How long does it take for Concerta 18mg to take effect?

Concerta 18mg typically begins to take effect within 30 to 60 minutes after ingestion. However, its full effects may not be felt until about 1 to 2 hours after taking the medication. The extended-release formulation allows for a gradual release of the active ingredient, methylphenidate, throughout the day, providing symptom relief for up to 12 hours. Individual responses may vary based on factors like metabolism and overall health.