Methylene blue is suddenly everywhere in wellness circles, praised as a brain booster, longevity aid, and even a cellular “reset.” Originally developed as a medical dye more than a century ago, this ...

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 ...

Taking drops of a medical dye is trending in wellness and biohacking circles. Some influencers claim it boosts longevity and brain health.... What's behind the wellness claims for the synthetic dye ...