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Water Spinach (Kangkong) — glycemic index and gestational diabetes guide

Nutrition per 100g

Calories19 kcal
Carbohydrates3.1g
of which Sugars0.5g
Fiber2.1g
Protein2.6g
Fat0.2g
of which Saturated0g
Sodium69mg
Glycemic Index15

Fruits & VegetablesVegetables

Water Spinach (Kangkong) for Gestational Diabetes

low carbhigh fibernutrient denseblood sugar friendly

Water spinach, known as Kangkong in Southeast Asia, is a semi-aquatic leafy green vegetable prized for its tender leaves and crisp, hollow stems. It has a mild, slightly sweet flavor that readily absorbs the taste of sauces and spices it's cooked with. This versatile vegetable is a staple in many Asian cuisines, valued for both its taste and rapid cooking time. There are two main varieties: one with broader, arrow-shaped leaves and thicker stems, and another with narrow, grassy leaves and thinner stems. Both are equally delicious and nutritious, packed with vitamins and minerals.

Gestational Diabetes Profile

GD Suitability

GI Impact

low

Glycemic Index

15 · low

Is Water Spinach (Kangkong) safe with gestational diabetes?

Water spinach is an outstanding choice for managing gestational diabetes due to its excellent nutritional profile. It is extremely low in carbohydrates and calories while being rich in dietary fiber, which is crucial for blood sugar control. This leafy green is also a good source of essential nutrients like iron, vitamin A, and vitamin C, supporting both maternal and fetal health. Its high water content also contributes to hydration. Including water spinach in your diet is an easy way to add volume and nutrients to meals without impacting glucose levels.

How does Water Spinach (Kangkong) affect blood sugar during pregnancy?

The glycemic impact of water spinach is very low, with a negligible effect on blood sugar levels. Its high fiber content slows down digestion and the absorption of any carbohydrates in the meal, preventing sharp glucose spikes. Cooking methods can have a minor influence; a quick stir-fry or steaming preserves its fiber structure better than prolonged boiling, which can break down cell walls and make its minimal carbs slightly more available. Overall, it is one of the safest vegetables for maintaining stable blood sugar throughout the day.

What is a safe portion of Water Spinach (Kangkong) for gestational diabetes?

A suitable portion of water spinach is a large handful or two of the raw vegetable, which will cook down significantly. Because its carbohydrate content is so minimal, you do not need to be overly restrictive with your portion size from a blood sugar perspective. The main consideration is ensuring it is part of a balanced plate that also includes adequate protein and healthy fats. Feel free to use it generously to bulk up meals, helping you feel full and satisfied while keeping your carb intake in check.

How should I combine Water Spinach (Kangkong) to manage blood sugar during pregnancy?

To create a balanced, blood-sugar-friendly meal, pair water spinach with a quality source of lean protein and healthy fats. For example, serve a generous portion of garlic stir-fried water spinach alongside grilled fish, chicken breast, or firm tofu. The protein helps to further slow carbohydrate absorption and promotes satiety. Adding a source of healthy fat, such as a drizzle of sesame oil after cooking or a few slices of avocado on the side, also blunts any potential glycemic response and aids in the absorption of fat-soluble vitamins like Vitamin A.

Last reviewed: July 3, 2026

Talk to Your Healthcare Provider

Ratings and portion guidance on this page are for informational purposes only and do not constitute medical advice. Every pregnancy is different — always confirm your blood sugar targets and meal plan with your OB-GYN, midwife, or certified diabetes educator. By using this guide, you agree to our Terms and Conditions.

Content independently developed by SugarCurve Editorial Team, 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: July 2026

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