noun
- The degree to which a drug or other substance becomes available to the body's tissues after administration.
Usage: technical; pharmacology
Examples
- The bioavailability of the oral medication was lower than the intravenous form.
- Researchers studied how food affects the bioavailability of the vitamin supplement.
- The drug's bioavailability improved when taken with a meal.
- High bioavailability means the body can absorb and use more of the active ingredient.
- Different formulations of the same drug can have different bioavailability rates.