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Methylene blue (ProvayBlue) is a medication doctors use to treat a rare blood condition called methemoglobinemia. Naturally, methylene blue is a solid. But as a medical treatment, it’s dissolved in ...

A vibrantly-hued dye known as methylene blue has a long history of medical uses. And recently, it's getting rave reviews on social media for its reported anti-aging effects and ability to boost energy ...

The trendy supplement was originally developed as a fabric dye—and later used as a malaria treatment. We asked experts if it really has the cognitive benefits touted on social media. A solution of ...