Allergen Information
Contains: Shellfish
Nutrition per 100g
Langoustine for Gestational Diabetes
Langoustine, also known as Norway lobster or Dublin Bay prawn, is a crustacean celebrated for its delicate, sweet flavor and tender texture. It is a prized ingredient in European cuisine, often considered a luxury item. Nutritionally, it is an excellent source of lean protein, providing essential amino acids necessary for muscle repair and growth. Langoustines are also rich in minerals like selenium, which supports immune function, and vitamin B12, crucial for nerve health. Their low-fat profile makes them a heart-healthy choice.
At a glance
Pregnancy safety
SafeBlood sugar impact
lowCarbs / 100 g
0gIs Langoustine safe with gestational diabetes?
Langoustine is an outstanding food choice for managing gestational diabetes due to its complete absence of carbohydrates. This means it will not cause any direct spike in blood glucose levels, making it a safe and reliable protein source. Its high protein content also promotes satiety, helping to prevent overeating and manage overall calorie intake. Furthermore, it provides vital nutrients like selenium and B12 without any added sugars or unhealthy fats, supporting both maternal and fetal health during pregnancy. It is a perfect component of a blood sugar-conscious diet.
How does Langoustine affect blood sugar during pregnancy?
With a glycemic index of zero, langoustine has no impact on blood sugar when consumed on its own. The cooking method is paramount; steaming, grilling, or boiling preserves its zero-GI quality. Avoid methods like breading and deep-frying, which add carbohydrates and unhealthy fats that can negatively affect glucose control. Also, be mindful of sauces, as many pre-made marinades and glazes are high in hidden sugars. Opting for flavorings like lemon juice, herbs, and garlic-infused oil ensures the meal remains low-glycemic.
What is a safe portion of Langoustine for gestational diabetes?
A suitable portion for a main meal is about four to six whole langoustines. This provides a substantial amount of high-quality protein to keep you full and satisfied without contributing any carbohydrates. This portion size helps anchor the meal, making it easier to control the portions of other carbohydrate-containing foods on your plate. Always prioritize pairing with vegetables and healthy fats over starchy sides to best manage your blood sugar levels effectively throughout the day.
How should I combine Langoustine to manage blood sugar during pregnancy?
To create a balanced and blood sugar-friendly meal, pair langoustine with high-fiber, non-starchy vegetables. A large leafy green salad with an olive oil-based vinaigrette or a side of steamed asparagus or broccoli are excellent choices. The protein in the langoustine will help slow down the absorption of any carbohydrates in the meal, further blunting potential glucose spikes. If including a starchy component, choose a small portion of a low-GI whole grain like quinoa or barley to ensure a minimal overall glycemic load.
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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