dietary calcium and hypertension

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  • an analysis of the third National Health and Nutrition Examination Survey (NHANES III) was designed to investigate the impact of dietary calcium intake on age-related changes in blood pressure and pulse pressure
    • data on 17,030 participants 20 years or older (mean age, 48.8+/-0.2 years; 47% male, 42% Caucasian, and 28% African American) were used
    • other data included demographics, body mass index, blood pressure, and daily dietary calcium
    • analysis
      • after adjustment for demographic and anthropomorphic variables, as well as total energy consumption, higher calcium intake was associated with lower rates of age-related increases of systolic blood pressure and pulse pressure (p<0.001)
    • the study authors concluded
      • if the calcium intake of the general population were to increase to above 1200 mg, the incidence of isolated systolic hypertension in the elderly might be decreased


  1. Hajjar IM et al. Dietary Calcium Lowers the Age-Related Rise in Blood Pressure in the United States: The NHANES III Survey. J Clin Hypertens (2003); 5(2):122-126

Last reviewed 01/2018