“Blue Zone” is a time period for areas of the world the place folks are inclined to reside longer lives, typically reaching as much as age 90 and even age 100 and past (1).

At the moment, there are 5 identified Blue Zones. They’re:

  • Okinawa, Japan
  • Icaria, Greece
  • Sardinia, Italy
  • Nicoya, Costa Rica
  • Loma Linda, California

Analysis exhibits that whereas getting old is influenced by your genes and might differ from individual to individual, exterior components can vastly have an effect on how lengthy you reside. These could embrace eating regimen, life-style, stress, and social atmosphere (2, 3, 4, 5).

Although these Blue Zones are scattered everywhere in the world, their diets and existence share some similarities.

For instance, folks in these areas are inclined to train extra and eat numerous greens, nuts, entire grains, and legumes.

This text critiques the diets of every Blue Zone area.

Okinawa is a area on a bunch of islands referred to as the Ryukyu Islands within the south of Japan.

The Okinawa eating regimen refers back to the consuming sample its residents historically observe. Okinawans are among the many world’s longest dwelling folks. The eating regimen is low in energy but dense in vitamins (1, 6, 7, 8).

It’s primarily a plant-based eating regimen that facilities on the staple candy potato, leafy greens, yellow root greens, soy, and low glycemic index (GI) grains — those that don’t spike your blood sugar ranges (6).

By prioritizing these meals, the Okinawa eating regimen is wealthy in nutritional vitamins and minerals. It’s additionally full of antioxidants, which assist combat free radicals and scale back the danger of age-related persistent illnesses (6).

Whereas the Okinawa eating regimen shouldn’t be strictly vegetarian, folks devour animal-based meals sparingly. The identical is true of processed meals and sweets.

Right here’s a listing of staple meals to eat and meals to keep away from when following a standard Okinawan eating regimen (6).

Meals to eat

  • Greens: Okinawan candy potato, bitter melon, bamboo shoots, cabbage, white radish, Chinese language okra, pumpkin, carrots, and burdock
  • Legumes: primarily soy and soy merchandise, resembling tofu, miso, and natto
  • Grains: millet, noodles, and rice
  • Meats and poultry: lean cuts of pork, rooster, and sometimes goat
  • Fish and sea greens: fish, algae, kelp, and different seaweed
  • Condiments: turmeric and varied herbs and spices as an alternative of salt

Meals to keep away from

  • Dairy: milk, yogurt, cheese, and butter
  • Meats and poultry: beef, processed or cured meats, and eggs
  • Different: cooking oils, fruits, sweets, nuts, and seeds

To get the perfect out of the normal Okinawan candy potato, do that recipe for baked purple candy potato fries.


The Okinawa eating regimen is primarily plant primarily based. It’s low in energy however wealthy in vitamins. Its staple meals is the Okinawan candy potato, together with soy merchandise and low GI grains.

The island of Sardinia is positioned west of the Italian Peninsula within the Mediterranean Sea. It’s mentioned to be the house of the longest-lived males (1).

The Sardinia eating regimen is a variation of the Mediterranean eating regimen — additionally referred to as Sardo-Mediterranean — that’s related to stopping persistent age-related illnesses (9, 10).

The Mediterranean eating regimen is characterised by all kinds of fruit and veggies, minimally processed entire grains and legumes, nuts and olive oil as most important fats sources, reasonable fish consumption, and low intakes of dairy, alcohol, and purple meat (9).

In distinction, the Sardinian variation contains larger intakes of olive oil, fish, milk and dairy merchandise, and alcoholic drinks (11, 12).

A few of the meals folks eat and keep away from on the Sardinian eating regimen embrace (11, 12):

Meals to eat

  • Greens: tomatoes, potatoes, candy potatoes, onions, cabbage, zucchini, and carrots
  • Fruits: oranges, apples, bananas, dates, figs, and peaches
  • Legumes: fava beans, lentils, and chickpeas
  • Grains: barley and wheat for his or her conventional flatbread and pasta
  • Dairy: goat’s and sheep’s milk, yogurt, and cheese
  • Fish and seafood: sea bass, anchovies, octopus, mussels, clams, and lobster
  • Fat: olive oil and nuts, resembling almonds and hazelnuts
  • Herbs and spices: parsley, fennel, mint, bay leaves, celery, and garlic
  • Alcohol: Cannonau purple wine and myrtle liqueur

Meals to eat sometimes

  • Sure meats: beef, lamb, and pork
  • Sweets: honey, puff pastry, and candied orange peels

Meals to keep away from

  • Some meats and poultry: together with processed or cured meats
  • Processed meals: sugar-sweetened drinks, refined grains and oils, and ready-to-eat meals and snacks

If you wish to give a standard Sardinian recipe a attempt, you may make a do-it-yourself model of the minestrone.


The Sardinia eating regimen follows a lot of the Mediterranean eating regimen’s consuming sample, with larger intakes of milk and dairy merchandise, olive oil, fish, and alcohol.

Ikaria is a small Greek island positioned within the Aegean Sea.

The Ikaria eating regimen can also be a variation of the Mediterranean eating regimen, with the next consumption of espresso, potatoes, and full-fat dairy merchandise (13, 14).

Nonetheless, it nonetheless emphasizes fruits, greens, olive oil, cereals, and legumes, whereas conserving a low consumption of meat merchandise and reasonable intakes of wine (14).

Meals to eat and keep away from within the Ikaria eating regimen embrace (14):

Meals to eat

  • Greens: tomatoes, carrots, potatoes, broccoli, spinach, kale, and wild greens
  • Fruits: apricot, figs, plums, pomegranate, berries, kiwi, oranges, lemon, and watermelon
  • Legumes: beans, chickpeas, and lentils
  • Grains: entire grain cereals and bread
  • Dairy: goat’s milk, yogurt, and cheese
  • Fish and seafood: sardines, salmon, trout, and herring
  • Fat: olive oil and nuts, together with almonds and walnuts
  • Herbs and spices: mint, rosemary, sage, mugwort, garlic, thyme, basil, and oregano
  • Drinks: boiled Greek espresso and purple wine
  • Sweets: honey

Meals to eat sometimes

  • Some sorts of meat: beef, rooster, goat, and pork

Meals to keep away from

  • Processed or cured meat: resembling ham or sausages
  • Processed meals: soda, sweet, on the spot meals, and snack bars

Comply with this recipe to offer a standard blended greens pie a attempt.


The Ikaria eating regimen is one other variation of the Mediterranean eating regimen with the next consumption of espresso, potatoes, and full-fat dairy merchandise.

Nicoya is positioned within the Guanacaste province of Costa Rica. This particular area has a 20% decrease mortality charge than the remainder of the nation (11, 15).

In contrast with the diets talked about above, the Nicoya eating regimen has the next animal-based protein content material and a decrease consumption of wholesome fat.

Nonetheless, it’s also characterised by excessive intakes of fiber and low GI meals — which additionally means a decrease consumption of processed and refined meals (15).

The Nicoya eating regimen is ample in plain, conventional meals, resembling rice, beans, corn, rooster, and eggs. Folks additionally devour costlier meals, resembling aged cheese and olive oil, however extra hardly ever (15).

Listed here are among the meals Nicoyans eat most and least (11, 15):

Meals to eat

  • Greens: plantain, yucca, squash, pejibaye, bell peppers, onions, cabbage, tomatoes, and cucumbers
  • Fruits: tropical fruits, resembling papaya, banana, mango, and pineapple
  • Legumes: black beans and lentils
  • Grains: rice, corn, and entire grain bread
  • Dairy: tender and onerous cheeses
  • Poultry: rooster and eggs
  • Fat: butter, avocado, canola, and sunflower oil
  • Drinks: contemporary fruit juice, espresso, and guaro — a standard alcoholic beverage

Meals to eat sometimes

  • Some contemporary meats: beef and pork
  • Sweets: pastries, desk sugar, cookies, and desserts

Meals to keep away from

  • Processed and cured meats
  • Dairy: cow’s milk
  • Processed meals: refined grains, sodas, and frozen meals

In the event you’d wish to style a standard Nicoyan dish, do that gallo pinto recipe — a mixture of white rice and black beans eaten as a breakfast staple, typically with eggs on the aspect.


The Nicoya eating regimen differs from the remainder of the Blue Zone diets in that it has the next consumption of animal-based proteins and a decrease consumption of wholesome fat. Nonetheless, it’s excessive in fiber and low GI meals.

The Seventh-day Adventist Food plan refers back to the consuming sample of the Adventist spiritual group positioned in Loma Linda, California.

Folks on this group observe a principally vegan eating regimen derived from the Bible. It’s primarily based on nuts, legumes, and leafy greens. The Seventh-day Adventist eating regimen is the one Blue Zone eating regimen that’s largely plant primarily based (1).

Analysis means that vegan diets could decrease the danger of persistent illnesses, resembling kind 2 diabetes and coronary heart illness. This can be one key to the group’s elevated longevity (16, 17, 18).

Regardless of being principally vegan, this eating regimen divides meats into “clear” and “unclean” classes, based on the Bible. Adventists could select to eat among the “clear” choices (19).

Right here’s a listing of meals to eat and keep away from whereas following the Seventh-day Adventist eating regimen (19, 20):

Meals to eat

  • Greens: tomatoes, leafy greens, broccoli, parsnips, carrots, and onions
  • Fruits: apples, pears, bananas, peaches, oranges, and mango
  • Legumes: beans and lentils
  • Grains: oats, entire grain bread, quinoa, corn, rice, and amaranth
  • Plant-based protein: soy and soy merchandise, like tofu, tempeh, and edamame
  • Fat: olive oil and nuts, resembling cashews and almonds

Meals to eat sometimes

  • Some meats: salmon, rooster, eggs, and beef
  • Dairy: low fats milk and milk merchandise

Meals to keep away from

  • Sure meats: together with pork and shellfish
  • Dairy: full-fat milk merchandise
  • Drinks: alcoholic and caffeinated drinks
  • Sure flavorings: scorching condiments and spices
  • Processed meals: sweets and different extremely refined meals, resembling frozen, prepackaged, and quick meals

To attempt a vegan model of an American staple, observe this vegan mac and cheese recipe.


The Seventh-day Adventist eating regimen is a principally vegan eating regimen impressed by the Bible. It divides meats into “clear” and “unclean” classes, and Adventists could select among the many choices within the “clear” checklist.

Blue Zones are areas of the world the place the next proportion of individuals reside greater than 100 years.

There are presently 5 identified Blue Zones. Their inhabitants’ longevity is partly attributed to their diets, together with different components, resembling train and social atmosphere.

Whereas most Blue Zone diets are primarily plant-based, one (the Nicoya eating regimen) depends on animal-based meals as the principle protein supply.

Nonetheless, all of them share different traits, resembling excessive intakes of fruits, greens, and low GI meals.


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