Allergen Information
May contain: Sulfites
Nutrition per 100g
Fruits & Vegetables › Dried Fruits
Dried Longan for Gestational Diabetes
Dried longan is the dehydrated version of the fresh longan fruit, resulting in a chewy, dense, and intensely sweet product with a unique, slightly smoky flavor. This concentration of sugars makes it a popular ingredient in traditional Asian cuisines, especially in herbal soups, sweet desserts (tong sui), and teas. It is valued not only for its flavor but also for its use in traditional Chinese medicine. The drying process preserves the fruit and transforms its texture from juicy and crisp to leathery and sticky, making it a potent natural sweetener.
At a glance
Pregnancy safety
SafeBlood sugar impact
highCarbs / 100 g
74gIs Dried Longan safe with gestational diabetes?
Dried longan is not recommended for managing gestational diabetes due to its extremely high concentration of sugar. The dehydration process removes water content, leaving behind a dense source of simple carbohydrates that can be challenging for blood glucose control. Its intense sweetness and high calorie count make it a high-risk food that should be consumed with extreme caution, if at all. The lack of significant fiber means there is little to buffer the rapid absorption of its sugars into the bloodstream.
How does Dried Longan affect blood sugar during pregnancy?
With a high glycemic index, dried longan can cause a rapid and significant spike in blood sugar levels. The carbohydrates are primarily simple sugars like fructose and glucose, which are absorbed very quickly by the body. Unlike whole, fresh fruits that contain water and more fiber, the concentrated nature of dried longan offers no defense against this glycemic surge. Consuming even a small amount can easily push blood glucose readings outside of the target range, making it a difficult food to incorporate safely.
What is a safe portion of Dried Longan for gestational diabetes?
A maximum safe portion of dried longan is exceptionally small, limited to about two or three individual pieces. This small amount should be treated as a rare indulgence rather than a regular snack. It is crucial to physically measure this tiny portion and ensure it is consumed as part of a balanced meal that includes ample protein and fat. Given the high risk, it is often safer to choose other low-glycemic fresh fruits to satisfy a sweet craving during pregnancy.
How should I combine Dried Longan to manage blood sugar during pregnancy?
If you choose to consume dried longan, it is absolutely critical to never eat it alone. To mitigate the blood sugar spike, pair a very small quantity with a substantial source of protein and healthy fats. For example, you could have one or two pieces alongside a handful of walnuts or almonds, or stirred into a serving of plain, full-fat Greek yogurt. This strategy helps slow down digestion and the subsequent absorption of sugar, but it does not eliminate the risk entirely.
Last reviewed: August 31, 2026
Important Safety Information
Every pregnancy is different, and gestational diabetes is managed differently depending on your readings, your medication and how far along you are. The ratings and portions on this page are general information — not a diagnosis, a treatment plan or a medical device — and they cannot see your results.
- Low blood sugar:
- If you take insulin or diabetes medication, eating less carbohydrate than your team planned for can push your blood sugar too low. Treat a reading below 70 mg/dL (3.9 mmol/L), or symptoms such as shaking, sweating, confusion or a racing heart, with fast-acting carbohydrate immediately and retest after 15 minutes. Never use this page as a reason to skip or shrink a meal you were told to eat.
- Carbohydrate and ketones:
- Cutting carbohydrate hard to force a number down is not safe in pregnancy — it can produce ketones. Published guidance sets a minimum of 175 g of carbohydrate per day in pregnancy. Readings that stay above target for several days need your care team, not a smaller portion.
- Medication and insulin:
- The portions here are generic and know nothing about your insulin doses, your metformin, or the steroids given to mature your baby's lungs — all of which change how a meal affects you. Never adjust a dose or a mealtime based on this page.
- Food safety in pregnancy:
- Blood sugar is not the only thing that makes a food suitable while you are pregnant. Some foods with excellent glycemic numbers still carry mercury, vitamin A, listeria or alcohol risks, and those are judged separately from the ratings shown here. Check your national pregnancy food-safety guidance before adding an unfamiliar food.
- What these ratings can and cannot tell you:
- Glycemic index values, impact ratings and maximum servings are population averages taken from published tables. Two people eating the same food can get very different readings, so your own meter is the only measurement that describes you. Nutrition figures are indicative per 100 g and vary with brand, ripeness and preparation.
Contact your care team the same day if: your readings stay above target for several days; you have a reading below 54 mg/dL (3.0 mmol/L) or needed someone else's help to treat a low; you test positive for ketones; or your baby is moving less than usual. Seek emergency care for confusion, fainting, repeated vomiting, or a low you cannot bring back up.
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Sources & Editorial Review
Content independently developed by Dalo Labs ApS, informed by the American Diabetes Association's Standards of Care in Diabetes, ACOG's gestational diabetes guidelines, and the IADPSG consensus criteria. Not endorsed by or affiliated with any referenced organization. · Last reviewed: August 2026
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