Preparat.
I think you can use the word without many qualms. I can find it used in English on foreign-based websites, some of them apparently highly-respected scientific organizations:
This
site is the open public library of pharmaceutical preparats.
A resource is created at support of U.S. National Library of Medicine and National Institutes of Health.
Lactic acid bacteria preparats.
Pharmacy info from medical preparats. All info from drugs, pills and capsules.
Medications pharmacy preparats.
The lifespan
and dynamic of degenerative changes appearance under these factors will be
investigated and compared to the effect of well known preparats which are used
for Alzheimer's disease therapy.
The most commonly prescribed
preparats are methadon and similar synthetic substitutes for heroin.
chromosome preparats were prepared from the bone
marrow of the sample by the method of Ford and
Hamerton’s (19) “Colchicine-Hypotonic-Citrate.
Food, preparats and supplements and are not taken under guarantee
Both preparats decreased concentration of MDA
Toxin-excreting
glycoproteins and multiple drug resistance of tumor cells to chemopreparats