Low-Carb Pasta & Noodles: A Current Label Comparison

A useful comparison starts with a specific product, its current US Nutrition Facts panel, and its labeled serving—not a blanket claim about hearts of palm, shirataki, or legume pasta. In the products checked for this update, calculated or manufacturer-declared net carbs range from 2 g for a 75 g Palmini serving to 27 g for 2 oz of Banza Rotini. Those figures are a label snapshot, not a metabolic guarantee.

This independent comparison uses current manufacturer pages and US label data; it is not a paid placement or a taste test. Formulas, labels, prices, and availability can change. Check the package you are buying, especially when allergies or medically directed carbohydrate counting matter.

What makes pasta or noodles "low-carb"?

There is no FDA-defined threshold that makes a pasta "low-carb," and net carbs is not a required Nutrition Facts field. The common US calculation is total carbohydrate minus dietary fiber; some brands also subtract certain sugar alcohols or allulose. That shorthand can conceal differences in serving size and ingredient composition. The FDA label itself reports total carbohydrate and dietary fiber, and the American Diabetes Association advises using total carbohydrate when managing diabetes unless an individual care plan says otherwise.¹²

Run any label through the net-carb calculator to check a brand's math yourself, and see the full list of qualifying staples on the keto food list.

How do the current products compare?

Product checked	Labeled serving	Current carbohydrate snapshot	Important ingredient or allergen note
Palmini Linguine	75 g	4 g total; 2 g fiber; 2 g calculated net	Hearts of palm
House Foods Traditional Shirataki	1 package (226 g)	5 g total; 0 g labeled fiber	Made from konjac; made in a facility that also processes soy
Kaizen Ziti	2 oz dry	Manufacturer lists 6 g net; 15 g fiber; 20 g protein	Contains lupini; gluten- and grain-free
Explore Cuisine Edamame Spaghetti	2 oz dry	20 g total; 13 g fiber; 7 g calculated net	Contains soy
Banza Rotini	2 oz dry	32 g total; 5 g fiber; 27 g calculated net	Chickpeas, pea starch, tapioca, xanthan gum

How did we pick these low-carb pasta brands?

These are comparison examples, not ranked winners. We checked a named product rather than treating every item from a brand as nutritionally identical, recorded the serving used by the label, and separated reported values from calculated net carbs. We did not taste the products or test post-meal glucose or ketones.

The screening criteria, in order:

1. Comparable serving information — dry weights and drained or package weights are shown rather than treated as equivalent portions.
2. Label-first carbohydrate data — total carbohydrate and dietary fiber are retained when available; calculated net carbs are identified as calculations.
3. Ingredients and allergens — the comparison calls out soy and lupini instead of reducing the decision to a carb number.
4. Freshness — product pages and label data were rechecked on August 23, 2026; the package remains the final source at purchase.

Palmini (Hearts of Palm Pasta)

The current Palmini Linguine label lists a 75 g serving with 4 g total carbohydrate, 2 g dietary fiber, and 20 calories. That calculates to 2 g net carbs using total carbohydrate minus fiber.³ The ingredient list is sliced hearts of palm, water, sea salt, and citric acid. Drain and rinse it, then use the package directions for heating. Do not transfer the number to every Palmini shape or assume a larger bowl is one serving.

Shirataki / Konjac Noodles

Shirataki is a category in which the exact label matters. House Foods describes its Traditional Shirataki as konjac-based; the current US retail label checked here treats the whole 226 g package as one serving and lists 5 g total carbohydrate and 0 g dietary fiber.⁴ A tofu-shirataki product can have different values and contains soy. Drain and rinse according to the package, and keep refrigerated products cold. Do not assume that every konjac noodle is "zero net carb" from the ingredient name alone.

Kaizen Better Carb Pasta

Kaizen's current Ziti page lists 6 g net carbs, 15 g fiber, and 20 g protein per 2 oz serving—not the older wheat-based figures previously shown here. Its ingredient list is lupini flour, fava bean protein, tapioca starch, and xanthan gum; the manufacturer identifies the product as gluten- and grain-free.⁵ It contains lupini, a legume in the same plant family as peanuts. The package contains four 2 oz servings, and the manufacturer directs users to boil the pasta for 4–6 minutes, adjusting for the shape and preferred firmness.

Explore Cuisine Edamame Spaghetti

Explore Cuisine Edamame Spaghetti uses one ingredient—organic edamame bean flour—and contains soy. A current US label lists 20 g total carbohydrate, 13 g dietary fiber, and 24 g protein per 2 oz serving, which calculates to 7 g net carbs.⁶ The brand's preparation instructions call for simmering rather than using texture claims as evidence of nutritional equivalence to wheat pasta.

Banza Chickpea Rotini

A current Banza Rotini label lists 32 g total carbohydrate and 5 g dietary fiber per 2 oz serving, or 27 g by the simple net-carb calculation. It also lists 13 g protein, and the current product ingredient list is chickpeas, pea starch, tapioca, and xanthan gum.⁷ That is substantially more carbohydrate than the other named products in this table. Whether it fits a person's plan depends on the full meal and any medically directed carbohydrate target; the word "chickpea" does not answer that question.

Net carbs by noodle type: which base is lowest carb?

The five named products do not support a universal hierarchy by base ingredient. Palmini is lowest by the simple calculation in this snapshot, while the current House Foods Traditional Shirataki label lists 5 g total carbohydrate with no dietary fiber declaration. Kaizen's lupini blend and Explore Cuisine's edamame pasta are close on manufacturer-declared or calculated net carbs, but their allergen profiles differ. Compare the amount you will actually eat, not just the smallest front-of-package number.

How should texture affect the choice?

Texture is subjective, and this article did not run a blinded tasting panel. The most defensible choice comes from constraints you can verify: current label, allergens, serving size, cooking method, storage needs, and price at the time you buy. Hearts-of-palm and refrigerated shirataki products require different preparation and storage from dry pasta, so convenience can matter as much as the carbohydrate calculation.

What should you check on the label before buying?

Use the Nutrition Facts panel and ingredient list together. The source of fiber does not become "fake" simply because it is isolated, but different fibers and sugar alcohols should not be assumed to have identical effects. If glucose management is the reason for counting carbohydrate, follow the method in your care plan rather than a brand's front-of-package subtraction.

• Serving and container size: compare grams, not only the word "serving," and multiply every nutrient if you eat more than the labeled amount.
• Total carbohydrate and fiber: keep the original label values visible even when you calculate net carbs.
• Allergens: lupini and soy matter independently of carbohydrate count. Recheck the package after any reformulation.
• Preparation and storage: refrigerated noodles are perishable; follow the package directions and cold-storage instructions.

Stock your pantry with these alongside other staples on the keto shopping list and the full keto grocery shopping list. If you're also shopping for wraps, our best low-carb tortillas guide uses the same net-carb comparison approach. See the full best keto products hub for bread, crackers, and more store-bought buying guides built the same way.

Frequently Asked Questions

Is Banza Rotini low in carbohydrates?

The current label checked here lists 32 g total carbohydrate and 5 g dietary fiber per 2 oz serving. That is 27 g using total carbohydrate minus fiber, substantially more than the other products in this comparison.

Are all shirataki noodles zero-carb?

No. Labels vary by product and regulatory treatment. The current House Foods Traditional Shirataki label checked here lists 5 g total carbohydrate and 0 g dietary fiber for one 226 g package.

Is Kaizen pasta made from wheat?

The current Kaizen Ziti ingredient list is lupini flour, fava bean protein, tapioca starch, and xanthan gum. The manufacturer identifies it as gluten- and grain-free and warns that lupini belongs to the same plant family as peanuts.

How should I calculate net carbs from a US label?

A common shorthand is total carbohydrate minus dietary fiber, but net carbs is not a required FDA label field. Keep the original totals visible, and use the carbohydrate-counting method prescribed in your diabetes or clinical care plan.

Can I compare every product using one serving?

Not directly. This table includes a 75 g serving, 2 oz dry servings, and a whole 226 g package. Compare the gram weight and multiply the label values for the amount you expect to eat.

Works cited

1. How to Understand and Use the Nutrition Facts Label — U.S. Food and Drug Administration, updated February 25, 2025 — August 23, 2026 https://www.fda.gov/food/nutrition-facts-label/how-understand-and-use-nutrition-facts-label
2. Get to Know Carbs — American Diabetes Association — August 23, 2026 https://diabetes.org/food-nutrition/understanding-carbs/get-to-know-carbs
3. Palmini Linguine — Palmini, current product page and label data — August 23, 2026 https://eatpalmini.com/palmini-linguine/
4. Traditional Shirataki — House Foods, current product page; US label data checked against the current product listing — August 23, 2026 https://www.house-foods.com/products/shirataki/traditional-shirataki
5. Low Carb Ziti — Kaizen Food Company, current product page, nutrition summary, ingredients, allergen statement, and preparation directions — August 23, 2026 https://kaizenfoodcompany.com/products/low-carb-ziti

Article history

1. August 23, 2026Updated
2. August 19, 2026First published