Glass noodles (from the original cup noodle)
Diet perspectiveSilky, smooth glass noodles based on the recipe from "Chuka-bo Malatang"
Available at: All locations
CHAIN GUIDE
iSDG Malatang
iSDG Malatang is a malatang chain run by ISDG Ishokudogen, a Japanese health-food company. Their hit cup noodle "Chuka-bo Malatang" sold 13 million servings in 16 months — and this chain brings that recipe to life. The first store opened in Kichijoji on February 26, 2026. The base set (broth + noodles) is ¥620, with toppings sold by weight at ¥3.1 per gram from a lineup of 40+ ingredients. Dozens of locations are planned for the year ahead.
- Base Price
- 620yen〜
- Spice
- 0–4spice
Ordering System
Varies by location
620yen〜
Tax excl.
Self-serve by weight + base set (born from a cup noodle)
By Weight- Applies to
- All stores
- Includes
- Broth + noodles
- ▸ Pick freely from 40+ ingredients displayed in the showcase
- ▸ Base set (broth + noodles) ¥620; toppings priced at ¥3.1 per gram by weight
- ▸ Certain items available as individual add-ons (e.g., oysters: ¥150 for 2–3 pieces)
- ▸ Budget guide: ¥1,000–¥1,999 per person (some combinations reach ¥2,001–¥3,000)
- ▸ Hours: Mon–Sun 11:00–22:00, open daily
Spice Levels
From clear broth to max heat
0 Level 0 (no spice) 1 Level 1 (mild) ★ 4 Level 4 (extra hot)
- 0 Level 0 (no spice)
Enjoy the "Chuka-bo Malatang" broth with zero heat. Great for families with children or spice-shy diners
- 1 Level 1 (mild) Most Popular
Entry-level for first-timers who want a hint of the signature mala aroma
- 2 Level 2 (medium) Most Popular
The standard heat — the go-to choice for fans of the original cup noodle
- 3 Level 3 (hot)
For those who want a good sweat
- 4 Level 4 (extra hot)
The maximum level — a challenge for seasoned spice lovers
Popular Toppings
By weight — add as much as you like
Oysters
Available as an individual add-on — ¥150 for 2–3 pieces. Fresh, briny, and a great match for the broth
Lamb
The rich fat of lamb pairs perfectly with the mala broth
Pork
The reliable, crowd-pleasing meat choice
View nutrition info →
Chicken
Mild and family-friendly
View nutrition info →Fish balls
Springy, bouncy fish paste balls
Tofu
High in protein and softens the heat
View nutrition info →Fried tofu
Hearty and adds a satisfying richness
Tofu skin (yuba)
Delicate soy protein sheets — high protein, low calorie
View nutrition info →
Bok choy
A classic leafy green
View nutrition info →
Napa cabbage
Great for adding bulk
View nutrition info →
Wood ear mushrooms
The go-to for a satisfying crunch
View nutrition info →
Enoki mushrooms
Add depth to the broth
View nutrition info →
Bean sprouts
Crisp texture and extra volume
View nutrition info →Glass Noodle Alternatives
Low-carb & diet-friendly picks
Wheat noodles / knife-cut noodles (optional)
Diet perspectiveAdditional noodle options offered at select locations
Available at: Varies by location
Soup Variations
Transform the flavor of your bowl
Chuka-bo Malatang broth (signature)
The broth recipe from the 13-million-serving hit cup noodle "Chuka-bo Malatang," adapted for the restaurant. Rich, deeply flavored, with that satisfying numbing kick — the real-life version fans have been waiting to try
Pairs well with: Levels 1–3
Recommended Combos
With calories — great starting point
Spice 2level
Calories not disclosed
Level 2 × Classic (the cup noodle fan pick)
- Toppings
- Lamb・Wood ear mushrooms・Bok choy・Tofu skin
- Arrangement
- Chuka-bo Malatang broth (signature)
Experience the 13-million-serving hit cup noodle in real life. Medium heat lets you savor every layer of the rich, numbing broth
Spice 0level
Calories not disclosed
Level 0 × Health-conscious (the ISDG brand experience)
- Toppings
- Chicken・Tofu・Tofu skin・Bok choy
- Arrangement
- Chuka-bo Malatang broth (signature)
A light, wholesome bowl that reflects the health-food roots of the ISDG brand. No heat — just clean flavor and low calories
Spice 1level
Calories not disclosed
Level 1 × Seafood (oyster-forward)
- Toppings
- Oysters・Tofu skin・Napa cabbage・Enoki mushrooms
- Arrangement
- Chuka-bo Malatang broth (signature)
Let the individually added oysters (¥150 for 2–3) take center stage, with mild heat bringing out their natural sweetness
Spice 3level
Calories not disclosed
Level 3 × All-out (the spice-lover's repeat order)
- Toppings
- Pork・Lamb・Fish balls・Bean sprouts
- Arrangement
- Chuka-bo Malatang broth (signature)
Hot broth, lamb, and fish balls — a bold, satisfying bowl that only works at the right portion size. For serious spice fans
Sides
Rice, dim sum & desserts
| "Chuka-bo Malatang" cup noodle (takeout reference) The original cup noodle that inspired this chain is also available through the ISDG official online store. Many guests pick one up as a souvenir after dining in | — |
Store-Exclusive Menu
Only available at this location
Kichijoji (Store #1)
- ▸ Inside "NAKAMICHI GARDEN" on Nakamichi-dori, Kichijoji, Musashino, Tokyo
- ▸ Opened February 26, 2026 (the very first location)
- ▸ Hours: Mon–Sun 11:00–22:00, open daily
- ▸ Budget: ¥1,000–¥2,999 per person
- ▸ Gained social media buzz as the real-world version of the "Chuka-bo Malatang" cup noodle
Otsuka, Shimokitazawa, and more (planned openings)
- ▸ Dozens of new locations planned within the year
- ▸ An emerging force in the malatang scene, drawing attention with its aggressive expansion
Locations
Listed on 麻辣タベタイ
FAQ
What is iSDG Malatang, and how is it different from other malatang chains? +
iSDG Malatang is run by ISDG Ishokudogen, a Japanese health-food company. The chain grew out of their hit cup noodle "Chuka-bo Malatang" — 10 million units sold in 16 months, reaching 13 million by February 2026 — and brings that recipe to a sit-down format. It's a unique concept that lets fans of the cup noodle experience the real thing in person.
Where are the stores? How many are there? +
The first location opened on February 26, 2026, inside "NAKAMICHI GARDEN" on Nakamichi-dori in Kichijoji. Dozens more locations are planned for the year, including Otsuka and Shimokitazawa — a fast-growing chain to watch.
How much does it cost? +
The base set (broth + noodles) is ¥620. Toppings are priced by weight at ¥3.1 per gram. Individual add-ons like oysters (¥150 for 2–3 pieces) are also available. A typical meal runs ¥1,000–¥1,999.
What makes the broth special? +
It's the restaurant adaptation of the broth from "Chuka-bo Malatang," the cup noodle that sold 13 million servings. Rich and deeply flavored, with the numbing mala kick fans love — and quality you'd expect from a health-food company.
How many spice levels are there? +
Five levels, from 0 (no spice) to 4 (extra hot). First-timers should start at level 1 or 2; cup noodle fans usually go straight to 2 or 3.
How many topping options are there? +
Over 40 ingredients fill the display case, spanning vegetables, mushrooms, tofu, meat, and seafood. Oysters (¥150 for 2–3 pieces) are available as a special individual add-on.
Can I buy the "Chuka-bo Malatang" cup noodle too? +
In-store availability varies by location, but the cup noodle is sold through the ISDG official online store. It's a popular souvenir for guests leaving the restaurant.
What's a good combination if I'm watching my diet? +
Go for level 0–2 and load up on low-calorie options like bok choy, napa cabbage, tofu skin, tofu, and enoki mushrooms. As a health-food brand, ISDG makes it easy to build a nutritious, balanced bowl.