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Red Light Therapy (also known as Photobiomodulation) is best known for reducing pain and inflammation—but emerging research reveals it may also support liver health. With over 4.5 million Americans living with chronic liver disease—and tens of millions more affected by fatty liver—many are looking for natural, science-backed solutions. Recent studies show red and near-infrared light may help improve liver enzyme levels, reduce oxidative stress, and even stimulate liver cell regeneration. One clinical trial in older adults with NAFLD found red light therapy paired with lifestyle changes significantly outperformed diet alone. While not a replacement for medical care, RLT could become a valuable tool in proactive liver support. In this post, we explore the best studies, mechanisms, and real-world benefits of using red light for more than just muscle recovery.