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 ...

The internet is abuzz with tributes to a liquid chemical called methylene blue that is being sold as a health supplement. Over the past fiv Tuesday, 02 January 2024 12:17 GMT ...

Today, methylene blue is approved by the U.S. Food and Drug Administration to treat methemoglobinemia, which is a rare disease that limits the oxygen-carrying capacity of our blood cells, she says.

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 ...

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.

Methylene blue may help mitochondria generate energy for cells to use. For these reasons, researchers are studying methylene blue’s effect on the brain. ADVERTISEMENT ...

Credit: Getty Images Methylene blue, a vibrantly colored chemical, was originally created for use as a fabric dye. The internet is abuzz with tributes to a liquid chemical called methylene blue ...

In people with a rare genetic deficiency of an enzyme called G6PD, methylene blue can cause a dangerous condition in which red blood cells break down too quickly.

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 ...

Methylene blue can enter the brain by crossing the protective tissue barrier that surrounds it. Researchers have also found that the chemical can protect and support mitochondria, cell structures that ...