World Health Organization (WHO) data show that deficiency of micronutrients is far more severe. Approximately 1.7 million (2.8%) of deaths worldwide are attributed to micronutrients deficiency caused by lower consumption of fruits and vegetables that is regarded as top 10 selected risk factors for global mortality

According to WHO, iron (Fe), zinc (Zn), vitamin A (beta-carotene), selenium (Se), and iodine (I) are the most prevalent trace element deficiencies in living being. Population affected by their deficiencies showed low productivity, decreased cognition, learning disability among children, lower worker productivity, increased morbidity and mortality rates, impact on immune system, and high health-care costs