Here are the possible solutions for much feared but not actually known to be harmful asian food additive clue
Answer
Clue
Relevancy
msg
Clue
Much-feared (but not actually known to be harmful) Asian food additive
Asian food additive
Additive in much Chinese food
ptomaineconcourse
Clue
Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig
bigone
Clue
Much-feared earthquake
dipdiprecession
Clue
Much-feared economic situation
thoreau
Clue
"Nothing is so much to be feared as fear" penner
qsrsr
Clue
Song from "The Man Who Knew Too Much" with a title that is actually not a grammatical phrase in any Romance language