Crossword clues for the word: MEGADOSE The word MEGADOSE has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for MEGADOSE Showing 1 to 7 of 7 results Clue(s) "Extraordinarily large amount, as of a vitamin" "Huge vitamin intake, e.g." "Ten times the serving of vitamins, say" 1000 milligrams of vitamin C, e.g. It's way above the recommended amount Massive amount of a vitamin Tons of a vitamin, say