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Glutamine Prevents Muscle Atrophy |
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Written by SuperHuman
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Thursday, 03 April 2008 |
Busted up and stuck on the couch? Watching your leg muscles shrink is about as mch fun as watching Oprah reruns. Glutamine could help you from losing muscle.
Hormones, muscle tension, nutrients and genes play critical roles in
determining whether muscles get larger, smaller or stay the same size.
Corticosteroids, stress hormones produced in the adrenal glands, and
the myostatin gene stimulate muscle breakdown, while testosterone,
growth hormone and IGF-1 stimulate muscle growth. Researchers from the
Charles R. Drew University of Medicine and Science in Los Angeles, in a
study on rats, found that glutamine supplements prevented muscle
atrophy (decrease in muscle size) triggered by glucocorticoids by
suppressing the myostatin gene. This gene prevents muscle growth and
promotes muscle atrophy. Intense weight training stimulates
glucocorticoid release, which promotes muscle breakdown. Glutamine
supplements may help you recover more quickly and increase muscle size
faster by preventing muscle breakdown after training and promoting
muscle hypertrophy. (Metabolism Clinical Experimental, 55:1239-1247,
2006)
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