









🌿 Unlock the ancient Japanese superfood magic—make your own probiotic powerhouse today!
KAWASHIMAYA Natto Starter Spores Powder is a premium, 100% organic soybean extract culture from Japan, delivering ultra-high fermentative power (1×10¹⁰ CFU/g) in a compact 3g pack. It enables the production of 10-30kg of nutrient-dense natto, rich in probiotics, Vitamin K, and protein. Designed for both professional and home use, it includes clear English instructions, a measuring spoon, and resealable packaging to ensure freshness and ease of use. Backed by a 100% satisfaction guarantee, it’s the ultimate starter culture for authentic natto fermentation.





| Package Dimensions | 25 x 15.9 x 0.7 cm; 3 g | 
| Units | 3.0 gram | 
| Brand | KAWASHIMAYA | 
| Special Feature | Organic | 
| Manufacturer | KAWASHIMAYA | 
Trustpilot
2 weeks ago
1 day ago