The amount of anything that a body can use. It really is introduced through eating it, breathing it, inserting it, or skin contact. The supply is dependent on the material itself while the body it is becoming introduced to.
level of a substance that becomes readily available (reaches the mark organ or systemic blood supply) to an organism's body for bioactivity when introduced through ingestion, breathing, shot, or skin contact. Rate of bioavailability depends upon elements including the types of the compound (whether fat-soluble or water soluble, as an example) additionally the structure of diet. The capability of a body to soak up lead, including, is improved if the diet is deficient in calcium or metal.