Born as a coal-tar dye, reborn as a “magic bullet,” methylene blue has taken an improbable journey from textile vats to today ...

Add Yahoo as a preferred source to see more of our stories on Google. This vibrantly colored chemical was originally created for use as a fabric dye. Kittisak Kaewchalun via iStock/Getty Images Plus ...

Add Yahoo as a preferred source to see more of our stories on Google. A solution of methylene blue in an erlenmeyer flask. The trending dye was invented by German chemist Heinrich Caro in 1876.

The internet is abuzz with tributes to a liquid chemical called methylene blue that is being sold as a health supplement. Over the past five or 10 years, methylene blue has come to be touted online as ...

Wellness enthusiasts seeking to hack their way to health and longevity have a new favorite remedy — one that stains their tongues blue. Methylene blue has been around since the 1870s when it was used ...

The internet is abuzz with tributes to a liquid chemical called methylene blue that is being sold as a health supplement. Over the past five or 10 years, methylene blue has come to be touted online as ...

This vibrantly colored chemical was originally created for use as a fabric dye. Kittisak Kaewchalun via iStock/Getty Images Plus The internet is abuzz with tributes to a liquid chemical called ...