What Japanese noodles are gluten-free?

Quick Answers

Many traditional Japanese noodle varieties are naturally gluten-free, including soba, shirataki, harusame, and konyaku noodles. However, some contain wheat and are not gluten-free, like ramen, udon, and somen. When dining out or purchasing noodles, check labels and ask about ingredients to ensure gluten-free options. Some gluten-free substitutes like rice, buckwheat, or konjac noodles are also available.

For those avoiding gluten, finding gluten-free noodles can be a challenge. Luckily, Japanese cuisine offers several naturally gluten-free noodle varieties made from buckwheat, rice, yam, and konjac. With some care when purchasing and dining out, those with gluten intolerance or celiac disease can enjoy many traditional Japanese noodle dishes.

This article will outline the most common types of Japanese noodles, discussing which are naturally gluten-free and safe for a gluten-free diet. It will also provide tips for identifying gluten-free Japanese noodles when grocery shopping or eating out at restaurants.

Overview of Common Japanese Noodles

Japanese noodles come in many varieties, textures, and flavors. Some are thick and chewy like udon, while others are thin and delicate like somen. Here is a quick overview of the major types:

Soba – Thin buckwheat noodles. Naturally gluten-free.

Udon – Thick, chewy wheat noodles. Contain gluten.

Somen – Thin wheat noodles. Contain gluten.

Ramen – Wheat noodles originally from China. Contain gluten.

Shirataki – Transparent konjac noodles. Gluten-free and very low carb.

Harusame – Translucent noodles made of potato starch or mung bean starch. Gluten-free.

Konyaku – Gelatinous noodles from the konyaku yam. Gluten-free.

As you can see, traditional Japanese noodle varieties using wheat contain gluten. However, buckwheat, rice, potato starch, konjac, and konyaku noodles offer gluten-free alternatives.

Gluten-Free Japanese Noodles

Here is more detail on the major types of naturally gluten-free Japanese noodles:


Soba is a thin, brown noodle made from buckwheat flour. It has an earthy, nutty flavor and chewy texture. Since it does not contain any wheat, soba is completely gluten-free.

Soba noodles are often served cold with a dipping sauce called tsuyu. They can also be featured in hot noodle soups and stir fries. Classic soba dishes include:

– Zaru Soba – Chilled soba with dipping sauce
– Kitsune Soba – Topped with sweet fried tofu
– Tanuki Soba – Topped with tempura crumbs
– Kamo Nanban Soba – Topped with duck and scallions

When purchasing soba noodles, be aware that some contain a small amount of wheat flour in addition to buckwheat. Check labels and ingredient lists to verify 100% buckwheat soba for a gluten-free option.


Shirataki noodles are made from the konjac yam. They are translucent, gelatinous noodles that are gluten-free, low calorie, and low carb. Shirataki noodles have little flavor on their own, so they easily absorb surrounding sauces and seasonings.

Since they have a rubbery, chewy texture, shirataki noodles work best in soups, hot pots, and stir fries. They require rinsing and brief boiling or pan-frying to reduce any funky odor. Popular shirataki dishes include:

– Oden – Various ingredients stewed in dashi broth
– Sukiyaki – Thinly sliced meat cooked with vegetables
– Yaki Udon – Pan-fried udon noodles and vegetables

Shirataki noodles can be used as a gluten-free substitute for ramen and udon in these dishes. Look for shirataki noodles made 100% from konjac flour to ensure gluten-free.


Harusame translates to “spring rain” and refers to thin translucent noodles made from potato starch or mung bean starch. They have an elastic, gel-like texture and bland flavor.

Harusame noodles are commonly used in hot pots, stir fries, and chilled noodle dishes. They readily absorb surrounding flavors. Some popular harusame dishes are:

– Yakisoba – Stir-fried noodles with meat and vegetables
– Nabeyaki Udon – Udon noodle soup cooked in an earthenware pot
– Sōmen Salad – Chilled somen noodles with vegetables

When shopping for harusame noodles, check that they are made purely from potato or mung bean starch without any wheat-based ingredients. This makes them gluten-free.


Konyaku noodles are made from the konyaku yam. They have a jelly-like consistency and are translucent white in color. Konyaku noodles are gluten-free and low carb.

Since they have an ultra-chewy, gelatinous texture, konyaku noodles are best paired with saucy dishes. They are commonly used in:

– Oden – Dashi broth stew with ingredients like fish cakes, boiled eggs, and radish
– Sukiyaki – Thinly sliced beef cooked in sauce with veggies
– Mizore Nabe – Hot pot with salmon, tofu, and vegetables

Check ingredient lists when purchasing konyaku noodles to ensure they do not contain wheat or gluten ingredients. 100% konyaku noodles are gluten-free.

Finding Gluten-Free Japanese Noodles

When shopping for Japanese noodles, read labels carefully to identify gluten-free options. Also check for certification symbols like the Crossed Grain symbol which indicates gluten-free products. Some gluten-free Japanese noodle brands include:

– Koyo Organic Soba Noodles
– Lotus Foods Rice Ramen
– Miracle Noodle Shirataki Noodles
– Tofu Shirataki Noodles
– Explore Asian Organic Konyaku Noodles

Many mainstream grocery stores now carry gluten-free alternatives like soba, rice noodles, shirataki, and konyaku. Check the Asian food aisle or gluten-free sections. Natural food stores, Asian markets, and online retailers offer even more variety.

When dining out at Japanese restaurants, ask about gluten ingredients in the noodles. Most menus will clearly identify soba and udon. Explain your dietary needs to the staff. Many restaurants now offer gluten-free noodle substitutions or tamari sauce instead of soy sauce.

Gluten-Free Substitutes

In addition to naturally gluten-free Japanese noodles, you can substitute other gluten-free noodles in Japanese dishes:

Rice Noodles – Thin rice flour noodles like rice vermicelli or pad thai noodles work well in soups, stir fries, and cold noodle salads.

Buckwheat Soba – 100% buckwheat soba can replace wheat noodles in soups and broths.

Cornstarch Noodles – Sturdy cornstarch or arrowroot noodles mimic chewy udon texture.

Bean Thread Noodles – Transparent mung bean noodles work for hot pots and stir fries.

Spiralized Vegetables – Use a spiralizer on zucchini, carrots, or sweet potatoes for low-carb “noodles”.

With some creative substitutions, you can adapt traditional Japanese noodle dishes to be gluten-free and suit your dietary needs. The naturally gluten-free options offer great variety and authentic flavors.

Gluten-Free Ramen Options

Ramen is one of the most popular Japanese noodle dishes, featuring wheat noodles in flavored broth with toppings like pork, egg, and scallions. Fortunately, some ramen shops and products now offer gluten-free ramen options:

Konjac Ramen – Ramen with shirataki konjac noodles is gluten-free.

Tofu Ramen – Some ramen shops can substitute tofu noodles.

Zaru Soba – Chilled soba noodles with ramen broth for dipping.

Rice Ramen – Ramen with rice noodles instead of wheat.

Mung Bean Ramen – Ramen made with bean thread noodles.

Vegetable Ramen – Ramen with spiralized veggie noodles.

Check with ramen restaurants on gluten-free options or look for certified gluten-free ramen cup noodles. With some modifications, you can still enjoy ramen on a gluten-free diet.

Gluten-Free Udon Dishes

Udon noodles are thick wheat flour noodles popular in soups, stir fries, and chilled noodle dishes. To make udon gluten-free:

Kelp Noodles – Seaweed noodles mimic chewy udon texture.

Konyaku Noodles – The konjac yam is made into chewy udon-style noodles.

Zucchini Noodles – Spiralized zucchini has a tender but toothsome texture.

Tofu Noodles – Ask restaurants if they can substitute tofu noodles in hot udon soups.

Buckwheat Soba – Use chilled soba noodles with udon soup broth for dipping.

With a few easy swaps, you can enjoy gluten-free versions of popular udon noodle dishes like:

– Kitsune Udon – Udon with sweet fried tofu
– Curry Udon – Udon in curry broth
– Tanuki Udon – With tempura crumbs
– Nabeyaki Udon – Udon cooked in clay pot

Gluten-Free Somen and Soba Salads

For chilled noodle dishes, use naturally gluten-free soba along with substitute noodles like:

Rice Vermicelli – Thin rice noodles work perfectly in chilled noodle salads.

Cellophane Noodles – Made from mung bean starch, these are common in somen salads.

Shirataki Noodles – Rinsed shirataki noodles absorb the flavored dressing.

Zucchini Noodles – Raw spiralized zucchini gives crunch.

You can use these gluten-free noodles in popular chilled noodle salads like:

– Gomaae – Blanched spinach and sesame dressing over noodles.

– Hiyashi Chūka – Ramen noodle salad with egg, ham, and veggies.

– Tanuki Soba – Chilled soba with crunchy tempura bits.

So while traditional somen noodles contain gluten, you have many refreshing gluten-free cold noodle salad options for summer.

Homemade Gluten-Free Japanese Noodles

Making your own Japanese noodle dishes at home ensures you control the ingredients. Here are some recipes for homemade gluten-free Japanese noodles:

Soba – Mix buckwheat flour and water into a dough. Roll out and cut into thin noodles.

Rice Noodles – Make a rice flour and water dough. Roll out and cut into noodles.

Shirataki – Grate konjac yam, mix with water, and boil into translucent noodles.

Kelp Noodles – Simmer dried kelp pieces in water until soft and string-like.

Zucchini Noodles – Use a spiralizer tool to cut zucchini into long noodle shapes.

Check out Asian grocery stores for gluten-free Japanese noodle ingredients like buckwheat flour, rice flour, konjac powder, and kelp. Make big batches to use all week!

Purchasing Gluten-Free Japanese Noodle Products

Many companies now produce gluten-free Japanese noodle products that you can purchase online or in stores:

Brand Gluten-Free Products
Lotus Foods Rice ramen, rice udon, soba noodles
JFC International Soba, ramen, harusame, shirataki noodles
Eden Foods Organic soba noodles, konyaku noodles
House Foods Shirataki noodles, tofu noodles
Explore Asian Black bean noodles, mung bean noodles

Check the ingredients to verify gluten-free when purchasing. Many shops online also offer gluten-free Japanese noodles made in dedicated gluten-free facilities.

Dining Out Gluten-Free at Japanese Restaurants

When eating at Japanese restaurants, here are some tips to follow a gluten-free diet:

– Ask about ingredients up front and mention gluten-free needs.

– Order clear broths like miso, shoyu, or dashi without soy sauce.

– Request gluten-free tamari instead of soy sauce.

– Choose dishes with naturally gluten-free noodles like soba, udon, shirataki.

– Ask if rice, corn starch, or mung bean noodles are available.

– Ensure tempura is made with 100% rice flour.

– Avoid wheat-heavy dishes like gyoza, fried items with breading, ramen.

– Check that meat/fish are marinated in gluten-free ingredients.

– Pass on condiments like soy sauce unless gluten-free.

Call ahead to ask about accommodating a gluten-free diet. Many Japanese restaurants are happy to make adjustments. Be aware of cross-contamination with utensils and surfaces too.

Gluten-Free Japanese Noodle Recipes

Here are some delicious recipes for gluten-free Japanese noodle dishes you can make at home:

Cold Soba Salad with Cucumber – Blanched soba noodles, cucumber, sliced omelet, pickled ginger and radishes. Tossed in rice vinegar dressing.

Warm Udon Soup – Kombu dashi broth with shiitake mushrooms, spinach, and shirataki noodles.

Yaki Soba – Stir fried beef and vegetables over buckwheat soba noodles.

Vegetable Ramen – Miso broth with spiralized carrots, zucchini, and bean sprouts over kelp noodles.

Shrimp Tempura Soba – Crispy shrimp with ginger soy dipping sauce over cold soba noodles.

With some creative use of substitute noodles, you can enjoy all the flavors of popular Japanese noodle dishes gluten-free!


Avoiding gluten doesn’t mean missing out on delicious Japanese noodles. Traditional buckwheat soba, konjac shirataki, konyaku noodles, and mung bean harusame offer plenty of gluten-free options. Look for 100% gluten-free ingredients when purchasing pre-made noodles. Rice, vegetable, and starch-based substitutes also allow you to adapt classic noodle dishes to be gluten-free. With some awareness when shopping and dining out, you can enjoy all the flavors of Japanese cuisine on a gluten-free diet.

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