Answer:
The correct answer is - bioavailability.
Explanation:
Bio availability is the amount or degree or rate at a particular drug or nutrition is absorbed by the circulatory system of the body, when introduced to the body. The bioavailablity of the vitamins depends on the that is present amount of the vitamin, efficiency of the absorption and digestion. It is ability to the absorbed and ready to use of the amount of the vitamin and minerals.
Thus, the correct answer is - bioavailablity.