Calcium is an inorganic substance essential for the growth and development of human bones, and it also participates in the excitability of motor nerves. Under the regulation of body fluids, calcium is in a dynamic balance state, constantly being absorbed and excreted, maintaining a constant concentration of plasma calcium ions, which allows for continuous bone growth and the deposition and release of bone calcium.
What are the dietary factors that interfere with calcium absorption?
1. Eating too salty food: The main component of salt is sodium chloride, and high sodium intake can affect calcium absorption.
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2. Drinking large amounts of coffee: Coffee contains caffeine, and excessive caffeine can affect calcium absorption.
3. Too much meat: Meat contains high levels of protein and phosphorus. A moderate amount of protein in the diet helps with calcium absorption, but excessive protein and phosphorus can hinder it.
4. Excessive intake of plant-based foods: Oxalic acid, phytic acid, and dietary fiber in plant-based foods can interfere with calcium absorption.
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