Guardian: Oral Care Red & NIR Light Therapy Device | Patent-Pending Dual LEDs for Health & HygieneThe Guardian is the first oral care red light therapy device of its kind, with patent pending technology that implements dual LEDs, both red & near infrared, in your mouth. Why is oral health so important? The oral cavity has the second largest and diverse microbiota after the gut harboring over 700 species of bacteria second only to the gut. The progression of health or regression toward disease is critically influenced by the microbiota. It nurtures