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View compareFrequently Asked Questions
- Q: What is Kawashimaya Natto Starter Spores Powder used for? A: Kawashimaya Natto Starter Spores Powder is used to make natto, a traditional Japanese superfood made from fermented soybeans. It contains purely cultured Bacillus subtilis natto, which helps in the fermentation process, resulting in a nutritious product rich in probiotics, proteins, and Vitamin K.
- Q: How much natto can I make with one package of Kawashimaya Natto Starter? A: One 3g (0.1 oz) package of Kawashimaya Natto Starter can make between 10 to 30 kg (22 to 66 lbs) of natto. For beginners, it's recommended to use more starter for a higher chance of successful fermentation.
- Q: Are there any instructions for using the natto starter? A: Yes, detailed instructions on how to make natto will be emailed to you upon purchase. Additionally, a how-to video is available on the product page to guide you through the process.
- Q: How should I store the natto starter after opening? A: To maintain its efficacy, store the Kawashimaya Natto Starter in a refrigerator, keeping it in a cold and dark place with low humidity. Resealable packaging is provided for easy storage.
- Q: What if I have trouble making natto with this starter? A: If you encounter any difficulties while making natto, please contact us for assistance. We offer a 100% refund guarantee if you are unable to achieve successful fermentation.

