摘要
Summary What is already known about this topic?The Chinese Nutrition and Health Surveillance in 2015–2017 reported that among adults aged 18–59 years,the average daily intake was 328.3 mg of calcium,251.8 mg of magnesium,5,681.4 mg of sodium,and 1,474.1 mg of potassium.For adults aged 60 years and above,the corresponding intakes were 333.2 mg,242.5 mg,5,412.1 mg,and 1,392.6 mg per day,respectively.
