Kawashimaya Natto Starter Powder 3g – Ferment 10-30kg of Homemade Natto (0.1oz)

Overview

Kawashimaya Natto Starter Powder is a pure Bacillus subtilis natto culture derived from soybean extract. It is designed to help you ferment soybeans into natto—an everyday Japanese staple known for its distinct aroma, creamy texture, and rich protein profile.

The 3g sachet delivers high fermentative power and can support batch sizes from roughly 10 to 30 kilograms, making it suitable for home cooks testing natto or for light commercial use.

What you get

• Pure Bacillus Subtilis Natto culture from soybean extract for authentic fermentation
• High potency: 1×10^10 CFU/g to drive consistent fermentation
• Make up to 10-30 kg of natto per purchase, depending on batch size
• Instruction and spoon included; detailed "How to Make Natto" guidance delivered by email with a visual video on the product page
• Resealable pouch for safe storage; refrigeration recommended both before and after opening
• Support if you encounter any hurdle in natto making; 100% refund after assistance is provided

How to use

Follow the included instructions to prepare soybeans, cool them to an appropriate temperature, and mix in the starter. A video on the product page helps you visualize each step, and the measurement spoon ensures accurate dosing.

Why choose Kawashimaya

• Convenient packaging that stays powerfully active and easy to store
• Flexible enough for kitchen-scale experiments or small business operations
• Notable nutrients commonly associated with natto, including probiotics, Vitamin K, and protein, depending on your batch

Storage and care

Store in a cool place or refrigerator after delivery; keep the pouch sealed when not in use to maintain potency.

Customer support

If you encounter any difficulties, reach out for personalized assistance. We aim to help you succeed in your natto-making journey, with a refund option available after we assist you.