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L Glutamine Supplements

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ATP Science L-Glutamine
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BSc Glutamine Powder
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About L Glutamine Supplements

L-Glutamine is a conditionally essential amino acid often used to promote health and exercise recovery. Glutamine can be synthesized in the body, though under certain conditions not enough is made to meet our requirements. During exercise, it has been shown that muscle glutamine levels decline, which makes supplementation helpful for recovery from sports and exercise. Muscle tissue naturally contains an abundance of this amino acid.


L-Glutamine may be useful when engaged in high-volume training and during the colder months of the year, as it may support the immune system. Other nutrients involved in immune health are Zinc, Quercetin and Vitamin C. Glutamine is required for synthesis of the most powerful antioxidant the body synthesizes, called glutathione. Glutathione helps neutralise free-radicals, which are produced at high rates during aerobic exercise as a normal part of oxygen-dependent energy pathways. The Medical Science Monitor in 2002 reported that 3-10% of oxygen utilised by tissues is converted to free-radicals.


Glutamine is an important energy source for intestinal cells with evidence indicating it is needed for intestinal cell proliferation and the regulation of nutrient absorption. This was published in the International Journal of Molecular Sciences in 2017. L-Glutamine is an intestine-specific amino acid, indicated for intestinal or gastric ulcerations and inflammation.


Research indicates glutamine supplementation boosts glycogen accumulation, which is helpful for endurance athletes or anyone engaged in intense exercise. Research also indicates that glutamine supplementation increases peak torque and decreases muscle soreness. Glutamine is relatively tasteless when mixed in water and for this reason is most commonly sold as an unflavoured and unsweetened powder. Alternatively, it can be mixed into protein shakes and taken after training or before food to support GUT health.