Which of the Following Compounds Can Give Urine a Reddish

Question

Which of the following compounds can give urine a reddish color?
A) hydrogen ions
B) nitrite
C) glucose
D) porphyrin

Accepted Answer

Porphyrin is a pigment that can give urine a reddish or brownish color, particularly in cases of porphyria or liver disease. Hydrogen ions, nitrite, and glucose do not typically cause urine to turn reddish.