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🌿 Unlock the ancient Japanese superfood magic—ferment your own health revolution at home!
Kawashimaya Natto Starter Spores Powder is a premium, 100% organic, non-GMO fermentation culture with a powerful 1×10¹⁰ CFU/g Bacillus subtilis concentration. This 3g pack can yield up to 30kg of authentic natto, enriched with probiotics, Vitamin K, and proteins. Designed for both beginners and professionals, it includes detailed English instructions and a resealable pouch to maintain freshness, making homemade natto easy, efficient, and reliable.

















| ASIN | B09325M42X |
| Best Sellers Rank | #35,930 in Health ( See Top 100 in Health ) #134 in Fruits Extract Supplements |
| Brand | KAWASHIMAYA |
| Brand Name | KAWASHIMAYA |
| Customer Reviews | 4.4 out of 5 stars 274 Reviews |
| Item Package Weight | 0.02 Kilograms |
| Item Weight | 10 Grams |
| Item weight | 10 Grams |
| Manufacturer | KAWASHIMAYA |
| Number of Pieces | 1 |
| Package weight | 0.02 Kilograms |
| Size | 0.11 Ounce (Pack of 1) |
| Specialty | Organic |
| Unit Count | 3.0 Grams |
| Unit count | 3.0 Grams |
B**I
Not a lot for the cost, but I love Natto and want to make it myself.
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.
A**K
Highly recommend
Very authentic results; potent fermentation that is easily activated and produces mild, pleasant flavour
L**G
Natto buonissimo
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.
R**T
Il me restera a confectionner un Nato Japonais directement chez moi , juste Wowww
Reçu comme promis
L**1
Excellent quality.
Would buy again.
Trustpilot
2 days ago
3 weeks ago