4min chapter

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Everything You've Ever Wanted to Know About Blood Sugar & Glucose Monitoring, But Were Afraid To Ask Or Didn't Realize

Ben Greenfield Life

CHAPTER

How Do You Measure Your CGM?

Wearing a CGM is becoming more and more a symbol of people, like an or a ring or an apple watch. There's no needle that actually stays in the body. That filament that's under the skin is sitting in what's called the interstitial fluid. So not actually measuring blood, not in a blood vessel. It's in the sort of space between cells and the filament is coated with an enzyme called glucose oxidase which creates an electrical signal.

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