Red and near-infrared light therapy (photobiomodulation) is a promising, low-risk therapy being explored for ME/CFS. Discover what recent pilot studies show and how it may support energy, inflammation and symptom management. Can red light therapy support people with ME/CFS? Red and near-infrared light therapy — often called photobiomodulation (PBM) — is becoming increasingly recognised as a gentle, non-invasive therapy that may offer support for people living with Myalgic..