Factors affecting mineral bioavailability

Larry L. Berger, Ph.D.

Salt Institute

Salt and Trace Minerals newsletter

Spring 1990 (Vol. 22, No. 2)

Modern animal nutritionists understand the necessity of knowing the approximate bioavailability of fed nutrients, the portion that is absorbed and used by tissues to perform biological functions. It includes both absorption and utilization. Bioavailability is not static. It varies by species, physiologic state, chemical form, solubility, chelates and dietary factors. This article is a checklist for producers.