Monica Diaz Beltran*
Department of Nutrition and Biochemistry, National University of Colombia, Bogota, Colombia
Received date: December 3, 2025, Manuscript No. IPCTN-24-20149; Editor assigned date: December 5, 2025, PreQC No. IPCTN-24-20149 (PQ); Reviewed date: December 19, 2025, QC No. IPCTN-24-20149; Revised date: December 26, 2025, Manuscript No. IPCTN-24-20149 (R); Published date: January 2, 2025, DOI: 10.36648/ipctn.10.1.80
Citation: Beltran MD (2025) Processes of Nutrient Metabolism and Its Role in Human Health. J Nutraceuticals Food Sci Vol.10 No.1: 80.
Supplement digestion in the human body is a fascinating and complex process that involves the breakdown, absorption, transport and utilization of nutrients derived from our diet. Understanding the intricate pathways of nutrient metabolism is vital for comprehending how our bodies derive energy and maintain optimal functioning. This article explores the complex mechanisms and pathways involved in nutrient metabolism, shedding light on the essential processes that sustain human life.
Nutritional research
Carbohydrates, obtained from sources such as grains, fruits and vegetables, are broken down into glucose during digestion. It undergoes a series of metabolic processes, including glycolysis, the Krebs cycle and oxidative phosphorylation, to produce Adenosine Triphosphate (ATP), the energy currency of cells. This process ensures that the body has a readily available energy supply to fuel its activities. Dietary proteins, derived from sources like meat, dairy and legumes, are broken down into amino acids during digestion. Amino acids are used for various purposes, including the synthesis of new proteins for growth, repair and maintenance of body tissues. During periods of energy deficiency, proteins can also be broken down to provide fuel for energy production. This dynamic aspect of protein metabolism ensures the body can adapt to changing energy needs. Dietary fats, including fatty acids, are broken down into fatty acids and glycerol during digestion. Fatty acids can be utilized as an energy source or stored as triglycerides in adipose tissue for long-term energy reserves. Lipid metabolism involves processes such as beta-oxidation, where fatty acids are broken down to generate ATP and lipogenesis, in which excess glucose or amino acids are converted into fatty acids for storage. This ensures that the body can tap into fat stores for energy when glucose availability is low, providing a sustainable energy source. Vitamins and minerals play essential roles in various metabolic pathways. They act as coenzymes, facilitating enzymatic reactions involved in the digestion and utilization of macronutrients. For example, B vitamins are vital for energy metabolism, while minerals like iron are vital for oxygen transport and energy production. Deficiencies in vitamins and minerals can lead to metabolic disorders and hinder overall health, highlighting the importance of balanced nutrition.
Parasite resistance
Hormones such as insulin and glucagon help regulate blood glucose levels and promote nutrient storage or usage as needed. The hypothalamus in the brain also plays a vital role in appetite regulation, ensuring that energy intake aligns with energy expenditure. This hormonal coordination helps maintain metabolic equilibrium and ensures the body’s energy needs are met. Nutrient metabolism involves the coordination of various organs and systems in the body. The digestive system processes and absorbs nutrients; the liver plays a central role in metabolism and nutrient storage; and the pancreas releases hormones that regulate glucose levels. Additionally, the endocrine system, including the thyroid and adrenal glands, influences metabolism and nutrient utilization. Together, these organs ensure the body can efficiently extract, store and use nutrients to meet its energy demands. Just as organisms, including parasites, can develop drug resistance, understanding their biology, proteins, life cycles and evolution through research is vital for managing diseases and preventing future outbreaks. Parasites, which can enter the human body through contaminated food or water or reside on the skin and hair, affect health in various ways. Research into parasitology also contributes to veterinary practices and enhances animal breeding programs, emphasizing the broader applications of nutritional and metabolic studies. The intricate pathways of nutrient metabolism provide insight into the complex processes that sustain human life. From the breakdown and utilization of carbohydrates, proteins and fats to the involvement of vitamins, minerals and hormonal regulation, nutrient metabolism is a finely tuned system that ensures the body's energy needs are met. Understanding these processes is vital for maintaining optimal health, preventing metabolic disorders and making informed dietary choices. Ongoing research in nutritional biochemistry will continue to uncover the complexities of nutrient metabolism, paving the way for advancements in personalized nutrition and the prevention and treatment of metabolic diseases.