Nutrition per 100g
Sparkling Water for Gestational Diabetes
Sparkling water is simply drinking water that has been infused with carbon dioxide gas under pressure, creating crisp bubbles and a refreshing mouthfeel. It is naturally carbonated at mineral springs or mechanically carbonated in modern facilities. Because plain sparkling water contains no added sugars, calories, or carbohydrates, it serves as a straightforward alternative to still water and sugary soft drinks. It provides the same basic hydration as regular tap water while offering a gentle fizz. For pregnant women seeking sensory variety in their daily fluid routine, carbonated water offers effervescence without altering baseline daily macronutrient targets.
At a glance
Pregnancy safety
SafeBlood sugar impact
lowCarbs / 100 g
0gIs Sparkling Water safe with gestational diabetes?
For individuals following an eating plan for gestational diabetes, plain sparkling water is a convenient fluid option. Because it provides 0 g of carbohydrates, 0 g of sugar, and 0 calories per 100 ml, it fits smoothly into daily meal planning without requiring carbohydrate counting. Staying well hydrated supports general maternal wellness, and effervescent water can make reaching daily fluid recommendations more enjoyable. Some expectant mothers find that gentle carbonation helps ease occasional mild pregnancy nausea. You can discuss your overall fluid goals with your midwife or dietitian to tailor intake to your individual daily hydration needs during pregnancy.
How does Sparkling Water affect blood sugar during pregnancy?
Plain sparkling water has a glycemic index of 0 and contains 0 g of carbohydrate per 100 ml, meaning it provides 0 glycemic load per serving. Consequently, it does not prompt a rise in blood glucose levels when consumed on its own. Unlike sweetened beverages or fruit juices that can cause a rapid upward shift in glucose readings, unsweetened carbonated water leaves post-meal readings unaffected by carbohydrate. For many people monitoring their numbers, replacing sugary sodas with sparkling water offers a direct way to avoid unexpected glucose surges. Testing your levels before and after meals helps confirm your personal response.
What is a safe portion of Sparkling Water for gestational diabetes?
A standard portion of sparkling water is typically 250 ml, which equates to a standard household glass or small tumbler. This 250 ml serving delivers 0 calories, 0 g of total carbohydrates, 0 g of sugar, and approximately 10 mg of sodium, based on standard mineral water profiles. Because it contains no carbohydrates, it does not count against your carbohydrate budget for snacks or meals. While there is no strict portion limit for plain carbonated water in relation to glucose, drinking modest amounts throughout the day can prevent uncomfortable stomach fullness or bloating that some pregnant women experience with high volumes of gas.
How should I combine Sparkling Water to manage blood sugar during pregnancy?
Because sparkling water has zero carbohydrates, you can freely pair it alongside any balanced meal or snack without altering your carbohydrate calculations. Enjoy a chilled 250 ml glass alongside a lunch of mixed salad greens, grilled chicken breast, and olive oil dressing. It also complements afternoon snacks, such as a small handful of walnuts, pumpkin seeds, or cheddar cheese cubes. If you enjoy a touch of flavour, pair it with fresh mint leaves and a light squeeze of citrus juice alongside a protein-rich meal. Your dietitian can help integrate creative beverage combinations into your overall nutritional schedule.
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
- American Diabetes Association — Management of Diabetes in Pregnancy: Standards of Care in Diabetes—2026
- ACOG Practice Bulletin No. 190 — Gestational Diabetes Mellitus (reaffirmed 2026)
- USDA FoodData Central — Nutritional Database
- Atkinson et al. — International Tables of Glycemic Index and Glycemic Load Values 2021 (Am J Clin Nutr)
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