Metabolic sugar (7)

I believe the answer is:

glucose

(Other definitions for glucose that I've seen before include "Type of sugar" , "something tasting sweet" , "Simple sugar" , "Sweet substance" , "syrupy stuff" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.