Assertion: testosterone | /r/ObjectUse | used as a bodybuilding drug
Facets:
value: almost always
type: TEMPORAL
value: due to poor oral bioavailability
type: CAUSE
Source sentences:
text: As a bodybuilding drug, testosterone is almost always used as an injectable ester, due to poor oral bioavailability and the impracticality of high dose transdermal or sublingual delivery.