what is a bioavailability study
Hence relative bioavailability is a measure of the fraction (or percentage) of a given drug that is absorbed intact into the systemic circulation from a dosage form relative to a recognized (i.e. clinically proven) standard dosage form of that drug.[end_columns]
bi·o·as·say. n. 1. Determination of the strength or biological activity of a substance, such as a drug, by comparing its effects with those of a standard preparation on a test organism. 2. A test used to determine such strength or activity.tr.v. bi·o·as·sayed, bi·o·as·say·ing, bi·o·as·says. To cause to undergo a bioassay.. (Biochemistry) a method of determining the concentration, activity, or effect of a change to substance by testing its effect on a living organism and comparing this with the activity of an agreed standard. vb. 2. (Biochemistry) (tr) to subject to a bioassay.