Top 5 health benefits of chestnuts (2024)

Chestnuts are an edible fruit from trees that are in the same family as the beech tree. They grow in green, spiky shells that reveal the fruit when peeled. Botanically, most nuts are the seeds of a fruit, while true nuts – chestnuts, acorns and hazelnuts – are fruits in themselves.
They are typically in season in the UK from October to December. In contrast to other tree nuts, chestnuts have a low-oil and high-water content, hence their unique, soft texture.

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The health benefits of chestnuts include:

  • Good source of antioxidants
  • May support the heart
  • High in fibre
  • May improve blood sugar management
  • May help weight management

Discover our full range of health benefit guides or check out some of our best chestnut recipes, from our squash steaks with chestnut cavolo nero pilaf to venison sausage & chestnut casserole.

Top 5 health benefits of chestnuts (1)

Nutritional profile of chestnuts

A 100g serving of chestnuts (raw) provides:
• 170kcal / 719kj
• 2.0g protein
• 2.7g fat
• 36.6g carbohydrate
• 7.0g sugar
• 500mg potassium
• 5.5g fibre

Are chestnuts good for you?

1. Good source of antioxidants

Chestnuts contain a number of protective antioxidants, including vitamin C and the carotenoids lutein and zeaxanthin, plus various plant compounds including the polyphenols, gallic acid and tannins. These protect cells from the damage caused by a process called oxidation, and in this way may help protect against chronic disease.

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2. May support the heart

Chestnuts are a useful source of potassium, which is important for regulating blood pressure. Being a source of polyphenols including gallic and ellagic acid, chestnuts may protect the heart from oxidative damage.

3. High in fibre

Chestnuts are a useful source of fibre, which supports digestive function. The fibre also acts as a prebiotic, fuelling the bacteria that live in the gut and in turn helping maintain a healthy gut environment.

4. May improve blood sugar management

Although chestnuts provide more carbohydrates than other nuts, the additional fibre they contain helps regulate its release. In addition to this the protective antioxidants gallic and ellagic acid, appear to improve our cells' response to the blood-sugar hormone, insulin, which makes overall blood sugar control more effective.

5. May help weight management

High in fibre, chestnuts may help curb your appetite, an extra bonus is that they are lower in fat and calories than other nuts. Animal studies suggest the addition of chestnut to the diet may reduce the accumulation of belly fat. However, although the evidence looks promising, further research is needed to fully understand the implications for weight management.

Are chestnuts safe for everyone?

Chestnuts are in a different botanical category to the eight tree nuts that pose a common allergy risk. That said, some people may be allergic to chestnuts despite safely tolerating both peanuts and tree nuts.

Raw chestnuts are safe for most people to eat, but because they contain tannins, they may cause digestive disturbance and nausea in some individuals.

Overall, are chestnuts good for you?

Chestnuts are a good source of protective antioxidants, even after cooking, they also contribute useful amounts of fibre. For these reasons, they may help improve heart health and support blood sugar and weight management.

Being a source of carbohydrate and naturally gluten free, ground chestnuts make a ‘flour’ alternative for those with coeliac or non-coeliac gluten sensitivity.

Healthy chestnut recipes

Sprouts with chestnuts & crisp pancetta
Mushroom & chestnut rotolo
Roast parsnip & chestnut salad
Sweet potato & chestnut roast with tangy tomato sauce
Butternut, chestnut & lentil cake
Roasted Brussels sprouts with bacon & chestnuts

Enjoyed this? Now read:

Top health benefits of walnuts
The health benefits of cinnamon
The health benefits of oranges
Top health benefits of cranberries
Top healthiest nuts

This article was last reviewed on 9 October 2023 by Kerry Torrens.

Nicola Shubrook is a nutritional therapist and works with both private clients and the corporate sector. She is an accredited member of the British Association for Applied Nutrition and Nutritional Therapy (BANT) and the Complementary & Natural Healthcare Council (CNHC). Find out more at urbanwellness.co.uk.

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All health content on bbcgoodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other healthcare professional. If you have any concerns about your general health, you should contact your local healthcare provider. See our website terms and conditions for more information.

Top 5 health benefits of chestnuts (2024)

FAQs

Top 5 health benefits of chestnuts? ›

These nuts are a good source of fiber, which helps keep you regular and supports the growth of healthy bacteria in your gut. Chestnuts are also gluten-free, which makes them a healthy choice for people with celiac disease. The fiber in chestnuts can also help balance your blood sugar.

What are the benefits of eating chestnuts? ›

These nuts are a good source of fiber, which helps keep you regular and supports the growth of healthy bacteria in your gut. Chestnuts are also gluten-free, which makes them a healthy choice for people with celiac disease. The fiber in chestnuts can also help balance your blood sugar.

How many chestnuts should you eat a day? ›

Compared to most nuts, chestnuts are lower in protein, fat and calories. Yet, one serving (about ten nuts) contains 36% DV (Daily Value, based on 2,000 calories per day) of antioxidant vitamin C, 17% DV of satiating dietary fiber, and a full 50% DV of manganese for healthy bones.

Are chestnuts the healthiest nut? ›

Nutrition-wise, chestnuts have some major differences from almonds, walnuts, and other nuts. They're lower in calories and fat, but still offer decent amounts of antioxidants and minerals. And chestnuts get accolades for their versatility in the kitchen.

Are chestnuts high in sugar? ›

Chestnuts have certain nutritional characteristics similar to those of cereals. Even though they do not contain gluten, they do have a high content of sugars, especially starch. Chestnuts are rich in fiber, as well as mineral salts such as potassium, phosphorus, and small quantities of iron.

Are chestnuts a superfood? ›

Overall, are chestnuts good for you? Chestnuts are a good source of protective antioxidants, even after cooking, they also contribute useful amounts of fibre. For these reasons, they may help improve heart health and support blood sugar and weight management.

Is chestnut good for kidney? ›

Chestnuts have therapeutic properties, and due to their high energy value, they are especially recommended for athletes and children. They help with kidney problems and digestion.

When should you not eat chestnuts? ›

Certain people with severe intestinal issues, kidney problems, liver disease, and those who are pregnant, should avoid raw chestnuts. These nuts are usually boiled or roasted before eating due to the high levels of tannic acid.

What country eats the most chestnuts? ›

The majority of chestnut consumption occurs in Asia and Europe, specifically China and Italy. China consumes 1.6 million metric tons, or 80% of the global share of production. Italy is the largest importer, making up 15.9% of the total global import volume (OEC, 2022).

What are the cons of chestnut? ›

If they are undercooked or poorly prepared (often the case when roasting), the starch remains raw, potentially leading to digestive issues. If this substance is not well toasted, it may create the classic heavy feeling in the stomach, accompanied by bloating and sometimes pain.

What is the number 1 healthiest nut? ›

1. Almonds. Relatively low in calories, almonds are an excellent food for health due to their protein, fiber, vitamins, and minerals.

Are chestnuts inflammatory? ›

Chestnuts have properties that may help reduce inflammation. The antioxidants they contain, such as vitamin C, gallic acid, ellagic acid, and various polyphenols, can help reduce inflammation.

Do chestnuts raise blood pressure? ›

As discussed earlier, chestnuts contain potassium and this is one of the most important minerals when it comes to lowering blood pressure. Potassium acts as a vasodilator, which helps in increasing the general blood flow, therefore decreasing the overall pressure.

Is chestnut good for hair? ›

Hair is damaged by dyes, hair irons, hair dryers and chemical treatments that make hair weak and brittle, hindering its ability to retain water. The chestnut extract is said to repair and protect hair from this daily damage without causing buildup and is said to impart a glossy look to hair.

Are chestnuts bad for cholesterol? ›

Chestnuts are a good source of dietary fiber, which can help lower blood cholesterol levels. Additionally, while you might think you can only get vitamin C from berries and veggies, chestnuts are also rich in vitamin C, which helps support a healthy immune system.

Are canned chestnuts good for you? ›

Provide filling fiber

Water chestnuts are high in dietary fiber that offers several health benefits. Fiber makes you feel fuller and satisfied, reducing excess food intake, improving digestion, reducing blood cholesterol levels, and regulating blood sugar levels.

Are chestnuts good for detox? ›

Antioxidant– Chestnuts have very high antioxidant properties which help to clean the body of toxins and free-radicals. They help detoxify the body and optimise immune function. It effectiveness is contributed to the high amount of Vitamin C, Gallic Acid and Ellagic Acid which help make it such a strong antioxidant.

Is A chestnut a fruit or a nut? ›

In botany terms, nuts are strictly a particular kind of dry fruit that has a single seed, a hard shell, and a protective husk. Chestnuts, hazelnuts, pecans and walnuts fit the true definition of a nut. Peanuts and almonds do not meet the botanical definition of a true nut.

Are chestnuts hard on the stomach? ›

Chestnuts contain relatively few calories (171 kcal per 100 g) and don't lie heavily on the stomach. That's because their high starch content makes them easily digestible. They're also rich in fibre, which improves intestinal activity.

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