The Ultimate Guide to Red Light Therapy: How to Use Red and Near-Infrared Light Therapy for Anti-Aging, Fat Loss, Muscle Gain, Performance Enhancement, and Brain Optimization

by Ari Whitten

Power Density: How much irradiance/power does the device deliver—what is the power density in mW/cm2? (To calculate this, you need to know the total wattage and the treatment area of the light.)