Nutrition per 100g
Jostaberry for Gestational Diabetes
The jostaberry is a complex hybrid fruit, a cross between the blackcurrant and two species of gooseberry. It combines the large fruit size of a gooseberry with the unique, tangy flavor profile of a blackcurrant. These berries are nearly black in color and offer a taste that is both sweet and tart, making them quite versatile. Nutritionally, they are a powerhouse, packed with vitamin C, antioxidants like anthocyanins, and beneficial dietary fiber. Their unique genetic heritage gives them a robust flavor that stands out among other common berries.
At a glance
Pregnancy safety
SafeBlood sugar impact
lowCarbs / 100 g
15.4gIs Jostaberry safe with gestational diabetes?
Jostaberries are a favorable fruit choice for managing gestational diabetes due to their low glycemic index and high fiber content. The combination of nutrients helps to ensure a slower, more controlled release of sugar into the bloodstream. Their natural tartness also makes them satisfying without the need for added sugars, supporting overall blood glucose management. Including these berries in a balanced diet can provide essential vitamins and antioxidants without causing sharp spikes in blood sugar levels. They offer a nutrient-dense way to satisfy sweet cravings safely.
How does Jostaberry affect blood sugar during pregnancy?
The significant fiber content in jostaberries is key to their minimal impact on blood sugar. This soluble and insoluble fiber slows down the digestion and absorption of carbohydrates, preventing rapid glucose surges after meals. While eating them raw is best, even cooked jostaberries retain much of their fiber, although cooking can make the natural sugars slightly more accessible. It is crucial to avoid preparations with added sugar, such as commercial jams or syrups, which would negate their low-glycemic benefits and lead to a much higher glycemic load.
What is a safe portion of Jostaberry for gestational diabetes?
A suitable portion of jostaberries is about one cup, which corresponds to approximately 150 grams. This serving size provides a healthy dose of fiber, vitamins, and antioxidants without contributing an excessive amount of carbohydrates or sugar. Sticking to this portion helps ensure that you can enjoy the fruit's benefits without risking a significant rise in blood glucose. Measuring your portion is a wise practice to maintain consistent carbohydrate intake and predictable blood sugar responses, which is fundamental to gestational diabetes management.
How should I combine Jostaberry to manage blood sugar during pregnancy?
To further stabilize blood sugar, always pair jostaberries with a source of protein or healthy fats. This strategy blunts the glycemic response by slowing stomach emptying and subsequent glucose absorption. Excellent pairings include mixing them with plain Greek yogurt, a handful of almonds or walnuts, or blending them into a smoothie with protein powder and chia seeds. This approach not only helps with blood sugar control but also creates a more balanced, satisfying, and satiating snack or meal component that keeps you fuller for longer.
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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