A solution of methylene blue in an erlenmeyer flask. The trending dye was invented by German chemist Heinrich Caro in 1876. Photograph by asikkk, Getty Images If you’ve spotted someone recently with a ...

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 ...

Methylene blue treats methemoglobinemia, a blood condition. Recently, methylene blue supplements have gained attention for their alleged cognitive and aging support benefits, but these uses require ...

Earth Harmony Ultimate Methylene Blue has been referenced in discussions about quality standards within the methylene blue supplement category, based on publicly available company disclosures. As ...