Robert F. Kennedy Jr. is going viral on social media after he was caught on camera adding a mysterious blue liquid to his ...

Menstrual product ads long hid blood (using blue fluid), but recent campaigns globally and in India are proudly showing red ...

Naturally, internet sleuths are on the case. Kennedy hasn’t confirmed what the liquid was, but many are speculating that it’s methylene blue, which one user called “one of the best-kept ...

The latest wellness hack to be attached to RFK Jr. is methylene blue, a Smurf-colored liquid embraced by biohackers for its ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. A viral video that appears to show Robert F.

Kennedy Jr. adding a blue liquid to his drinking water has led to speculation that he was using the compound methylene blue. Despite claims on social media, there’s no solid evidence that ...

A video of Robert F. Kennedy Jr. (RFK Jr.) dropping blue liquid into a glass of water while on a flight went viral across social media. The footage, posted to platforms such as X and TikTok ...

But as a medical treatment, it’s dissolved in water to make a blue liquid solution you get as an injection. Methylene blue has been around since it was invented in the 19th century by a German ...

Marni Rose McFall is a Newsweek reporter based in London, U.K. Her focus is on internet trends, U.S. politics and popular culture. She has covered fashion, culture, art and music extensively.