Coming later 2021, Samsung will officially become a competitor of Dexcom. Rumors have it that the new Samsung Smartwatch 4 will use raman spectroscopy to analyze blood glucose levels without the need to draw blood. This is done by delivering excitation light and recapturing the distributed luminscence through optical fibers where its spectra is then analyzed and glucose levels reported by way of the watches UI.



The Apple Watch has some catching up to do and a filed patent suggests they are trying. Click here to learn more about Samsung’s BGs without needles.



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