bioavailable

noun Biochemistry.

1. the extent to which a nutrient or medication can be used by the body.

noun

1. the extent to which a drug or other substance is taken up by a specific tissue or organ after administration; the proportion of the dose of a drug that reaches the systemic circulation intact after administration by a route other than intravenousAlso called: systemic availability

n.

1. The physiological availability of a given amount of a drug, as distinct from its chemical potency.