Calcium absorption is the process by which the body takes in and utilizes the mineral calcium from the foods and supplements we consume. Calcium is essential for many bodily functions, including the formation and maintenance of strong bones and teeth, muscle function, nerve transmission, and blood clotting. Research in this area focuses on understanding how the body absorbs calcium, factors that can affect calcium absorption (such as age, gender, and dietary factors), and strategies to optimize calcium absorption for overall health and prevention of conditions like osteoporosis. Some factors that can enhance calcium absorption include vitamin D, sufficient stomach acid, and a balanced diet rich in calcium-rich foods. Conversely, factors that can inhibit calcium absorption include certain medications, high levels of dietary fiber, and excessive intake of caffeine or alcohol. Overall, research in the area of calcium absorption aims to improve our understanding of how the body utilizes this essential mineral and to develop recommendations for maintaining optimal calcium levels for overall health and wellbeing.