Bioavailability Studies Bioavailability can be defined as the rate and extent to which the active ingredient or active moiety is absorbed from a drug product and becomes available at the site of action. Lotus Labs provides a reliable outsourcing partnering for sponsors to conduct a bioavailability studies complying to the regulatory requirements. in Public bookmarkswith bio-availabilitybio-availability-.-studiesbioavailabilitystudiesby 3 users