Controlled-release systems are designed to deliver drugs or nutrients at a predetermined rate over a specific period. This technology helps maintain consistent levels of medication in the bloodstream, improving therapeutic effectiveness and reducing side effects. These systems can be found in various forms, including tablets, injections, and implants. The primary goal of controlled-release systems is to enhance patient compliance and treatment outcomes. By releasing active ingredients gradually, these systems minimize the need for frequent dosing. They are commonly used in managing chronic conditions, such as diabetes and hypertension, where stable drug levels are crucial for effective treatment.