8 vegetables low in carbohydrates and rich in fiber

The serving of vegetables you should consume in a day varies depending on age, sex, weight, height and physical activity. However, most adults need between two and four cups of vegetables a day. However, according to the Centers for Disease Control and Prevention (CDC), only 10% of adults typically meet these needs. Meeting vegetable recommendations could be even more difficult for those watching their carbohydrate intake, since some popular vegetables are still high in carbohydrates. However, many vegetables are actually low in carbohydrates and high in fiber, making them a great addition to low-carb diets.


There are many reasons why you can follow a low carbohydrate diet. Whether related to blood sugar control, weight loss efforts, or managing other metabolic conditions, swapping high-carb vegetables for low-carb alternatives can be beneficial, especially when choosing vegetables high in fiber and low in carbohydrates.


Below are some popular vegetables that are low in carbohydrates and high in fiber.



Cauliflower is a popular vegetable in low-carb diets. It is a cruciferous vegetable low in calories and carbohydrates, but rich in fiber, vitamins and minerals. It can be made with rice and used as a low-carb grain substitute or even as a pizza base for a low-carb twist on an all-time classic.


One cup of cauliflower provides 27 calories, 5 grams (g) of carbohydrates and 2 g of fiber. Plus, it’s a good source of vitamin C, with 51 milligrams (mg) or 45% of the daily value per cup.



Broccoli, another cruciferous vegetable, contains many important nutrients despite being low in carbohydrates. One cup of broccoli provides approximately 30 calories and 5 g of carbohydrates. Each serving also provides about 2 g of fiber and doses of important vitamins and minerals, such as folate, potassium and vitamin C.



Asparagus comes in different colors, including green, purple, and white. It is a popular spring vegetable, but can often be enjoyed year-round. While asparagus is usually served steamed or roasted, raw asparagus can add a crunch to cold foods like salads or sushi bowls.


One cup of raw asparagus provides approximately 27 calories, 5 g of carbohydrates and almost 3 g of fiber. It is also an excellent source of vitamin K, essential for blood clotting, and folate, necessary for DNA synthesis.



Purple cabbage is another low-carb, high-fiber vegetable packed with nutrients. Its purple hue adds many plant compounds to a well-balanced meal. Red cabbage is rich in anthocyanin, a flavonoid that has been linked to the prevention of diseases associated with oxidative stress, such as neurodegenerative and cardiovascular diseases.


One cup of red cabbage provides approximately 28 calories, 7 g of carbohydrates and 2 g of fiber. Each serving also provides notable amounts of vitamin C and vitamin K.



Eggplants, sometimes called eggplants, come from the nightshade family. They are generally purple, but can also be red or black. Still, no matter their color, eggplants are rich in nutrients. One cup of eggplant provides 21 calories, 5 g of carbohydrates and more than 2 g of fiber. Additionally, eggplants are known to be high in antioxidants and many essential vitamins and minerals.


Eggplant is a versatile vegetable, rich in flavor and texture. It pairs well with many seasoning blends and can be roasted, sautéed, baked or broiled.



Kale is extremely low in carbohydrates and high in fiber. One cup of cooked kale provides 60 calories, 6 g of carbohydrates and almost 6 g of fiber. Additionally, kale is rich in vitamin A, vitamin C, and calcium. This leafy green can be enjoyed fresh in a salad or wrapped or cooked as part of a savory meal.



Bell peppers, sometimes called sweet peppers, are a healthy vegetable with many health benefits. They can be green, yellow, orange and red, but all varieties contain powerful antioxidants that help protect the body against oxidative damage.


One cup of chopped red pepper provides 39 calories, 9 g of carbohydrates and 3 g of fiber. It is also rich in vitamin A and vitamin C, essential for several biological processes.



Mushrooms are very low in carbohydrates. One cup provides 15 calories, 2 g of carbohydrates and almost 1 g of fiber. Mushrooms have also been shown to have anti-inflammatory and antioxidant properties, which can help improve metabolic markers over time, for example blood sugar, cholesterol, blood pressure and waist circumference.



Some vegetables are higher in carbohydrates than others and can significantly affect your blood sugar levels. If you are following a low-carb diet, you may need to moderate your intake of these vegetables or consider swapping them for low-carb alternatives.


Popular carbohydrate-rich vegetables include:


  • Potatoes: Potatoes are starchy vegetables with a high glycemic index, meaning they can quickly affect blood glucose levels. Instead of potatoes, consider roasting low-carb vegetables like cauliflower or asparagus.
  • Corn: Corn contains a significant amount of carbohydrates. While it can be enjoyed in moderation, some might consider swapping it for alternatives, such as chopped bell peppers or riced cauliflower.
  • Peas: Green peas tend to have more carbohydrates than their non-starchy counterparts. Leafy greens and bell peppers can provide similar nutrients with fewer grams of carbohydrates.


However, it is important to remember that a healthy diet is about balancing and meeting individual nutritional needs. A registered dietitian can help you determine your unique nutritional needs and provide recommendations to help you meet those needs.



Increasing fiber and reducing carbohydrate intake can offer several health benefits. Adjusting the balance between carbohydrates and fiber can help regulate blood sugar levels, promote healthy digestion, reduce the risk of cardiovascular disease and promote weight control.


According to the latest Dietary Guidelines for Americans, adults need between 25 and 34 g of fiber per day, depending on age and sex. Vegetables are an effective way to increase dietary fiber and meet those needs. Vegetables are nutrient dense, meaning they are low in calories and packed with vitamins and minerals.


Low-carb vegetables can add nutrients and fiber to meals without causing an unwanted spike in blood sugar. Additionally, fiber-rich vegetables can increase satiety, keeping you fuller longer and reducing the chance of overeating.



Low-carb vegetables can be integrated into a well-balanced diet in many different ways. Enjoy them cold as a refreshing snack or incorporate them into healthy meals to add nutrients and fiber.


Consider making a vegetable omelette with bell peppers, tomatoes, and spinach for a colorful and nutritious breakfast. Other options include a sweet potato hash made with onion and bell pepper, egg muffins made with spinach and feta cheese, and salmon rolls made with asparagus.


Meal options may include grilled vegetable wraps made with zucchini, eggplant, and bell peppers, cheesy quesadillas made with sautéed mushrooms and spinach, and Caesar salads with kale. You can also prepare stuffed peppers, eggplant lasagna and mushroom risotto.


Low-carb vegetables also make great snacks. Cut vegetables like sweet potatoes, carrots, beets, and zucchini into thin slices and bake to enjoy homemade vegetable chips. Try carrots dipped in hummus for a nutritious and satisfying snack. Use cucumber slices as a sushi wrap to enjoy a refreshing and crispy sushi roll.


Dietary needs and preferences will vary between individuals. However, a registered dietitian dietitian can help navigate the many options available and ensure they meet estimated nutritional needs.



Although a low-carb diet is not right for everyone, some people may benefit from moderating their carbohydrate intake. For example, those at risk of developing type 2 diabetes or those currently managing the condition should consider the carbohydrates consumed at each meal and snack. Eating low-carb vegetables can support carbohydrate goals while providing essential nutrients.


Low-carb vegetables offer many health benefits, especially those high in fiber. High-fiber, low-carb vegetables are less likely to affect blood sugar levels while providing many nutrients that promote overall health. Adequate fiber intake can help improve gastrointestinal health, support blood sugar control, and reduce the risk of developing cardiovascular disease.

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