Noun that describes how much of an effective ingredient is contained in a dose of homeopathic medicine. An antonym to megadose. If a megadose contains a billion molecules, a negadose contains one molecule. Contrary to certain claims, taking a negadose cannot consist of taking less than nothing.
There is no way that homeopathic remedy can work because the active ingredient has been diluted down to only one molecule, and such a negadose cannot possibly be effective.