Smart Body Analyzer by Withings, $150 Weight alone isn’t a sufficient metric for gauging health. This scale will tell you your body fat percentage and heart rate—and can even detect carbon dioxide. Sync the data to the Withings Health Mate app to create a full health profile. Photo 10 of 10 in Must-Have Products that Improve Well-Being by Alexander George

Must-Have Products that Improve Well-Being

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Smart Body Analyzer by Withings, $150

Weight alone isn’t a sufficient metric for gauging health. This scale will tell you your body fat percentage and heart rate—and can even detect carbon dioxide. Sync the data to the Withings Health Mate app to create a full health profile.