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Old 02-27-2008, 11:56 AM
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mrsD mrsD is offline
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Join Date: Aug 2006
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Quote:
Originally Posted by Chemar View Post
Hi mrsD

just piping in here as I pointed Jasminsky here from another forum....

as it appears that kids with tics need extra magnesium, the main issue many parents face is
a.which is the best form of magnesium to supplement with
and
b. should it be given with calcium

because taurine has also been found to help with tics, many successfuly use magnesium taurate, but that isnt always readily found, and some prefer to give the magnesium and taurine separately, but often come up against the decision again on which form of magnesium, as most supplemental forms seem to be mag oxide, which i understand is poorly absorbed

also
the adding of calcium is another grey area for many of us

BonnieG once posted on BT that it should always be cal:mag in 2:1 ratio

but some literature suggests calcium actually interferes with magnesium absorption

soooo
can you shed any light on this for us pleez
One can always give taurine separately...
It is confusing and hard to get the supplement makers to put on their labels what the elemental mineral content really is. That Cardiovascular Product is small..and says 125mg... and I suspect it is only about 15% mag. for example.
Most chelates with magnesium are HUGE pills... so since we cannot see what people choose, I tend to be very conservative when small children are concerned.

I've read this claim about absorption. Both calcium and magnesium in foods require acidic environment for absorption. But in supplement form, many of the types are antacids..so when supplements are given time of administration is suggested between meals. (I personally don't understand this).
This comment seems to me to be the most understandable:
Quote:
Magnesium competes with calcium for binding to the troponin molecule found at regular intervals along actin filaments. Troponin undergoes a conformation change and a shift in position upon calcium binding, and hence allows the binding of actin and myosin filaments that occurs prior to muscle contraction. Because magnesium can compete with calcium for troponin binding, it can inhibit this contraction mechanism. A supplement with calcium and magnesium together is not a problem for magnesium absorption if both minerals are chelated and in a plant-base concentrate. Tests have indicated that this type of formula does not inhibit magnesium absorption.
http://www.springboard4health.com/no...magnesium.html

You see when we eat food... that is when absorption is naturally designed to work. Supplements are artificial, and as such, are more confusing.
Here is a study showing that long term use of PPI's like Prilosec and Nexium (and other similar ones) leads to hypomagnesia...
http://www.ncbi.nlm.nih.gov/pubmed/1...ubmed_RVDocSum
Low acid prevents normal absorption from food.
Here is a very complex explanation of intestinal absorption of magnesium:
http://64.233.167.104/search?q=cache...lnk&cd=1&gl=us

This is the PDF that shows the graphs more clearly.
http://cnserver0.nkf.med.ualberta.ca...ADK1_4_4-6.PDF

This article shows that increased magnesium (supplement) had no effect on calcium absorption.
http://www.jacn.org/cgi/content/abstract/13/5/485

You can look at many sites, and get confusing answers. I tend to think calcium and magnesium do not affect each other under most circumstances.

This site is confusing:
http://www.acu-cell.com/acn.html
I never really understand this site...you think it sounds good, BUT....????
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"Thanks for this!" says:
Chemar (02-27-2008)