Monitoring nutritional requirements is essential for ensuring that individuals receive adequate nutrients for maintaining health and preventing disease. Research in this area involves assessing dietary intake, evaluating biomarkers, and using dietary surveys to track nutrient consumption across different populations. Nutritional requirements vary based on age, gender, activity level, and health status, with specific recommendations provided through Dietary Reference Intakes (DRIs) and guidelines from health organizations. Monitoring helps identify nutrient deficiencies or excesses, which can lead to health problems like anemia, osteoporosis, or cardiovascular diseases. Technological advancements, such as personalized nutrition apps and wearable devices, are increasingly used to help monitor dietary intake in real-time, providing more precise data for researchers and healthcare providers. This ongoing research helps refine public health policies and ensure that nutritional recommendations meet the population’s evolving needs.