FDA drops over-the-counter age limit for Plan B One-Step June 20, 2013 | By Amina Khan Plan B One-Step, an emergency contraceptive, was approved by the Food andâ¦
Definition of micronutrient - a chemical element or substance required in trace amounts for the normal growth and development of living organisms. Definition of micronutrient - a chemical element or substance required in trace amounts for the normal growth and development of living organisms. dictionary thesaurus
There are five primary macronutrients: protein, fat, vitamins, minerals and carbohydrate. Macronutrients are defined as a class of chemical compounds which humans consume in the largest quantities (must be above a threshold amount) and which provide humans with the bulk of energy.