“Koso” means enzyme or ferment in Japanese. Koso drink is a century-old traditional fermented drink made from v...
Reviews
4.8
12 ratings
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Deeply appreciated the Koso Team’s quick response to my request for an early delivery.
C
Carolyn · May 9, 2025
Rewards
Please make rewards use easier that it is now. I have so much points and every time not sure how to redeem..I am loyal customer, and my rewards should be easier to use. Why not redeem them all for a bottle or dollar discount? Automatic would be great too. Thank you