WebHealth: Calcium Research
- A current research briefing, including a list of popular research topics.
- http://www.webhealth.co.uk/research/calcium.asp

Be Wary of Coral Calcium and Robert Barefoot
- Site offers a strong rebuttal to the health and safety claims made by purveyors of coral calcium. Includes references.
- http://www.quackwatch.org/01QuackeryRelatedTopics/DSH/coral.html

Calcium Gluconate
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic3/calciumgluc.htm

Calcium Chloride
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic3/calciumcl.htm

Coral Calcium: Is It Hot or Is It Not?
- An article that gives reasons for the dismissal of hype and marketers' claims that this supplement is a cure-all.
- http://www.bellaonline.net/articles/art4136.asp

Carbonated Water and Calcium
- Dr. Donnica Moore discusses carbonated water and caffeinated beverages' effects on calcium levels in this question and answer format.
- http://www.drdonnica.com/faqs/00005211.htm

The EF-Hand Calcium-Binding Proteins Data Library
- Home of the calcium-binding protein database. Structure determination of calcium-binding proteins and nucleic acid fragments in solution by nuclear magnetic resonance.
- http://structbio.vanderbilt.edu/cabp_database/cabp.html

Calcium Absorption and Estrogen Activity
- Exchange between bone calcium and blood serum calcium, effect of estrogen, chelates, nonchelates, acid/alkaline balance, and a successful clinical study.
- http://www.healingwithnutrition.com/odisease/osteoporosis/calcium_estrogen.html

Calcium for Better Health
- Ohio State University Extension fact sheet providing basic information and guidelines.
- http://ohioline.osu.edu/hyg-fact/5000/5506.html

Caltrate
- Information on this company's calcium supplements.
- http://www.caltrate.ca/

Calcium--Nutritional Health Information
- Overview of calcium including its functions, food sources, and effects on the human body.
- http://www.naturalways.com/calciumResearch.htm

Coral Calcium and the Deep Down Truth
- An article that disputes advertisers' claims about the so-called benefits of this supplement.
- http://www.coralcalcium-info.com/

Calciuminfo.com
- Online calcium resource from the makers of Tums.
- http://www.calciuminfo.com/