Do I have to buy my Stelo Glucose Biosensor from Oura's website for it to work with my Oura ring?
No, you can purchase your Stelo Glucose Biosensors from Stelo.com or other authorized resellers.
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Where can I order an Oura ring for myself?
You can order Oura Ring directly from their website
Where can I buy Stelo Glucose Biosensor?
At this time, you can buy the Stelo Glucose Biosensor System on stelo.com. Stelo is also available for purchase on Amazon.