Low level light therapy (LLLT) using light from red and near infrared LEDs or Lasers have been reported effective as noninvasive methods for reducing spot fat. A total of 55 subjects were randomly divided into test groups and control groups for abdominal fat reduction clinical trial using red and near infrared LED phototherapy devices. Red and near infrared light with irradiance of 10 mW/cm2 were irradiated over the abdominal area to the test group for 30 minutes followed by 30 minutes of aerobic exercise, 3 times a week for 4 weeks. Control group used sham devices for 30 minutes and followed by 30 minutes of aerobic exercise. It is expected that red and near infrared LED phototherapy combined with aerobic exercise would be effective and safe for abdominal fat reduction without any side effects.
Sungkyoo Lim and Eal-Whan Park, "Spot fat reduction by red and near infrared LED phototherapy," Proc. SPIE 10477, Mechanisms of Photobiomodulation Therapy XIII, 104770B (Presented at SPIE BiOS: January 27, 2018; Published: 8 February 2018); https://doi.org/10.1117/12.2289386.
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