---
product_id: 708905349
title: "Natto Starter Spores Powder 0.1 oz (3g), Can make up to 10-30kg Natto, 100% Made From Organic Soybean Extract, Made in Japan"
brand: "kawashimaya"
price: "A$54"
currency: AUD
in_stock: true
reviews_count: 5
category: "Kawashimaya"
url: https://www.desertcart.com.au/products/708905349-natto-starter-spores-powder-0-1-oz-3g-can-make
store_origin: AU
region: Australia
---

# High Fermentation Power (1×10¹⁰ CFU/g) 100% Organic Soybean Extract Makes 10-30kg Natto from 3g Natto Starter Spores Powder 0.1 oz (3g), Can make up to 10-30kg Natto, 100% Made From Organic Soybean Extract, Made in Japan

**Brand:** kawashimaya
**Price:** A$54
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock the ancient Japanese superfood magic—make your own probiotic powerhouse at home!

## Quick Answers

- **What is this?** Natto Starter Spores Powder 0.1 oz (3g), Can make up to 10-30kg Natto, 100% Made From Organic Soybean Extract, Made in Japan by kawashimaya
- **How much does it cost?** A$54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/708905349-natto-starter-spores-powder-0-1-oz-3g-can-make)

## Best For

- kawashimaya enthusiasts

## Why This Product

- Trusted kawashimaya brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **User-Friendly Kit:** Includes measuring spoon, clear English instructions, and how-to video for flawless natto crafting.
- • **Pure Organic Power:** Harness the strength of 100% organic soybean extract for authentic natto every time.
- • **Freshness Locked In:** Resealable pouch with zip lock keeps your starter spores potent and ready for your next batch.
- • **Batch-Making Efficiency:** Just 3g of starter powder yields up to 30kg of nutrient-dense natto—perfect for home chefs and pros alike.
- • **Fermentation on Steroids:** Ultra-potent Bacillus subtilis culture ensures rapid, reliable fermentation with probiotic punch.

## Overview

Kawashimaya Natto Starter Spores Powder is a premium, 100% organic soybean extract culture with a potent 1×10¹⁰ CFU/g Bacillus subtilis count. This 3g pack can ferment up to 10-30kg of natto, delivering rich probiotics, Vitamin K, and proteins. Designed for both beginners and professionals, it includes a measuring spoon, detailed English instructions, and video guidance. Packaged in a resealable pouch to maintain freshness, it’s your gateway to crafting authentic Japanese superfood natto with confidence.

## Description

Natto Starter Spores Powder - Extracted from Organic Soybeans, 100% Purely Cultured Natto Bacteria for making natto (Bacillus subtilis natto：1x10^10 CFU/g). Made from non-GMO organic soybean extract. Natto starter culture by Kawashimaya is easy to use even for first-timers who want to make delicious natto at home because it has a strong fermentation culture ability. This 3g (0.1oz) package can make up to 10-30kg (22-66 lbs) of natto. For first-timers, let's use more natto starters as a guide (2x or 3x). The more natto starter used can increase the possibility of success. Be sure to sanitize the tools before making natto. What is Natto? The Japanese superfood made from fermented soybeans. It has a unique flavor and sticky strings. Delicious to enjoy with rice, soups, and noodle dishes for everyday consumption. Rich in raw probiotics, proteins, Vitamin K, dietary fibers, isoflavones, which are good for your health and beauty. English instruction about How to Make Natto will be sent by email. Store the natto starter in a refrigerator (cold and dark place) with low humidity. Immediately use after opening.

Review: I am new to making my own Natto, I made two batches with this sachet, one was successful and the second wasn't. I have no idea why but I assume it was my process otherwise I wouldn't have managed to get a good batch first. I am waiting for it to become available to buy again so I can have another go, as I really love natto and knowing how fantastically healthy it is for you, I want to keep producing it.
Review: Finalmente ho trovato uno starter molto buono e che funziona. Il fatto che sia poi prodotto in Giappone aumenta la sua considerazione. Nella confezione non è specificato la quantità per soya. Probabilmente in Giappone variano a secondo del prodotto che vogliono ottenere. Io uso 1 gr per 1 kg di soya cotta. Di solito ne preparo 400 gr che è già tanto. Ne mangio 50/ 100 gr al giorno.

## Features

- ORGANIC NATTO STARTER: Purely cultured Bacillus Subtilis Natto made from 100% organic soybean extract. Use to make delicious Natto, a superfood rich in probiotics, Vitamin K, proteins, etc
- EFFICIENT & EASY TO USE: 3g (0.1oz) package is enought to make up to 10-30kg (22-66 lbs) of natto. It has a strong fermentative power compared to other starters (1×10
- 10 CFU/g). Suitable for making high-quality natto professionally or homemade
- SPOON & ENGLISH INSTRUCTIONS INCLUDED: How to Make Natto instructions will be emailed. We also display the how-to video on the product page. The measurement spoon is back and will attached to the product
- RESEALABLE PACKAGING: Comes in pouch packaging with a zip lock for easy storage. Please keep it at a low temperature or in the refrigerator before and after opening
- MAKE NATTO EASILY, OR WE'LL REFUND YOU: Please message us for assistance if you have difficulty making natto using this product. 100% refundable because we support your successful natto-making journey

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09325M42X |
| ASIN  | B09325M42X |
| Brand Name | KAWASHIMAYA |
| Customer Reviews | 4.5 4.5 out of 5 stars (229) |
| Customer reviews | 4.5 4.5 out of 5 stars (229) |
| Item Package Weight | 0.02 Kilograms |
| Item Weight | 3 Grams |
| Manufacturer | KAWASHIMAYA |
| Manufacturer  | KAWASHIMAYA |
| Number of Pieces | 1 |
| Package Dimensions  | 25 x 15.9 x 0.7 cm; 3 g |
| Size | 0.11 Ounce (Pack of 1) |
| Specialty | Organic |
| Unit Count | 3.0 Grams |

## Product Details

- **Brand:** KAWASHIMAYA
- **Item weight:** 3 Grams
- **Package weight:** 0.02 Kilograms
- **Specialty:** Organic
- **Unit count:** 3.0 Grams

## Images

![Natto Starter Spores Powder 0.1 oz (3g), Can make up to 10-30kg Natto, 100% Made From Organic Soybean Extract, Made in Japan - Image 1](https://m.media-amazon.com/images/I/61pYSSZM+2L.jpg)

## Questions & Answers

**Q: Can you drink natto starter as a supplement?**
A: Please do not drink it because it is a natto starter specially made for natto making.

**Q: Can you use natto as a starter?**
A: Store-brought natto has a weaker bacteria power than natto starter. Please use this natto starter with higher bacteria power and quality. A small package goes a long way.

**Q: Why is my natto doesn’t have the sticky string?**
A: Maybe the fermentation process did not go well. Ferment it for about 12 more hours.

**Q: Why does my natto smell like ammonia?**
A: Let it sit in the refrigerator overnight after the warming process. Fermentation will stop, and the odor of ammonia can be alleviated.

**Q: Is it okay to eat natto everyday?**
A: Natto is high in protein, fiber, minerals, Vitamin K, Vitamin C, etc. Please eat one serving of natto (150g/5.3oz) per day to get its nutrition and health benefits.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***I on 7 January 2026*

I am new to making my own Natto, I made two batches with this sachet, one was successful and the second wasn't. I have no idea why but I assume it was my process otherwise I wouldn't have managed to get a good batch first. I am waiting for it to become available to buy again so I can have another go, as I really love natto and knowing how fantastically healthy it is for you, I want to keep producing it.

### ⭐⭐⭐⭐⭐ Review
*by L***G on 16 June 2025*

Finalmente ho trovato uno starter molto buono e che funziona. Il fatto che sia poi prodotto in Giappone aumenta la sua considerazione. Nella confezione non è specificato la quantità per soya. Probabilmente in Giappone variano a secondo del prodotto che vogliono ottenere. Io uso 1 gr per 1 kg di soya cotta. Di solito ne preparo 400 gr che è già tanto. Ne mangio 50/ 100 gr al giorno.

### ⭐⭐⭐⭐⭐ Review
*by M***H on 21 August 2024*

I have made natto from store bought natto, decided to try making it from the starter. My first batch worked so far, natto seems to be pretty good. I am keeping the starter in the freezer until I do my next batch. Here's how I made it in Instant Pot. 1. Soaked the soybeans overnight. 2. Cooked it in Instant Pot on Beans setting for 45 min. (Or High Pressure for 45 min). 3. Strained the water out. 4. While beans are still warm, added the starter and mixed. (I got too excited and added 3 scoops, but one scoop would have been sufficient). 5. Set it on 'Yogurt' setting for 24 hours. Yogurt is 8 hours by default, so adjusted the time to 24 hours. I usually let the natto stay in the fridge overnight after making it. It can stay in the fridge for a few weeks. No issues with the starter, hopefully it will keep working since i'm keeping it in the freezer. It needs to be added to the beans while they are still hot to get activated. Adding it to the cold beans will not activate it. update after 6 months of purchasing. I kept the starter in the freezer, and just made another successful batch of natto, the starter is still alive! The key to activate it is to add it to the soybeans while they are still hot, right after draining them. It does look like a tiny amount, but it's plenty to produce a great natto batch.

## Frequently Bought Together

- Kawashimaya Natto Starter Spores Powder 0.1 oz (3g), Can make up to 10-30kg Natto, Made From Organic Soybean Extract
- Soymerica Non-GMO Soybeans - 7 Lbs. Identity Preserved (IP). Great for Soy Milk and Tofu. 100% Product of USA. Non-GMO Project Verified
- Japanese Natto Starter Spores (Nattomoto) - 3g (enough to make 30kg of natto). 100% Organic Soybean Extract. 100% Product of Japan

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-13*