Buyer Beware: FDA Issues Warnings Against “Smart” Wearables that Claim to Measure Blood Sugar

Woman using smart watch during training. Heart monitor beats with wristwatch. Smart watch or future data on healthcare.

Smartwatches and rings that claim to measure blood sugar levels for medical purposes without piercing the skin could be dangerous and should be avoided, the U.S. Food and Drug Administration warned Wednesday.

The caution applies to any watch or ring, regardless of brand, that claims to measure blood glucose levels in a non-invasive way, the agency said. The FDA said it has not authorized any such device.

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