<Li> Liberation--How is the API disintegrated (for solid oral forms (breaking down into smaller particles)), dispersed, or dissolved from the medication? </Li> <Li> Absorption--How is the API absorbed (through the skin, the intestine, the oral mucosa)? </Li> <Li> Distribution--How does the API spread through the organism? </Li> <Li> Metabolism--Is the API converted chemically inside the body, and into which substances . Are these active (as well)? Could they be toxic? </Li>

Study of the nature uses and effects of drugs for medical purposes