FIR (far infrared rays) are a form of light energy emitted by the sun that is felt as heat. Most of the sun's energy comes in the form of infrared rays, which are essential for living things. FIR rays penetrate the skin and transform to heat energy, causing blood vessels to dilate and promoting better circulation. This allows cells to receive more oxygen and nutrients, increasing metabolic rates and enabling the body's natural healing abilities. FIR therapy removes toxins from the body and induces it to produce nitric oxide, which relaxes muscles, reduces stress, and has various other benefits like supporting weight loss, fitness, anti-aging, detoxification and skin improvement. Regular FIR use can help reduce health issues and boost immunity.