subtherapeutic

[ suhb-ther-uh-pyoo-tik ]
/ ˌsʌb θɛr əˈpyu tɪk /

adjective

indicating a dosage, as of a drug or vitamin, less than the amount required for a therapeutic effect.

Origin of subtherapeutic

Related forms

sub·ther·a·peu·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019