With the world’s largest selection of heated natural gemstone therapy mats, HealthyLine has become an industry leader in manufacturing naturally powered heating mats and devices that feature natural gemstones such as obsidian, jade, tourmaline, amethyst, and more. As an FDA registered company, HealthyLine delivers advanced products that combine technologies, such as far-infrared (FIR), pulsed electromagnetic field therapy (PEMF), negative ions, photon light, and magnetic therapy.