Using Red Light Therapy To Boost Testosterone Levels

Studies say…

John Iovine
5 min readApr 26, 2020

Red Light Therapy (RLT), also known as photobiomodulation is being used in thousands of clinical studies to treat everything from skin conditions to neurodegenerative diseases. It works.

Bright Light

An Italian study in 2016 shows that exposure to bright light increases testosterone levels. A group of 38 men who had a diagnosis of hypoactive sexual desire disorder (low interest in sex). These men were divided into two groups. One group received one-half hour of bright light treatment in the morning. The placebo group received a much less intense light treatment for a half hour. The light device used is similar to the ones that treats Seasonal Affective Disorder (SAD).

After two weeks the untreated group did not report any difference in their sexual desire. The treated group reported a 3-fold increase in sexual satisfaction. The free testosterone level in the placebo group remained unchanged. While the free testosterone in the treated group increased by more than 50%, from 2.1 ng/ml to 3.6 ng/ml. (study)

Sunlight

The ability of sunlight to improve testosterone levels has been known for a long time. (source) How sunlight improves testosterone levels is by stimulating the body’s vitamin D…

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John Iovine

Science writer, thinker, self-experimenter, focusing on personal development and health — www.john-iovine.com