Dr. Eva Singletary answers the question: 'What Effect Does Blue Dye Have?' — -- Question: What type of reactions are possible from the blue dye used in sentinel lymph node biopsy? Answer: The ...

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 ...

Methylene blue, a synthetic compound once used to dye fabric, suddenly seems to be everywhere - touted by celebrities and wellness influencers and apparently used by Health Secretary Robert F. Kennedy ...

The U.S. Food and Drug Administration (FDA) announced last week that it had approved a new blue food dye derived from the fruit of the Gardenia plant. The additive is approved for use in sports drinks ...

From cognitive enhancement to mood support and increased energy levels, methylene blue has gained popularity for its potential physiological benefits. Originally developed as a dye, methylene blue has ...

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 ...