Researched and written by Keith Bishop, Clinical Nutritionist, Cancer Coach, Author, and Retired Pharmacist

Introduction: What is Red Light Therapy?

Red light therapy (RLT), also known as Photobiomodulation (PBM), is a non-invasive treatment that uses low-wavelength red light or near-infrared light to stimulate cellular function. It’s gaining traction for its potential to support skin health, reduce inflammation, and promote tissue repair.

RLT targets the mitochondria, the energy-producing centers of cells. When exposed to specific wavelengths (typically 600–850 nm), mitochondria absorb the light, stimulate mitochondrial cytochrome c oxidase, and produce more ATP (adenosine triphosphate)—the energy currency of the cell. This boost in cellular energy helps enhance healing, reduce oxidative stress, and decrease inflammation.[i]

Red Light Therapy and Other Health Issues

Beyond its cosmetic applications, RLT has been studied for its effects on several health issues, including:

• S...