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Blood Sugar on Garmin Fenix 9 Pro and Apple Watch Ultra 4 with Sugar Sense and FreeStyle Libre 3 Plus
Using the FreeStyle Libre 3 Plus glucose sensor alongside the Garmin Fenix 9 Pro and Apple Watch Ultra 4 via the Sugar Sense Connect IQ app. Setup is fiddly, NFC scanning is unreliable, and Bluetooth range matters more than you'd expect. The experience comes from hands-on testing by the5krunner, an independent endurance sports technology publication.
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