Nutrition per 100g
Grains & Cereal › Flour and Cereals
Arrowroot Flour for Gestational Diabetes
Arrowroot flour, also known as arrowroot starch, is a fine, white powder extracted from the rhizomes of the Maranta arundinacea plant. It is a highly digestible starch that is naturally gluten-free, grain-free, and paleo-friendly, making it a popular choice for those with dietary restrictions. Valued for its neutral taste and ability to create a clear, glossy finish, it serves primarily as a thickening agent in both sweet and savory dishes. Unlike cornstarch, it is extracted through a simpler, more natural process without the use of high heat or harsh chemicals. This makes it a preferred ingredient in many health-conscious kitchens.
At a glance
Pregnancy safety
SafeBlood sugar impact
highCarbs / 100 g
88.2gIs Arrowroot Flour safe with gestational diabetes?
Arrowroot flour is not recommended for frequent use in a gestational diabetes diet due to its nature as a refined starch. It has a very high glycemic index (GI), meaning it is rapidly absorbed and can cause a sharp increase in blood glucose levels. While useful as a gluten-free thickener, it provides minimal nutritional value, lacking the fiber, protein, and micronutrients needed for stable blood sugar management. Its consumption should be strictly limited to very small quantities within an otherwise well-balanced, low-glycemic meal to mitigate its potent effect on glucose.
How does Arrowroot Flour affect blood sugar during pregnancy?
With a glycemic index of approximately 85, arrowroot flour is considered a high-GI food. This fine powder is almost pure starch, which the body digests very quickly, converting it into glucose almost immediately upon consumption. This rapid absorption leads to a pronounced spike in blood sugar, which is particularly risky in gestational diabetes management. Unlike whole-grain flours that contain fiber to slow down digestion, arrowroot offers no such buffer. Therefore, it poses a significant challenge to maintaining stable glucose levels and should be approached with extreme caution.
What is a safe portion of Arrowroot Flour for gestational diabetes?
Portion control is critical. Limit use to no more than one or two teaspoons for an entire multi-serving recipe, which translates to a very small amount per individual serving. This minimal quantity, when distributed throughout a larger dish, will have a less dramatic effect on blood sugar. For example, using half a tablespoon to thicken a sauce for a family-sized meal is an acceptable use. Avoid recipes that call for larger amounts, such as arrowroot-based puddings or baked goods, as these will be too high in rapidly absorbed carbohydrates.
How should I combine Arrowroot Flour to manage blood sugar during pregnancy?
If using arrowroot flour, it must be as a minor ingredient in a dish packed with protein, healthy fats, and high-fiber vegetables. For instance, using a single teaspoon to thicken a large pot of chicken and vegetable stew is a safer approach. The protein from the chicken and the fiber from the vegetables will help slow down the overall digestion and absorption of the meal, blunting the glycemic impact of the arrowroot. Never use it as the primary flour in baking, and always pair it with foods that have a low glycemic load to create a balanced meal.
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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