Dear Valued Customers and Potential Customers,


We are proud to announce that all of our products are now gluten-free.

The new version doesn't contain barley.

Before After 
 barley, naked wheat

sticky millet, barnyard millet

We were getting quite an amount of requests to make R's KOSO gluten-free from our customers. We are excited to be able to offer that finally!
*We started shipping gluten-free versions this week. You can find out if it's gluten-free or not from the ingredients list on the box.

Thank you for your patience and understanding in this matter.


Let's try GLUTEN-FREE version KOSO!

Koso Postbiotics

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