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Calcium Carbonate

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View the Evidence:
20 Abstracts with Calcium Carbonate Research

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Pubmed Data : BMJ. 2011;342:d2040. Epub 2011 Apr 19. PMID: 21505219
Study Type : Meta Analysis
Additional Links
Problem Substances : Calcium Carbonate
Adverse Pharmacological Actions : Cardiotoxic
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Article Publish Status : This is a free article. Click here to read the complete article.
Pubmed Data : Nutrients. 2013 Jul ;5(7):2522-9. Epub 2013 Jul 5. PMID: 23857224
Study Type : Meta Analysis
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Problem Substances : Calcium Carbonate
Adverse Pharmacological Actions : Cardiotoxic
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Pubmed Data : Urol Res. 1990;18(3):213-7. PMID: 2204174
Study Type : Meta Analysis
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Problem Substances : Calcium Carbonate
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Pubmed Data : Best Pract Res Clin Endocrinol Metab. 2009 Dec;23(6):781-92. PMID: 19942153
Study Type : Human Study
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Pubmed Data : J Reprod Med. 2004 Mar;49(3):214-7. PMID: 15098893
Study Type : Human Study
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Problem Substances : Calcium Carbonate
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Pubmed Data : N Engl J Med. 2006 Feb 16;354(7):669-83. PMID: 16481635
Study Type : Human Study
Additional Links
Diseases : Kidney Stones
Problem Substances : Calcium Carbonate
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Pubmed Data : Nephrol Dial Transplant. 2000 Jul;15(7):1014-21. PMID: 10862640
Study Type : Human Study
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Problem Substances : Calcium Carbonate
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Pubmed Data : Nephrol Dial Transplant. 1993;8(6):530-4. PMID: 8394534
Study Type : Human Study
Additional Links
Problem Substances : Calcium Carbonate
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Pubmed Data : Medicine (Baltimore). 1995 Mar;74(2):89-96. PMID: 7891547
Study Type : Human Study
Additional Links
Problem Substances : Calcium Carbonate
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Pubmed Data : Endocr Pract. 2005 Jul-Aug;11(4):272-80. PMID: 16006300
Study Type : Human Study
Additional Links
Problem Substances : Calcium Carbonate
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Pubmed Data : Perit Dial Int. 1999 May-Jun;19(3):248-52. PMID: 10433161
Study Type : Human Study
Additional Links
Problem Substances : Calcium Carbonate
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Pubmed Data : Clin Nephrol. 2004 Aug;62(2):104-15. PMID: 15356967
Study Type : Human Study
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Problem Substances : Calcium Carbonate
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Pubmed Data : Nephrol Dial Transplant. 2005 Aug;20(8):1653-61. Epub 2005 Jun 1. PMID: 15930018
Study Type : Human Study
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Diseases : Hemodialysis
Problem Substances : Calcium Carbonate
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Pubmed Data : Ren Fail. 2008;30(10):952-8. PMID: 19016145
Study Type : Human Study
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Problem Substances : Calcium Carbonate
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Pubmed Data : Clin Ther. 2005 Dec;27(12):1885-93. PMID: 16507374
Study Type : Human Study
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Diseases : Hyperuricemia
Problem Substances : Calcium Carbonate
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Pubmed Data : Kidney Int. 2007 Nov;72(10):1255-61. Epub 2007 Sep 5. PMID: 17805238
Study Type : Human Study
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Problem Substances : Calcium Carbonate
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Pubmed Data : Arkh Patol. 1983;45(8):76-81. PMID: 6639399
Study Type : Animal Study
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Problem Substances : Calcium Carbonate
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Pubmed Data : J Am Soc Nephrol. 2002 Sep;13(9):2299-308. PMID: 12191974
Study Type : Animal Study
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Diseases : Uremia
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Pubmed Data : Pediatr Nephrol. 2010 Mar;25(3):385-94. Epub 2009 Nov 7. PMID: 19898877
Study Type : Commentary
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Problem Substances : Calcium Carbonate
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Pubmed Data : Pharm Res. 2008 Dec;25(12):2760-8. Epub 2008 Jun 17. PMID: 18560997
Study Type : In Vitro Study
Additional Links
Problem Substances : Calcium Carbonate

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Calcium Carbonate-Related Blogs

Written by Dr. Rivkah Roth
More on the Calcium Controversy: Research does not distinguish between the calcium leached from bones and teeth in response to inflammation and the calcium from supplement intake.
Written by Sayer Ji, Founder
Taking calcium supplements -- even at low doses -- linked to brain lesions in the first study of its kind.
Written by Sayer Ji, Founder
Osteoporosis is not caused by a lack of limestone, oyster shell or bone meal. Heart attack, however, may be caused by an excess consumption of exactly these "elemental" forms of calcium, according to two high-powered meta-analyses published last year in the British Medical Journal.
Written by Sayer Ji, Founder
New research published this week in the journal Heart has confirmed the findings of two controversial studies on calcium supplementation and heart attack risk published in the British Medical Journal last year, and which found a 24-27% increased risk of heart attack for those who took 500 mg of elemental calcium a day.
Written by Sayer Ji, Founder
Millions take calcium supplements to "protect their bones" completely unaware that this popular ritual is greatly increasing the risk of cardiovascular disease, including heart attack and stroke.

Growing evidence suggests that Calcium Carbonate, which is chalk or limestone, is not a biologically appropriate form of calcium for human metabolism.  The primary justification for ingesting Calcium Carbonate is to "support bones," however, Lancet and the British Medical Journal, recently published the results of two extensive clinical trails which concluded that Calcium plus Vitamin D does nothing to prevent bone loss.  Calcium as found in chelated form, e.g. calcium citrate, calcium bisglycinate, calcium asporatate, or in its natural state as Food, is much more readily absorbed and utilized within the body, and does not have the risk factors associated with inorganic calcium ingestion, i.e. calcification of soft tissue, osteoarthritis, constipation, kidney stones, hypertension and various other side effects of poorly utilized calcium.  

Additional Reading: The Dangers of Calcium Supplementation

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