Nutrient-related functional health explores how specific nutrients contribute to the functionality of various bodily systems, including the cardiovascular, immune, and nervous systems. Research in this area examines how nutrients like magnesium, potassium, and vitamin C influence functions such as muscle contraction, immune defense, and neurotransmitter balance. By understanding these relationships, nutrient-related health studies contribute to dietary strategies that enhance functional outcomes, such as improved heart health, better immunity, and enhanced cognitive function. This field supports the development of targeted dietary interventions and supplements that address functional health needs, offering solutions for those with specific health concerns or lifestyle demands. Personalized nutrition approaches, guided by functional health insights, enable individuals to optimize their diets for better performance and disease resilience.