What's behind the wellness claims for the synthetic dye methylene blue?
Briefly

What's behind the wellness claims for the synthetic dye methylene blue?
"Methylene blue has been around since the 1870s when it was used as a textile dye. Since then it's been prescribed as an antimalarial treatment and an antidote for cyanide poisoning. Today it's medication approved by the U.S. Food and Drug Administration as treatment for methemoglobinemia, a rare blood disorder. But online influencers are promoting it for what they claim are its wellness properties. It's taking off among biohackers, who seek to optimize their health via lifestyle changes."
"Commentators speculated that Robert F. Kennedy Jr. takes methylene blue after a video of the nation's top health official circulated early this year. He can be seen using an eyedropper to mix a cobalt blue liquid into a cup of water. Kennedy never confirmed what he was taking, though the vibrant color and applicator resembles the methylene blue products that are sold by online retailers. And Kennedy's known for taking supplements, and has a track record of embracing debunked or unproven scientific claims."
Methylene blue originated as a textile dye in the 1870s and later served as an antimalarial and cyanide antidote. The U.S. Food and Drug Administration approves methylene blue to treat methemoglobinemia, a rare blood disorder. Methylene blue is increasingly promoted online by biohackers for wellness benefits and has been associated with public figures using similar cobalt blue products. Claims assert that methylene blue improves mitochondrial function, slowing aging, enhancing mood and cognition, and alleviating jetlag. Lab and animal studies suggest methylene blue can improve cellular energy use, reduce inflammation, and protect against neurological damage. Lorne Hofseth cites rodent and worm studies supporting these effects, while human research remains limited.
Read at www.npr.org
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