Pregnancy safety
Limit how much Cinnamon you eat during pregnancy
Culinary sprinkles only, up to about half a teaspoon of cassia cinnamon a day. Avoid cinnamon capsules or supplements.
Cassia cinnamon is high in coumarin, which is hepatotoxic above roughly 0.1 mg per kg of body weight per day, and cinnamon at supplement strength has not been established as safe in pregnancy.
This is about food safety in pregnancy, not blood sugar — it applies whatever your readings look like. Confirm it with your midwife or doctor.
Allergen Information
May contain: Cinnamon
Nutrition per 100g
Cinnamon for Gestational Diabetes
Cinnamon is a highly prized spice derived from the inner bark of trees from the Cinnamomum genus. The two most common types are Cassia, which is bold and spicy, and Ceylon ('true' cinnamon), which has a milder, more delicate flavor. Its signature warm, sweet, and aromatic profile makes it a staple in cuisines worldwide, used in everything from baked goods to savory curries. For centuries, it has been celebrated not only for its culinary uses but also for its medicinal properties. Cinnamon's distinct aroma and flavor come from its essential oils, primarily cinnamaldehyde.
At a glance
Pregnancy safety
LimitBlood sugar impact
lowCarbs / 100 g
80.6gIs Cinnamon safe with gestational diabetes?
Cinnamon is an outstanding spice for managing gestational diabetes due to its well-documented effects on blood sugar regulation. It provides a sweet, satisfying flavor without adding any sugar, carbohydrates, or significant calories, making it an ideal flavor enhancer. Certain compounds in cinnamon can improve insulin sensitivity, which is a key concern in GD. Regular inclusion of cinnamon can help moderate blood glucose levels after meals. At culinary strength it is an effective way to make a GD-friendly diet more palatable and sustainable, supporting overall glycemic control throughout your pregnancy — cinnamon capsules and supplement-strength extracts are a different matter and are not advised while you are pregnant.
How does Cinnamon affect blood sugar during pregnancy?
Cinnamon has a negligible glycemic index and load, meaning it does not raise blood sugar levels on its own. More importantly, it can positively influence the glycemic impact of a meal by slowing the rate at which the stomach empties after eating. This effect helps to moderate the absorption of glucose from other carbohydrates in the meal, preventing sharp spikes in blood sugar. The active compound, cinnamaldehyde, may also mimic insulin and increase glucose uptake by cells. Since it's a dry spice, cooking methods do not alter its beneficial properties in this context.
What is a safe portion of Cinnamon for gestational diabetes?
A typical and effective portion of cinnamon is about half a teaspoon, sprinkled over a meal or mixed into a drink, and for the common cassia variety that is also the daily ceiling in pregnancy. This amount is sufficient to impart a pleasant flavor and contribute to blood sugar management without being overpowering. Going much beyond half a teaspoon of cassia a day is not advisable, since cassia is high in coumarin, and cinnamon capsules or supplements should be left out entirely. Focusing on consistent, small additions to your meals is more effective than consuming a large amount at once. This portion keeps you comfortably in the culinary range while still giving you the flavor and the benefit.
How should I combine Cinnamon to manage blood sugar during pregnancy?
Cinnamon is a perfect pairing partner for carbohydrate-containing foods to help blunt their glycemic response. Sprinkle it generously on oatmeal, whole-grain toast, or a small portion of baked sweet potato. It also pairs wonderfully with protein and fat sources like plain Greek yogurt, cottage cheese, or a handful of almonds. Adding cinnamon to a fruit smoothie with protein powder can add flavor and aid in blood sugar stabilization. This strategy allows you to enjoy nutritious carbohydrates while mitigating their impact on your glucose levels, which is crucial for GD management.
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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