Samsung Galaxy Watch: Can Your Wrist Really Track Your Nutrition?
Samsung Galaxy smartwatches utilize specialized LED sensors to estimate the Antioxidant Index by measuring skin carotenoids. While this feature provides a unique glimpse into a user's nutritional health and oxidative stress, it is limited because skin carotenoids represent only a fraction of the body's total antioxidant profile. The technology serves as a wellness indicator rather than a medical-grade diagnostic tool, encouraging users to maintain a diet rich in fruits and vegetables.