The blue pigments of methylene blue combine with yellow urine to create a green color. Bilirubin is a yellowy substance found ...

Methylene blue is a synthetic compound with a deep blue color that has been used for over a century in various medical, ...

The Cleveland Clinic lists common side effects of methylene blue, including blue urine, nausea, vomiting, skin discoloration, dizziness, and headaches. Some studies also suggest that taking it in ...

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 ...