Methylene blue, a Victorian-era medicine, is making headlines after a video of RFK Jr. using it went viral. Touted as a cure ...

Longevity enthusiasts are buzzing after reports surfaced that Robert F. Kennedy Jr. may be a fan of methylene blue. President ...

leading some to complain that it was turning their urine blue. However, experts said methylene blue quickly fell out of favour in the second half of the 20th century. ‘It was a popular Victorian ...

In doing this the methylene blue is oxidized to the blue form again and eliminated by the body, turning urine blue. Since the blue color disappears from the skin and appears in the urine at the same ...

Now, the interesting thing about methylene blue is that, if ingested, it can temporarily change a person's urine colour. The effects range from a faint green tint to a bright blue stream. "For the ...