| Answer | Crossword Clue |
|---|---|
| prodrug | an inactive chemical substance that becomes an active drug in the body |
| prodrugs | PRODRUG, an inactive chemical substance that becomes an active drug in the body |
| excipient | An inactive substance that serves as the vehicle or medium for a drug or other active substance |
| excipients | An inactive substance that serves as the vehicle or medium for a drug or other active substance |
| bioavailability | The proportion of a drug or other substance that enters the circulation when introduced into the body and so is able to have an active effect |
