Below you can find the Though this mineral is needed for building bones & teeth megadoses can cause extreme lethargy Jeopardy Words Answer. The answer to Though this mineral is needed for building bones & teeth megadoses can cause extreme lethargy has 7 letters. This clue belongs to the Nutrition category and is part of Jeopardy Word Level 1753. If you scroll near the bottom you will find other clues and answers part of level 1753