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 ...

Claims about methylene blue are alluring, and it’s easy to buy into its promise. But so far, evidence supporting its health benefits is scant, and there are some serious risks to using the ...

Health influencers – perhaps including Health Secretary RFK Jr. – are promoting the chemical as an elixir that improves memory and focus. But evidence for these claims is thin.

TikTok's latest health trend has creators drinking methylene blue to boost their brain function. Our medical experts break ...

In February 2025, shortly before he was confirmed as Health and Human Services Secretary Robert F. Kennedy Jr. appeared in a video squirting a blue liquid widely presumed to be methylene blue into ...

Over the past five or 10 years, methylene blue has come to be touted online as a so-called nootropic agent – a substance that enhances cognitive function. Vendors claim that it amps up brain ...

For example, researchers have found that methylene blue may improve learning, boost memory and protect brain cells in rats with a condition that mimics Alzheimer’s disease.

Over the past five or 10 years, methylene blue has come to be touted online as a so-called nootropic agent – a substance that enhances cognitive function. Vendors claim that it amps up brain ...

Over the past five or 10 years, methylene blue has come to be touted online as a so-called nootropic agent – a substance that enhances cognitive function. Vendors claim that it amps up brain ...

Over the past five or 10 years, methylene blue has come to be touted online as a so-called nootropic agent – a substance that enhances cognitive function. Vendors claim that it amps up brain ...