Explore the research behind redlight therapy, photobiomodulation (PBM), near-infrared light (NIR), and their potential roles in cancer care—from pain relief to mitochondrial support.

Researched and written by Keith Bishop, Integrative Oncology Educator, Clinical Nutritionist, Cancer Coach, 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 ...