HUMAN NUTRITION

Detailed explanation-1: -Although fiber is derived from one of the macronutrients, the absence of a deficiency state prevents it from being considered an essential nutrient. Furthermore, there is no Estimated Average Requirement or Recommended Dietary Allowance for fiber as there are for other carbohydrate sources.

Detailed explanation-2: -Except for dietary fiber, dietary carbohydrates are considered nonessential. Every other major class of nutrients contains multiple essential compounds. There are nine essential amino acids, at least two essential fatty acids, and many essential vitamins and minerals. Water and fiber are also essential nutrients.