12 Longan Fruit Side Effects You Should Be Aware Of Before Eating It

12 Longan Fruit Side Effects You Should Be Aware Of Before Eating It – Longan fruit is native to Southeast Asia and has been used in traditional Chinese medicine for centuries. The fresh fruit is often eaten raw, or the dried fruit can be used in soups or infusions.

While longan fruit is generally safe to eat, there are a few potential side effects that you should be aware of before consuming it. However, If you have never eaten longan fruit before, it’s best to start with a small amount to see how your body reacts.

Meanwhile, below are the potential “12 Longan Fruit side effects you should be aware of before eating It”

Nutrition Facts

Longan fruit is an excellent source of vitamins and minerals, including vitamin C, potassium, and magnesium. It also contains a good amount of fiber and protein. However, like all fruits, it is high in sugar and calories. Here are the nutritional facts for one cup (154 grams) of longan fruit:

  • Calories: 190
  • Fat: 0.4 grams
  • Saturated fat: 0 grams
  • Unsaturated fat: 0 grams
  • Trans fat: 0 grams
  • Cholesterol: 0 milligrams
  • Sodium: 5 milligrams
  • Potassium: 551 milligrams
  • Carbohydrates: 47 grams
  • Fiber: 3 grams
  • Sugar: 36 grams
  • Protein: 2 grams
  • Vitamin C: 28% of the Daily Value (DV)
  • Magnesium: 8% of the DV

Some Benefits of Eating Longan Fruit that is interesting

1. Rich in antioxidants, which can help protect your cells from damage and may reduce your risk of some chronic diseases.

2. A good source of dietary fiber, which can promote regularity and may help lower cholesterol levels.

3. A good source of vitamins B and C, as well as minerals such as potassium and magnesium.

4. May boost your energy levels and improve your overall well-being.

5. Supporting cardiovascular health: The antioxidants present in longan fruit can help to protect the heart and blood vessels from damage.

6. aiding digestion: Longan fruit can help to improve digestion and prevent constipation due to its high fiber content.

7. Enhancing immunity: The vitamins and minerals present in longan fruit can help to boost the immune system.

8. Reducing inflammation: The antioxidants present in longan fruit can help to reduce inflammation throughout the body.

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12 Possible Side Effects of Eating Longan Fruit

When thinking about incorporating longan fruit into your diet, it’s important to be aware of any potential side effects whether you’ve already been eating them or are considering doing so for the first time.

– Gastrointestinal Symptoms

There are a few gastrointestinal symptoms that have been associated with longan fruit consumption. These include stomach pain, bloating, gas, nausea, vomiting, and diarrhea. While these symptoms are not common, they can occur in some people who eat longan fruit. If you experience any of these symptoms after eating longan fruit, it is best to discontinue consumption and drink plenty of fluids to stay hydrated. You may also want to consult with a healthcare professional if your symptoms are severe or persist for more than a day or two.

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– Low Blood Sugar

Low blood sugar is one of the possible side effects of longan fruit. This is due to the fruit’s high natural sugar content. You should exercise caution when eating longan fruit if you have diabetes or are at risk for developing it. The same holds true for those who take drugs that can lower blood sugar. Consuming longan fruit could put you at risk for serious health issues if your blood sugar levels fall too low.

– Skin Reactions

There are a few skin reactions related to longan fruit that you should be aware of. The most frequent reaction, contact dermatitis, can result in a red or itchy rash. People may occasionally also experience swelling or hives. Please speak with your doctor or an allergist if you have any questions about these reactions.

– Allergic Reactions

One of the most common side effects of longan fruit is an allergic reaction. If you are allergic to latex, longan fruit allergies could occur. The symptoms of an allergic reaction include itchiness, hives, swelling, and breathing difficulties. If you experience any of these after consuming longan fruit, seek medical attention right away.

In general, longan fruit is regarded as safe for consumption. However, if you have any underlying medical conditions or are pregnant, it is always advisable to speak with your doctor before ingesting any new food.

– Headache and Dizziness

Longan fruit consumption in large quantities or on an empty stomach is more likely to cause headache and dizziness. If you have these symptoms after eating longan fruit, drink plenty of fluids and rest until the symptoms go away. In most cases, headaches and dizziness caused by longan fruit consumption will go away within a few hours.

– Nervous System Disorders

The nervous system is responsible for transmitting signals between the body and the brain, and disruptions to this system can lead to a variety of issues. Longan fruit has been shown to have a negative impact on the nervous system, causing disorders such as:

– Depression
– Anxiety
– insomnia
– irritability
– memory problems
– dizziness
– headaches

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– Heart Issues

Any fruit you eat should be carefully considered in terms of your heart health, and longans are no exception. Also, It is best to stay away from longan fruit if you have any heart problems. This is due to the fruit’s chemical composition, which can thin blood and lower blood pressure. Even though it might seem like a good thing, people with heart conditions should avoid doing this because it can be dangerous. So it is always advisable to speak with a doctor before trying any new food.

– Respiratory Problems

Some individuals may experience respiratory issues after consuming longan fruit. This is due to the fruit’s presence of arginine, a substance that can relax the airways and make breathing challenging. Avoid eating longan fruit if you have asthma or other respiratory diseases.

There are a variety of potential respiratory issues associated with longan fruit. The most frequent complaint is that it can make breathing difficult, which is typically caused by the fruit’s high sugar content. If you eat a longan fruit, you might find that your symptoms get worse if you have asthma or another respiratory condition.

Furthermore, the fruit’s high acidity can irritate the throat and lungs, which makes it difficult to breathe. After eating a longan fruit, it’s important to seek medical help right away if you have any breathing problems.

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– Blood Disorders

Longan fruit has been traditionally used in Chinese medicine to treat a variety of blood disorders. It is thought to be effective in treating anemia, leukopenia, and thrombocytopenia. The fruit is also believed to have anti-inflammatory and anti-coagulant properties. While longan fruit is generally safe to consume, there are some potential side effects that you should be aware of before eating it.

The most common side effect associated with longan fruit is gastrointestinal discomfort. This can include symptoms such as diarrhea, nausea, and vomiting. If you experience any of these symptoms after eating longan fruit, it is best to discontinue use and consult with your healthcare provider.

Longan fruit can also interact with certain medications. If you are taking any blood thinners or antiplatelet medications, you should avoid consuming longan fruit as it may increase the risk of bleeding. If you are taking any other medications, please consult with your healthcare provider before consuming longan fruit to ensure there are no potential interactions.

– Weight Changes

Longan fruit contains a compound called lupeol. This has been shown to alter levels of leptin, a hormone that helps regulate appetite and energy expenditure. As a result, eating longan fruit may lead to weight gain or difficulty losing weight.

In addition, longan fruit is high in sugar and calories. If you are watching your weight, it is important to be aware that eating too much of this fruit can lead to weight gain.

– Sleep Issues

Struggling with insomnia or other sleep issues? Then longan fruit may not be the best snack for you. The fruit’s natural sugars can give you a quick burst of energy, which may make it harder to fall asleep at night. If you do decide to eat longan fruit before bed, be sure to balance it out with some other foods that are known to promote sleep, such as chamomile tea or bananas.

– Reduced Appetite

Longan fruits have a high carbohydrate content and potassium compounds, which can cause your appetite to decrease if you eat them frequently and in excess. Yes, longan fruits can make you feel satiated and addicted, which may make you lose the desire to eat, especially rice, after you consume them.

How Much Longan Should You Eat?

While there are no definitive studies on the optimal amount of longan to consume, most experts recommend eating between 1 and 2 ounces (28-56 grams) of longan per day. This amount will provide you with the fruit’s health benefits without overloading your body with sugar.

If you’re wondering how much longan you should eat, the answer is probably “not much.” That’s because this tropical fruit is known to have some pretty serious side effects.

First of all, longan is a diuretic, which means it will make you urinate more often. This can lead to dehydration if you’re not careful.

Second, longan can lower your blood pressure. This might not be a problem if you have high blood pressure to begin with, but it could cause problems for people with normal or low blood pressure.

Lastly, longan contains a chemical called coumarin, which is known to be toxic in large amounts. So it’s best to limit your intake of this fruit.

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Some key facts about Longan fruit

making it a nutritious addition to your diet. However, there are a few side effects you should be aware of before eating longan fruit.

  • Rich in vitamins and minerals,
  • May cause an allergic reaction in some people.
  • May interact with certain medications.
  • May cause digestive issues after eating.
  • Contain small stones that may cause choking if swallowed.
  • May not be good for Pregnant women

How to Prepare and Cook with Longan Fruit

Here is a step-by-step guide on how to prepare and cook with longan fruit:

1. Start by rinsing the longans under cool water. This will help to remove any dirt or debris that may be on the surface of the fruit.

2. Use a sharp knife to cut off one end of each longan.

3. Carefully peel away the skin from the longan fruit, starting at the cut end and working your way around the entire fruit.

4. Once the longans are peeled, they can be eaten as is or used in recipes. If you are using them in a recipe, simply chop them up into small pieces as needed.

Longan Fruit Recipes

1. Longan and Lychee Salad: This refreshing salad combines the sweetness of longan fruit with the tartness of lime juice and the crunch of fresh vegetables.

2. Longan Fruit Popsicles: These healthy popsicles are made with fresh longan fruit, yogurt, and honey. They make a great snack or dessert on a hot summer day.

3. Longan and Ginger Tea: This soothing tea is made with fresh longan fruits, ginger, and honey. It’s perfect for sipping on before bedtime or when you’re feeling under the weather.

4. Longan fruit salad: Combine longan fruit with diced mango, pineapple, and papaya. Drizzle with lime juice and honey.

5. Longan smoothie: Blend longan fruit with yogurt, milk, and ice. Add a banana or honey for sweetness.

6. Longan stir-fry: Marinate chicken or shrimp in a mixture of soy sauce, rice wine vinegar, ginger, and garlic. Stir-fry with vegetables like bell peppers, onions, and broccoli. Top with longan fruit just before serving.

Alternatives to Eating Longan Fruit

There are plenty of options available. Here are some of the most popular alternatives:

Dried Longan Fruit: Dried longan fruit is a great alternative to fresh longan fruit. It is less sweet than fresh longan fruit and has a chewy texture.

Frozen Longan Fruit: Frozen longan fruit is another great alternative to fresh longan fruit. It is less sweet than fresh longan fruit and has a softer texture.

Canned Longan Fruit: Canned longan fruit is a convenient alternative to fresh longan fruit. It is already peeled and ready to eat.

Longan Juice: Longan juice is a refreshing alternative to eating longan fruit. It is less sweet than fresh longan fruit and has no pulp or seeds.

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How to Store Longan Fruit

Look for plump longan fruit with shiny, tan skin when selecting longan fruit. Avoid anyone who has brown spots or dull skin. When you get your fruit home, keep it somewhere cool and dry. Fruit that needs to ripen should be left at room temperature in a paper bag until it softens.


As you can see, longan fruit offers many health benefits as well as some potential side effects. While it is generally safe to eat in moderation, it is important to be aware of the possible side effects and take appropriate steps to minimize them. With proper precautions and consideration for individual allergies or sensitivities, longan fruit can provide a healthy addition to your diet.

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Last Updated on March 10, 2023 by shalw

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