Calcium is essential for bone health. Moderate coffee consumption is not harmful to the body, but it can interact with calcium by potentially reducing the body's ability to absorb calcium.
Coffee beans naturally contain caffeine. Caffeine is a drug that can prevent the body from absorbing calcium. When caffeine is present in the body, calcium is excreted more easily.
Therefore, the National Osteoporosis Foundation of the United States recommends that we avoid coffee and other caffeinated beverages 30 minutes before eating or taking calcium. It is estimated that for every 150 mg of caffeine, 5 milligrams of calcium are excreted in the urine.
Older adults, especially women, may need to adjust their caffeine intake. Regular coffee drinkers may try to compensate for the loss of calcium by adding milk or calcium to their diet.
If you don't get enough calcium in your diet, your body will start taking it from your teeth and bones. Men and women 50 and younger should get 1,000 mg of calcium, while adults over 50 should increase their daily intake to 1,200 mg.
Source: https://laodong.vn/dinh-duong-am-thuc/tac-dong-khi-uong-ca-phe-den-su-ap-thu-canxi-cua-xuong-khop-1384051.ldo
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