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> I'm referring to the Apple Watch equipped with a non-invasive glucose sensor.

As someone who has dated someone that is diabetic and now works with someone who is diabetic--someone who likes to sit at the cutting edge of technology and is even using hacked equipment to improve his experience--I don't think we have that technology yet.

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We don’t, the latest commercial technology consists of disposable sensors that require a probe to penetrate the skin. Whoever brings something non-invasive (and reusable) to market will be raking it in whether they’re apple or not.

PKVitality has a sensor array that is pretty much non-invasive: https://www.pkvitality.com/ktrack-glucose/

There's also an alternative using radiofrequency: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4641327/

> PKVitality

That product doesn't exist yet, the video on the home page is 18 months old so it's probably not feasible / accurate.

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