nonmedication
nondrug
nonchemical
nonstimulant
noninhibitor
nonintoxicant
nonantibiotic
nonsynthetic
nonpharmaceutical
nonpharmacological
noncontaminant
nonester
over-the-counter drug
nonproprietary
nonbiodegradable
atoxicogenic
atoxigenic
over-the-counter medicine
nonvitamin
noncarcinogen
bioinorganic
soft drug
nonsedative
nonsubstance
succedaneum
nonacid
placebo
nonmedicinal
unmedicinal
nonalkaloid
nonsteroid
nonherbicide
unmedically
nontoxic
nonototoxic
nonabrasive
noncarotenoid
medicament
nonpollutant
nonbiological
snake oil
nonglucocorticoid
nonplacebo
nonself
nonresin
nonnarcotic
nonflammable
alleviative
nonopioid
nonessential