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Date Posted: 06:31:43 02/02/04 Mon
Author: J.R.Smith, c.f.t. ISSA
Subject: Branch chain aminos - How they assist in depletion of fatty acids

Date: Saturday, 31 January 2004, at 11:46 a.m.

The more lean muscle you have the more "INTRAmuscular fat" will be drawn into your muscles for energy at rest and during exercise.

The fat of amino acids after it is transported to the liver is highly dependent upon the body's need at that moment. Immediately after exercise, when the muscle is receptive to nutrients and the blood flow to the exercise muscles remain high, a window of opportunity exists to aid muscular gowth and recovery. Unfortunately a protein meal will not put significant levels of amino acids into your blood stream until a couple of hours after you eat it, especially if blood flow to the gastrointestinal tract has been diminished by a hard training or exercise session.

The most reliable way to deliver specific amino acids is to administer the particular amino acids themselves through free form amino acids. The value of free form amino acids is first and foremost is that they do not require digestion. They are free of chemical bonds to other molecules and so more quickly move through the stomach and into the small intenstine where they are rapidly absorbed into the blood stream within 15 minutes. This quick absorption helps prevent catabolism (muscle wasting) as well.

Without sufficient energy the human body as discussed above, has the innate ability to break down muscle tissue for use as an energy source during heavy exercise. This process is known as gluconegenesis, which is the production of glucose from non carbohydrate sources, such as muscle which is protein. The part of the reaction that pertains to our discussion is known as the glucose-alanine cycle. During this cycle BCAA's (leucine, isolueucine, and valine) are stripped from the muscle tissue and parts of them are converted to the amino acid alanine, which is transported to the liver and converted to glucose. Branch chain amino acids are mtabolized directly in the muscle and can be converted into energy to prevent muscle tissue breakdown or catabolism. If you supplement with bcaa's the body does not have to break down muscle tissue to derive extra energy.

The studies on this exact process was conducted at the School of Human Biology, University of Guelph, Ontario, Canada. Of course you will need up to 4 grams of BCAA's before and after exercise to see a significan reduction of muscle breakdown during exercise.

Branch chain amino acids in and of itself is not a fat burning agent. It is prevention only. Most people will see a loss of fat if they don't exercise simply because most people are eating poorly and their body is in a high state of metabolic breadown

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