As unfortunate as that name sounds, leaky gut means exactly that, a permeability of the walls of the intestine. Glutamine has been shown to prevent deterioration of gut permeability and preserve mucosal structure.
That ability to strengthen intestinal walls also makes glutamine effective in healing intestinal ulcers and promoting better digestion.
If you feel really drained following exercise, it could be because your body isn’t producing enough glutamine and you need to supplement that production. One hour of exercise can cause a 40% reduction in glutamine levels in your body.
While many people link a higher metabolic rate with fat burning, there is not necessarily a direct connection between the two. Glutamine literally burns fat by prompting the secretion of human growth hormone (HGH). The new muscle growth that results is fueled in part by the fat stores in the body.
When using a glutamine supplement, HGH levels can increase over 300%, a response that leads to an increase in resting metabolic rate.
In addition to the fat burn from increased HGH production and metabolic rates, studies have linked glutamine with the loss of fat in overweight people. One study concluded that use of glutamine supplements leads to an increase in lean body tissue and a decrease in the circumference of the abdomen. L-glutamine is also known to help control appetite.
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