Scientists' list of 10 'world's healthiest foods' with highest possible nutritional value

Healthy eating: high angle view of a group of food with high levels of Omega-3 fat. The composition includes salmon, sardines, avocado, extra virgin olive oil, and various nuts and seeds like pumpkin seeds, chis seeds, pecan, almonds, pistachio, walnuts and hazelnuts. High resolution 42Mp studio digital capture taken with Sony A7rII and Sony FE 90mm f2.8 macro G OSS lens
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Eating a wide variety of fruit, vegetables, nuts, seeds and protein is incredibly good for your health, warding off diseases and illnesses if eaten in a balanced diet.

But what are the healthiest foods out there that are the best for your bodies? Scientists at the BBC listed the healthiest foods in the world, scoring them out of 100 for their nutritional value.

From leafy greens to seeds packed with protein, eating the healthiest foods will provide you with a wide range of minerals, nutrients and vitamins that your body needs to stay healthy.

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Here are the top 10 healthiest foods in the world that score the highest in nutritional value.

Almonds

Full bowl of almond nuts, rustic style
Full bowl of almond nuts, rustic style

The food with the highest nutritional value in the world isn't a fruit or vegetable - it's a nut. Almonds are the top health-boosting food you can eat, scoring a 97 out of 100 in nutritional value.

Almonds, which are popular as a snack, are packed in mono-unsaturated fatty acids, promote cardiovascular health and can even help with diabetes.

Cherimoya

Cherimoya is an fruit closely related to soursop, also known as custard apple. The sweet fruit, which has green skin, is loaded with nutrients rich in sugar and vitamins including A, C, B1, B2 and potassium.

The fruit, which is said to taste like custard, has a nutritional value of 96 out of 100.

Ocean perch

Ocean perch fish has come in at number three on a list of the most nutritious foods you can eat, scoring 89 out of 100.

Just 100g of the fish has 79 calories but around 20 grams of protein. The deep-water fish is also known as rockfish and is low in saturated fats. And it doesn't stop there - the fish is an excellent source of:

  • Vitamin B12, crucial for nerve health and red blood cell production

  • Vitamin D, aiding calcium absorption and bone health

  • Selenium, a powerful antioxidant

  • Phosphorus, promoting healthy bones and energy metabolism

Flat fish

Flat fish, which includes turbot, plaice, halibut, sole, and brill, are generally free of mercury and contain omega-3 fatty acirds, which can help protect against cardiovascular disease and brain health.

Flatfish are also a good source of vitamin D and the essential nutrient vitamin B1.

It has a nutritional value of 88 out of 100.

Chia seeds

Chia seeds with a spoon close up
Chia seeds have a ton of health benefits -Credit:Getty Images

These are tiny black seeds, that can be sprinkled on yogurt, blended in smoothies or made into chia pudding.

While small, chia seeds pack a powerful punch of healthy nutrients, including fibre, protein, a-linolenic acid, phenolic acid and vitamins.

They also contain caffeic acid, an antioxidant that can fight inflammation in the body.

Pumpkin seeds

Pumpkin seeds, including the seeds of other squashes, are also on the list of the world's healthiest foods. These are one of the best plant-based sources of iron and manganese.

Swiss chard

Swiss chard is a leafy green vegetable from the beet family, which is packed full of nutrients including betalains, which are rare. Betalains are known for their antioxidant properties.

They are also a good source of:

  • Fibre for gut health and healthy cholesterol

  • Antioxidants, which protect heart health and against cancer

  • Nitrates which lower blood pressure

Pork fat

Pork fat is actually good fat, it contains more unsaturated fats compared to lamb or beef, meaning more omega-3 fatty acids. It's also a good source of B vitamins and minerals.

Beet greens

Beet greens are the leaves of beetroot vegetables. They are high in:

  • Calcium

  • Iron

  • Vitamin K

  • B group vitamins, especially riboflavin

These have a nutritional score of 70 out of 100.

Snapper

Red snapper is the most popular of the snapper family and the throats are considered a delicacy.

However, these fish can contain dangerous toxins including high levels of mercury and ciguatera toxin, a common form of seafood poisoning from fish in warm waters.