In the first volume of this two-volume book, Advanced Nutrition: Macronutrients , the needs for the macronutrients were discussed. The absorption, metabolism, excretion, and function of the various sources of energy as well as detailed discussions of the need for water and energy balance were presented. The needs for the micronutrients, as well as explanations of how these nutrients function in the body, were deferred to this, the second volume. While most vitamins function at the metabolic level, the discoveries of how some of the vitamins and minerals work at the genomic level are quite exciting
