time-release
Adjective
Meaning
of or relating to a preparation that gradually releases an active substance (especially a drug) over a period of time
Source: WordNetSynonyms
depot
action
activity
retard
delay
delayed
timing
timer
natural action
slow-releasing
prolonged-release
controlled-release
Examples
Abusers early on learned that by crushing time-release capsules, the full dosage intended for a 12-hour period could be felt all at once.
Quick-release may be more helpful in falling asleep, while time-release may be more helpful in staying asleep, explained the organisation.