megavitamin en · ADJ
Etymology
From mega- + vitamin.
Meanings
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(not-comparable) Involving megadoses of vitamins.
With problems ranging from mild unmedicated depression to schizophrenia treated with an unorthodox megavitamin technique, these writers also focus on trapping the words — and all agree that the sick brain often spells catastrophe for the creative mind.
2008 April 29, Abigail Zuger, M.D., “Quieting the Demons and Giving Art a Voice”, in New York Times: