones diet is a mostly plant-based way of eating focused on whole, minimally processed foods.
“This diet is more about how you eat and live,” Lessem said.
People in Blue Zones eat:
- Mostly vegetables, fruits and whole grains
- Beans and legumes daily
- Very little processed food
- Small amounts of meat
What foods are part of the Blue Zones diet?
Eat more of:
- Vegetables and fruits
- Beans and lentils
- Whole grains
- Nuts and seeds
Eat less of:
- Processed foods
- Sugary drinks
- Red and processed meat
In moderation:
- Fish (a few times per week)
- Dairy (small amounts)
- Red wine (optional and moderate)
What are the “Blue Zones” locations?
The five original Blue Zones include:
- Ikaria, Greece
- Okinawa, Japan
- Sardinia, Italy
- Loma Linda, California
- Nicoya Peninsula, Costa Rica
What are the lifestyle habits in Blue Zones?
Only part of longevity comes from diet. Researchers identified nine key habits.
Key lifestyle factors:
- Daily natural movement
- Strong sense of purpose
- Stress reduction
- Close social connections
- Family-first mindset
- Community or spiritual involvement
How to follow the Blue Zones diet
You don’t need a strict plan. Start with small changes:
- Fill most of your plate with plant-based foods
- Add beans to meals daily
- Reduce processed food
- Eat slowly and stop when you’re about 80% full
- Prioritize meals with family or friends
What are the benefits of the Blue Zones diet?
Following these habits may help:
- Improve heart health
- Lower risk of diabetes
- Support brain health
- Maintain a healthy weight
- Promote longevity
Are there any risks?
The diet is generally safe, but:
- It may require a big shift if you eat a typical Western diet
- It can take more time to prepare meals
- Some people may need to adjust based on personal nutrition needs
Frequently asked questions about the Blue Zones diet
What is the Blue Zones diet?
A plant-based diet inspired by regions where people live the longest.
Do you have to be vegetarian?
No, but meat is eaten sparingly.
Do people in Blue Zones drink alcohol?
Some drink moderate amounts of wine, but it’s optional.
Is the Blue Zones diet healthy?
Yes, it’s linked to lower risk of chronic disease and longer life.
The bottom line
The Blue Zones diet is less about strict rules and more about sustainable habits. By focusing on whole foods, movement and connection, you can support your long-term health and well-being.
