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PostPosted: Mon Jul 16, 2012 5:52 pm 
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Joined: Sun Jan 28, 2007 11:07 am
Posts: 31
the best energy drink for me is water + honey + lemon juice and with a little bit of salt.


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Posted: Mon Jul 16, 2012 5:52 pm 


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PostPosted: Tue Jul 17, 2012 6:03 pm 
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Hi, the intestines have 2 transporters for carbohydrate, one for glucose and one for fructose. The glucose transporter can only cope with ~60g / hour glucose. By adding up to 30g fructose (any more and it may cause GI distress) the fructose transporter is utilised allowing upto 90g of carbohydrate to be processed per hour. As well as the advantage of more carbohydrate going to the working muscles, the mixture also improves water uptake compared to glucose alone.

If any more carbohydrate is ingested, there is a risk the transporters won't be able to process it and will therefore remain in the gut. Most of the early studies were performed by Roy Jentjens with his supervisor Asker Jeukendrup at the University of Birmingham, UK and are on http://www.pubmed.com" onclick="window.open(this.href);return false;.

There is no benefit to consuming protein during exercise (see Breen, Tipton and Jeukendrup 2010(?)).

I buy glucose and fructose from the local health store and it is miles cheaper than High 5 etc. Just add your favourite no-added sugar cordial to the mix and off you go.


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PostPosted: Wed Jul 18, 2012 5:35 am 
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Joined: Sun Sep 23, 2007 5:06 am
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Instead of buying the fructose, you can use regular sugar. Half the weight of sugar is fructose, the other is glucose. You can top the rest off with maltodextrin or dextrose to achieve the desired ratio. Beware that maltodextrin and dextrose affect osmolality. Additionally, there are different types of maltodextrin, which will have different molecular weight (the glucose chains vary in length).


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PostPosted: Thu Jul 19, 2012 7:54 am 
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Joined: Fri Apr 13, 2012 10:34 am
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Staminade - one of the few drinks that contain Magnesium. Mg is as important as Sodium and Potassium in the context of electrolyte depletion due to exercise.


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