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🧪 Unlock the ancient Japanese superfood magic at home—ferment like a pro, impress like a boss!
Kawashimaya Natto Starter Powder is a premium Bacillus Subtilis culture derived from soybean extract, delivering 1×10¹⁰ CFU/g potency in a convenient 3g pack. Designed to ferment 10-30kg of homemade natto, it includes a measuring spoon and detailed instructions with video support. Packaged in a resealable pouch for freshness, it’s ideal for health-conscious millennials seeking to craft authentic probiotic-rich natto with confidence and ease.

















| ASIN | B09325M42X |
| ASIN | B09325M42X |
| Best Sellers Rank | #36,356 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #132 in Flavoring Powders |
| Brand Name | KAWASHIMAYA |
| Container Type | Resealable Pouch |
| Cuisine | Japanese cuisine |
| Customer Reviews | 4.5 4.5 out of 5 stars (265) |
| Item Form | Powder |
| Item Package Weight | 0.02 Kilograms |
| Item Weight | 10 Grams |
| Manufacturer | KAWASHIMAYA |
| Manufacturer | KAWASHIMAYA |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Package Dimensions | 9.84 x 6.26 x 0.28 inches; 0.35 ounces |
| Package Size Name | Single |
| Size | 0.11 Ounce (Pack of 1) |
| Specialty | Low Calorie |
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