Crossword clues for the word: EDTA The word EDTA has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for EDTA Showing 1 to 4 of 4 results Clue(s) "Substance used as an antioxidant, in some alternative medicines" Acid used in chemical analysis: Abbr. Chelation-therapy compound Food preserv.