Fat

Researched irradiated human fat with 410 nm, 457 nm, 505 nm, 530 nm, 590 nm, and 660 nm low level light. 590 nm “significantly reduced the concentration of lipid droplets” and increased lipid autophagy (broke down fat). In documenting the science of photobiomodulation, I rarely come across a study that finds significant effect at one wavelength, and no effect at nearby wavelengths. That did happen in this study. 590 nm affected fat breakdown and 505 nm did not. The abstract did not mention the other wavelengths tested. Presumably they were also insignificant, so it’s unclear why 505 nm was singled out as ineffective.

Use green light therapy to reduce hip, thigh and abdomen circumference. Subject lost an average of 15.21 cm circumference after 12 sessions of low dose green light.

635-680 nm red light of unknown dose reduced girth at waist by 2.15 cmin men and women over 4 weeks of treatment.