Samsung has developed the Antioxidant Index on Galaxy Watch8, allowing users to measure carotenoid levels from their wrist in just five seconds. This feature converts lab-based nutrition tracking into an accessible tool for everyday use. The technology was created after years of research and miniaturization of lab-grade sensors to a wearable scale.
By scanning the thumb, the watch estimates carotenoid levels that reflect fruit and vegetable intake. Samsung addressed variations in skin tone accuracy and ensured inclusivity through fingertip-based measurements. The feature helps users monitor long-term dietary habits and understand how nutrition, sleep, stress, and activity affect their health.
The Antioxidant Index combines with Galaxy Watch8’s other wellness tools to give a full picture of personal health. This advancement shows how wearable technology can support proactive and preventive healthcare in a simple and measurable way.
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