Chemical kick-starters (7)
I believe the answer is:
enzymes
(Other definitions for enzymes that I've seen before include "Complex proteins produced by living cells" , "Biological catalysts" , "Bodily catalysts" .)
I've seen this clue in The New York 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.