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RESEARCH PRODUCT

Absorption of Drugs after Oral Administration

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After oral administration, drugs must be absorbed through the gastrointestinal tract to achieve the systemic circulation and exert their pharmacological effects. The successful formulation of an optimized oral drug delivery system requires a detailed consideration and a good understanding of the intestinal absorption process, its possibilities and limitations. This article gives an overview and update on the concepts, possibilities, and limitations of drug absorption after oral administration. Keywords: oral administration; drug absorption; oral drug delivery system; gastrointestinal tract; intestinal absorption