Metabolism It may not seem like the metabolic process of different amino acids matters as long as the end point is muscle tissue. The truth is that the manner in which amino acids are metabolized plays a large role in their functions within the body. The metabolism of BCAAs is different that the metabolic processes of other amino acids. What truly makes the BCAAs special is how they are metabolized. While most amino acids are metabolized in the liver BCAAs are metabolized primarily by muscle. Despite their structural similarities the three branched chain amino acids have different metabolic routes. The breakdown of leucine is accomplished solely through fat pathways. Valine is broken down solely through carbohydrate pathways, and isoleucine through both. The different metabolic pathways of these three amino acids lead to varying requirements for each. BCAAs, unlike most other amino acids, are metabolized in within muscle tissue, allowing them to be oxidized (used as energy) by muscle cells to produce cellular energy in the form of ATP. ATP is the primary source of energy that fuels muscle contraction and allows you to lift weights. The fact that leucine, isoleucine, and valine are metabolized within muscle tissue allows them to be a quick energy source when the body needs it. There is a significant increase in BCAA metabolism during prolonged exercise simply because the body requires more energy during periods of stress such as training. This makes BCAAs incredibly effective when taken around workout time. The unique metabolic processes, requirements, and versatility of BCAAs allow them to impact nearly every aspect of training.
Posted on: Mon, 01 Jul 2013 21:43:02 +0000
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