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Topic: Calcium carbonate


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  Linus Pauling Institute at Oregon State University
Although calcium stone formers have been advised to restrict calcium intake in the past, a cross-sectional study of 282 patients with calcium oxalate stones found that dietary salt, as measured by urinary sodium excretion, was the dietary factor most strongly associated with urinary calcium excretion (23).
Until the relationship between calcium and prostate cancer is clarified, it is reasonable for men to consume a total of 1,000 to 1,200 mg/day of calcium (diet and supplements combined), which is the adequate intake level recommended by the Food and Nutrition Board of the Institute of Medicine (3).
These studies were not designed to examine the effect of calcium on obesity or body fat, and their significance was unclear until recent studies in cell culture and animal models indicated that low calcium intakes could result in hormonal and metabolic changes that increase the tendency of fat cells to accumulate fat (46).
lpi.oregonstate.edu /infocenter/minerals/calcium   (5486 words)

  
 Calcium Carbonate
Calcium carbonate has a number of applications besides its natural ones, including as an antacid, lime for farm fertilization, a construction material (marble or cement, for instance), and a base for many pharmaceuticals.
Chalk is composed of either calcium carbonate or of gypsum, a form of calcium carbonate found naturally in caves.
Most caves are calcium carbonate formations, created when water dripped through limestone cracks, dissolving the stone to form weak carbonic acid from the carbonate.
www.iscid.org /encyclopedia/Calcium_Carbonate   (222 words)

  
 NOF Osteoporosis Prevention - Calcium Supplements   (Site not responding. Last check: 2007-10-10)
Calcium is essential for many body functions, including regulation of the heartbeat, conduction of nerve impulses, stimulation of hormone secretions and clotting of blood, as well as for building and maintaining a healthy skeleton.
Calcium is a mineral found in many foods and adequate calcium intake is important because the human body cannot produce calcium.
Calcium, whether from the diet or supplements, is absorbed best by the body when it is taken several times a day in amounts of 500 mg or less, but taking it all at once is better than not taking it at all.
www.nof.org /prevention/calcium_supplements.htm   (909 words)

  
 calcium
Calcium carbonate is the most efficient source of calcium and is the least expensive.
The urine calcium, however, does increase more with calcium citrate, which had led some investigators to think that more calcium was absorbed (Heaney, R. In the only large, randomized, controlled trial comparing calcium carbonate and calcium citrate-maleate the urine calcium was greater in the citrate-malate group.
Calcium citrate has been shown to be more easily absorbed in patients with acholorhidria when fasting, although if taken with citrus-containing breakfast, calcium carbonate was well absorbed.
courses.washington.edu /bonephys/opcalcium.html   (1974 words)

  
 Calcium carbonate - Wikipedia, the free encyclopedia
Calcium carbonate is widely used as an extender in paints, in particular matte emulsion paint where typically 30% by weight of the paint is either chalk or marble.
Fine ground calcium carbonate is an essential ingredient in the microporous film used in babies nappies and some building films as the pores are nucleated around the calcium carbonate particles during the manufacture of the film by biaxial stretching.
Calcium carbonate is known as whiting in ceramics/glazing applications, where it is used as a common ingredient for many glazes in its white powdered form.
en.wikipedia.org /wiki/Calcium_carbonate   (1466 words)

  
 calcium carbonate - Womens Health and Medical Information on MedicineNet.com
Calcium is an important structural component of bone and teeth and also is necessary for the normal function of all muscles (skeletal, heart, and smooth muscles) and nerves as well as the normal clotting of blood.
Calcium carbonate-containing products reduce acidity in the stomach, though there may be a rebound phenomenon which causes a greater than normal amount of acid to be produced after the initial acid-reducing effects of the calcium wear off.
However, excessive intake or absorption of calcium may lead to increased levels of calcium in the blood (hypercalcemia) which may cause nausea, vomiting, decreased appetite, abdominal pain, dry mouth and thirst.
www.medicinenet.com /calcium_carbonate/article.htm   (657 words)

  
 CARE ABOUT YOUR CALCIUM
Calcium is continually deposited into multiplying bone cells, like the cement that holds together the particles of stone and sand in a chunk of concrete.
When calcium levels fall, this hormone stimulates vitamin D to increase absorption of calcium from the intestines and to release calcium from the bone bank until a proper balance is restored.
Calcium carbonate, on the other hand, is 40 percent elemental calcium; 500 milligrams of calcium carbonate would provide 200 milligrams of useable calcium.
www.askdrsears.com /html/4/T040600.asp   (1238 words)

  
 The Calcium Information Resource
The recommended calcium intake for adults is 1,000 to 1,300 milligrams daily, depending upon age, gender and personal circumstances (for example, a woman who is pregnant, breastfeeding or dieting might require more dietary calcium).
Even in the case of prenatal vitamins for pregnant women, the calcium content is typically 200-250mg and that won’t be enough to meet the daily demands during pregnancy for her and her growing baby.
Calcium carbonate has been found to be safe and has been used to supplement daily calcium intake in men and women of all ages up to 2,000 mg per day.
www.calciuminfo.com /about/supplements.aspx   (1262 words)

  
 CALCIUM CARBONATE
Calcium carbonate is probably the most common type of scale found in cooling water systems; it forms an extremely tenacious heat insulating deposit.
It is logical that the deposition of calcium carbonate is found along heat transfer surfaces where cooling water is subjected to the highest temperatures.
Due to problems associated with calcium carbonate scale formation, it is important that the cooling water control parameters be such that the potential for CaCO3 formation is minimized.
www.arvanitakis.com /en/c/Dep_cwt/calcium_carbonate.htm   (214 words)

  
 Dietary Supplement Fact Sheet: Calcium
Calcium is needed for muscle contraction, blood vessel contraction and expansion, the secretion of hormones and enzymes, and sending messages through the nervous system [2].
Supplementation with calcium carbonate is reported to lead to reduced risk of adenomas (nonmalignant tumors) in the colon, a precursor to colon cancer, but it is not known if this will ultimately translate into reduced cancer risk [42].
Calcium citrate malate is a form of calcium used in the fortification of certain juices and is also well absorbed [116].
ods.od.nih.gov /factsheets/calcium.asp   (8085 words)

  
 Patient Education - Drugs - calcium carbonate
Calcium carbonate is a good antacid but it also provides calcium, which is desirable.
Calcium carbonate should not be used with any condition where the blood calcium tends to be high such as an elevated parathyroid condition.
Calcium carbonate is probably the safest antacid, since the baby and mother both need calcium to develop properly and maintain health.
www.gicare.com /pated/calcium_carbonate.htm   (1108 words)

  
 calcium carbonate and risedronate Consumer Drug Information
Calcium carbonate and risedronate is only part of a complete program of treatment that may also include diet changes, exercise, and taking vitamin supplements.
Calcium is a mineral that is needed for many functions of the body, especially bone formation and maintenance.
Calcium carbonate is used to prevent and to treat calcium deficiencies.
www.drugs.com /mtm/calcium_carbonate_and_risedronate.html   (2052 words)

  
 calcium carbonate
Calcium was isolated by Sir Humphrey Davy in 1808, but it was known long before that in its crystalline forms.
When combined as calcium carbonate the element takes the form of limestone, chalk, eggshells, coral, etc. Natural forms of calcium carbonate are generally contaminated with clay and other impurities.
Calcium carbonate is also an important contributor to some geological changes.
www.atomixinc.com /calciumcarbonate.htm   (312 words)

  
 Great Lakes Calcium - Premier Midwest Calcium Carbonate Supplier
Calcium carbonate is by far the most important mineral for compounding with polymers.
Calcium carbonate is the most widely used mineral in paper-making.
Calcium is the single most important mineral needed for plant, soil and animal nutrition by weight and by volume.
www.glcalcium.com /content/datasheets/calciumcarbonite.php   (772 words)

  
 Calcium Citrate vs. Calcium Carbonate
As I wrote in that column, calcium citrate is better absorbed than calcium carbonate but much more expensive.
In the article you sent me from the November, 1999 issue of The Journal of Clinical Pharmacology, Howard J. Heller, MD and his colleagues compared the calcium absorption of Citracal (a calcium citrate formulation) and Os-Cal (a calcium carbonate one) after a single oral dose (500 mg calcium), taken with a meal.
By measuring blood levels of calcium, they demonstrated that calcium citrate is 2.5 times more bioavailable (easier for your body to use) than calcium carbonate.
healthlink.mcw.edu /article/964794298.html   (236 words)

  
 Calcium   (Site not responding. Last check: 2007-10-10)
What you may not know is that calcium is vital to every cell of the body for muscle function, nerve transmission, blood clotting and many other uses.
Although food is the preferred source of calcium, a supplement may be necessary to help you meet your daily calcium needs.
Calcium carbonate, the most popular form, is chewable and is marketed by a number of companies.
www.mckinley.uiuc.edu /Handouts/calcium/calcium.html   (573 words)

  
 calcium carbonate
Calcium carbonate, is one of the commonnest mineral combination to be found on Earth.
It is estimated that th mineral accounts for as much as 14% of the Earth's crust and is formed in many different geological environments.
Other carbonates such as dolomite do not react as easily with these acids as does calcite and this leads to differentiating these somewhat similar minerals more readily.
us.geocities.com /hayayoo/work.htm   (501 words)

  
 Calcium carbonate for food & beverage formulation
Calcium is the most abundant mineral in the body and plays a fundamental role in preserving human health.
Many studies have shown that calcium from calcium carbonate is readily absorbed by the body.
Calcium carbonate does not present any critical hazard to humans or the environment, although it may irritate the skin, eyes and respiratory tract.
www.hubermaterials.com /71.htm   (318 words)

  
 Calcium Lactate, Calcium Citrate, Calcium Gluconate, Calcium Carbonate   (Site not responding. Last check: 2007-10-10)
Calcium excesses in the body are the body's way of telling us that it is not getting the proper calcium in the food and is having to go into its own calcium stores, no matter how meager they may be, to try and satisfy its calcium needs.
However, calcium deficiency is calcium imbalance and that very imbalance is what is causing calcium to become excessive in particular areas or tissues of the body.
Calcium is a natural acid buffer in fruit and vegetables that have a proper quantity of calcium grown into the fruit from a soil that has proper calcium content.
www.advancedideals.org /calcium_faq.html   (6013 words)

  
 calcium carbonate - [Medication]
Calcium can decrease the effects of many other medicines by binding to them or by changing the acidity of the stomach or the urine.
Calcium is necessary for many normal functions of the body, especially bone formation and maintenance.
Calcium can also bind to other minerals (such as phosphate) and aid in their removal from the body.
www.peacehealth.org /kbase/multum/d00425a1.htm   (1061 words)

  
 Coral Calcium Is Just Calcium Carbonate   (Site not responding. Last check: 2007-10-10)
Calcium carbonate is great for acid reflux, because it absorbs acid.
It is the value of this form of calcium, and that validity of the marketers' claims that we must examine.
A 1999 meta-analysis of 15 studies including 184 people found that absorption of Calcium Citrate was 20% higher than that of Calcium Carbonate.
www.youngagain.com /coralcalcium1.html   (823 words)

  
 ETIDRONATE/CALCIUM CARBONATE - ORAL side effects, medical uses, and drug interactions.
USES: This combination medication is used to treat and/or prevent the development of "soft bones", also known as osteoporosis, in women who have already experienced their "change of life" (menopause).
HOW TO USE: You will take the etidronate portion of this medication for the first two weeks, then the calcium portion for the remainder of a 3 month cycle; then the cycle is repeated.
Use of vitamin D is also recommended, as it will aid in calcium absorption into your bloodstream.
www.medicinenet.com /etidronatecalcium_carbonate-oral/article.htm   (367 words)

  
 CALCITE (Calcium Carbonate)
Other carbonates such as dolomite or siderite do not react as easily with these acids as does calcite and this leads to differentiating these somewhat similar minerals more readily.
This is fortuitous for us, as carbon dioxide has been found to be a green house gas and contributes to the so called "green house gas effect".
By pulling carbon dioxide out of the sea water, this biological activity allows more of the carbon dioxide in the air to dissolve in the sea water and thus acts as a carbon dioxide filter for he planet.
mineral.galleries.com /minerals/carbonat/calcite/calcite.htm   (1955 words)

  
 MedlinePlus Drug Information: Calcium Carbonate
Calcium carbonate is a dietary supplement used when the amount of calcium taken in the diet is not enough.
Calcium carbonate also is used as an antacid to relieve heartburn, acid indigestion, and stomach upset.
If you are taking calcium carbonate on a regular schedule, take the missed dose as soon you remember it.
www.nlm.nih.gov /medlineplus/druginfo/medmaster/a601032.html   (592 words)

  
 Calcium Carbonate   (Site not responding. Last check: 2007-10-10)
Calcium carbonate: market research for calcium carbonate and calcium citrate in the U.S. market, including supply and demand, market size and definition, major suppliers and competitors, current and potential buyers in the food and USP categories, profitability of these markets, obstacles to expansion, etc. (BCMU 510, 3 May 2002)
Calcium Carbonate; the two reports with the highest relevancy ratings cost just $3,450 and $3,968.
Changing this search to Calcium Carbonate and Market Share, for articles published since 1999, produced a list of just two articles, when searching in citations and abstracts; expanding the search for this term throughout the full text of all articles produced a list of seven articles.
www.lib.washington.edu /business/tlc/archive/calc.html   (3103 words)

  
 Calcium Carbonate - Products for Calcium Carbonate - Manufacturers,Exporters,Suppliers,Traders,Companies,Factories
Calcium carbonate can be used in plastic, rubber, paper and paint
Calcium carbonate or caco3 is used as additives in many industrie
In the soap manufacture the calcium carbonate is used as element
www.alibaba.com /productsearch/Calcium_Carbonate.html   (630 words)

  
 Consumer Reports Medical Guide - Calcium Carbonate
Calcium is needed by the body for healthy bones, muscles, nervous system, and heart.
Some liquid forms of calcium carbonate must be shaken well before use.
Calcium may decrease the effectiveness of the other medicine.
www.consumerreports.org /mg/drug-reports/calcium-carbonate.htm   (724 words)

  
 ConsumerLab.com - Bone Supplements (Calcium and Vitamin D) review
Calcium and vitamin D are important for strong bones and can help prevent postmenopausal osteoporosis and hip fractures.
calcium and vitamin D supplements, along with our recommendations, you must SUBSCRIBE or LOG IN now.
250 mg (from calcium carbonate, calcium citrate, calcium aspartate)
www.consumerlab.com /results/calcium.asp   (648 words)

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