Low-Carb Pasta Buyer’s Guide: Finding the Right Alternatives

By Joybuy Product Recommendation Officer, 10 July 2026

For many people, giving up traditional durum wheat pasta is a key part of a low-carb or gluten-free diet. However, the search for a suitable pasta substitute that delivers on both flavour and texture can be a challenge. The market offers a wide range of options, from vegetable-based noodles to varieties made from legumes or konjac root.

This guide is designed to help you navigate the choices. It introduces different types of low-carb pasta, explains their specific properties, and helps you make an informed purchasing decision that aligns with your personal dietary goals.

What to Look for When Buying Low-Carb Pasta

Choosing the right pasta alternative depends on your personal preferences and dietary needs. Three criteria are particularly important.

1. The Base Ingredient Determines Its Properties

The foundation of a pasta alternative has the biggest impact on its nutritional value, flavour, and consistency.

• Konjac Flour:Konjac noodles, also known as shirataki noodles, are made from the flour of the konjac root. They consist mainly of water and the soluble fibre glucomannan. This makes them virtually free of calories and carbohydrates, establishing them as a popular choice for the ketogenic diet. Their texture is rather firm to the bite and slightly gelatinous.
• Legumes: Noodles made from lentils, chickpeas, or beans are rich in protein and fibre. They offer a firm texture that closely resembles traditional pasta. While their carbohydrate content is lower than that of wheat pasta, it is significantly higher than konjac-based products.
• Corn and Rice: These varieties are primarily designed as gluten-free pasta. They are suitable for people with coeliac disease or gluten sensitivity. However, their carbohydrate content is often comparable to that of wheat pasta, making them generally unsuitable for a strict low-carb diet.

2. Understanding Nutritional Information

A close look at the nutrition facts label is essential. Pay special attention to the net carbs content. This is calculated by subtracting sugar alcohols and, in some cases, fibre from the total carbohydrates. For a strict low-carb or keto diet, products with under 5 grams of carbohydrates per 100 grams are ideal. Low-calorie noodles, such as those made from konjac, can also help you achieve a calorie deficit.

3. Preparation and Texture

Preparation can vary depending on the product. While noodles made from corn or legumes are typically cooked in salted water as usual, konjac noodles require special preparation. They are usually packaged in liquid and should be rinsed thoroughly under cold water before use to remove a slight inherent odour. They are then briefly heated, for example, in a sauce or soup.

Our Top Pasta Alternative Picks

Here is a selection of products that cater to different needs—from gluten-free to virtually carb-free.

Barilla Gluten-Free Spaghetti 400g

What makes it stand out: This pasta from Barilla is based on a blend of white corn flour, yellow corn flour, and rice flour. It was developed to mimic the classic "al dente" texture of wheat pasta while being gluten-free.

• Pros:
  • Familiar texture and taste experience
  • Made by an established pasta brand
  • Certified gluten-free
• Best for:
  • Individuals with coeliac disease or gluten sensitivity who are looking for the most authentic alternative to traditional pasta. Due to its high carbohydrate content of 78.7 g per 100 g, this product is not intended for a low-carb or ketogenic diet.

Shop Barilla Gluten-Free Spaghetti Now

FISHWELL Yu Quan Konjac Noodles 380g

What makes it stand out: These shirataki noodles are made from konjac flour and water. With only 6 kcal and 1.5 g of carbs per 100 g (drained weight), they are one of the lowest-calorie and lowest-carb options on the market.

• Pros:
  • Extremely low in calories and carbohydrates
  • Gluten-free and vegan
  • Versatile for use in soups, stir-fries, or salads
• Best for:
  • Ideal for followers of the ketogenic diet, individuals focused on weight management, and diabetics who need to manage their blood sugar levels. The noodles are flavour-neutral and absorb the taste of sauces well.

Shop FISHWELL Konjac Noodles Now

Nakaki 0kcal Konjac & Soy Noodle 180g

What makes it stand out: This Japanese product combines konjac flour with soybean powder. This blend aims to improve the texture compared to pure konjac noodles and reduce the typical inherent odour. According to the manufacturer, they contain 0 kcal and 0.8 g of carbs per 100 g.

• Pros:
  • Virtually zero calories and carbohydrates
  • More odour-neutral and texturally closer to traditional pasta
  • Very quick to prepare: just rinse and heat briefly
• Best for:
  • People following a strict low-carb diet but looking for an alternative to pure konjac noodles. The easy preparation makes them a convenient option for quick meals.

Shop Nakaki Konjac & Soy Noodle Now

Looking for More Alternatives?

The world of pasta alternatives is vast and constantly evolving. In addition to the products featured here, there are numerous other varieties based on different ingredients that offer diverse flavour and texture profiles.

If you want to explore more options for a gluten-free diet, you'll find a wide selection in our range.

Discover More Gluten-Free Pasta Here

Frequently Asked Questions About Low-Carb Pasta

What kinds of pasta alternatives are there?

The market offers a wide range of alternatives to wheat pasta. The most common include:

• Konjac noodles (shirataki): Virtually free of calories and carbs, gluten-free, and flavour-neutral.
• Legume-based noodles: Rich in protein and fibre, with a firm texture and moderate carbohydrate content. Examples include noodles made from red lentils or chickpeas.
• Vegetable noodles: Spiralised zucchini ("zoodles"), carrots, or squash. Very low in carbs, but with a distinct flavour and softer texture.
• Gluten-free grain noodles: Made from corn, rice, or buckwheat. Primarily suitable for a gluten-free diet, but not for a low-carb one.

What do konjac noodles taste like?

Pure konjac noodles are naturally flavour-neutral. Their strength lies in their ability to absorb the flavours of sauces, spices, and other ingredients they are combined with. Some products have a slightly fishy odour when the package is opened, which comes from the alkaline water used for preservation. However, this smell disappears completely when the noodles are rinsed thoroughly under running water before use. Their texture is firm and slightly rubbery, which may not appeal to everyone's taste.

Can low-calorie noodles support weight loss?

Weight loss is fundamentally achieved through a calorie deficit, meaning you burn more energy than you consume over a sustained period. Low-calorie noodles, especially zero-carb noodles like konjac noodles, can support this process. They allow you to prepare voluminous and filling meals with very few calories. The glucomannan fibre they contain also contributes to a long-lasting feeling of fullness. However, they are not a standalone solution for weight loss but rather a component of a balanced, calorie-controlled diet and an active lifestyle.