Bioavailable refers to the amount of a substance that our bodies can actually use or absorb for its intended purpose. It suggests how accessible and usable a substance is to our body's systems. Full definition
Animal products are also high in micronutrients and micro-minerals such as the more bioavailable form of heme - iron. (completehumanperformance.com)
Modern mothers are wising up and feeding their children nuts, seeds, and greens, for highly bioavailable forms of calcium, and letting their children out in the sun. (greensmoothiegirl.com)
A major source of bioavailable iron in Antarctica is from melting snow and dust deposition. (sciencedaily.com)