Centers for Disease Control and Prevention. List of foods with calcium. Accessed May 5, 2008.
Institute of Medicine. Dietary reference intakes (DRIs): recommended intakes for individuals, elements. Accessed April 1, 2008.
United States Department of Agriculture. Nutrient data laboratory. Accessed May 6, 2008.
This calculator is for adults and is provided for your information only. It is not a substitute for professional medical advice, and may not represent your true individual medical situation. It does not apply to lactating or pregnant women, or people with certain medical conditions. Do not use this information to make significant changes in your diet, exercise regimen, or other aspects of your lifestyle without consulting your physician or other qualified health care provider. Please contact your physician if you have any questions or concerns.