Prolonged action drug

特許 係属中 Time release technology (also known as sustained-release [SR], extended-release [ER, XR, XL], controlled-release [CR], and other synonyms) is a mechanism used in pill tablets or capsules to dissolve a drug over time in order to be released slower and steadier into the bloodstream while having the advantage of being taken at less frequent intervals than immediate-release (IR) formulations of the same drug.