Red vs. Near-Infrared vs. Pulse Frequency: How Red Light Therapy Actually Works (Part 2 of 2)

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In Part 1, John Graham Harper shared how skepticism turned into a company after red light therapy healed a knee injury that had plagued him for years. In Part 2 of this Your Health Reclaimed conversation, Dr. Brad and John go deep into the actual science — the wavelengths, the devices, and the clinical protocols behind Lumaflex.

John breaks down exactly how his devices work: red light at 630 nanometers penetrates roughly an inch into the body, while near-infrared light at 850 nanometers reaches about four inches deep — meaning the same device can address surface-level inflammation or deeper…