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One of the most popular minerals in the news today is calcium, needed for strong bones and teeth. We are told to take increased amounts in our diet as a supplement to prevent osteoporosis and eliminate muscle cramping during menstruation or from over-exercising. ... Magnesium: A Key to Calcium Absorption...
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www.mgwater.com/calmagab.shtml
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Vitamin D works together with PTH on the bone and kidney and is necessary for intestinal absorption of calcium. Vitamin D can either be obtained from the diet or produced in the skin when it is exposed to sunlight.
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www.faqs.org/nutrition/Ca-De/Calcium.html
www.faqs.org/nutrition/Ca-De/Calcium.html
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Vitamin D also is required for calcium absorption. The best source of vitamin D is sunshine for approximately 20 minutes per day, which is not a problem for most people who live in the South. Vitamin D also is found in many other sources and generally is not responsible for poor calcium absorption.
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www.muschealth.com/healthyaging/calcium.htm
www.muschealth.com/healthyaging/calcium.htm
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SAN ANTONIO, TX -- September 23, 2002 -- The formulation of some calcium carbonate supplements significantly interferes with calcium absorption and patients may thus be getting substantially less calcium than might be presumed based on product labeling.
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www.docguide.com/news/content.nsf/news/8525697700573E18...
www.docguide.com/news/content.nsf/news/8525697700573E1885256C3D005CE3F2
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In a randomized study, supplementation for one year continued to increase both calcium absorption and bone mineralization during pubertal growth. ... Inulin-Type Fructans May Enhance Calcium Absorption in Adolescents CME...
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www.medscape.com/viewarticle/510553
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RESULTS: There were no significant differences in appearance calcium absorption among the four groups (55%, 53%, 52% and 52%). Urine calcium is correlated negatively with dietary protein and dietary phosphorus. And no correlation was found between dietary protein and calcium absorption.
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www.medscape.com/medline/abstract/16229272
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There have been many conflicting reports on calcium absorption and bio-availability. You may have heard the frightening statements claiming that the elderly with compromised digestion are only absorbing 2% of their calcium intake.
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www.algaecal.com/calcium-absorption.html
www.algaecal.com/calcium-absorption.html
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Chocolate contains oxalate — a naturally occurring compound in cocoa beans — which can inhibit calcium absorption. ... Researchers believe this may be due to oxalate inhibiting calcium absorption — but it could also be due to the chocolate's sugar content, which may increase calcium excretion.
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www.mayoclinic.com/health/calcium/AN01294
www.mayoclinic.com/health/calcium/AN01294
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