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This product is from Japan. PureBulk also offers a USA manufactured alternative at a lower price. We also sell L-Glutamine capsules.

What is L-Glutamine?

Glutamine is the most abundant of the 20 amino acids found in proteins. It is converted to glucose when the body requires more energy.

This conversion can provide fuel for athletes. Glutamine also aids in maintaining the proper acid/alkaline balance in the body and is important for the synthesis of RNA and DNA.

Glutamine is involved in more metabolic processes than any other amino acid. It is the main fuel utilized by both the digestive and immune systems and is the primary conductor of nitrogen to the muscles. A glutamine molecule is 19 percent nitrogen.

Glutamine is found in high concentrations in the brain, muscles, intestinal lining, lungs, heart, kidney and liver.

Glutamine is a nonessential amino acid because it can be made by the body. Blood levels of L-glutamine will fall significantly after strenuous exercise and will stay low until complete recovery. Supplementation with L-glutamine may reduce the recovery time following demanding workouts by replacing what is lost in catabolic processes (Wikipedia).

Dietary sources of L-glutamine include protein powders, beans, meats, fish, poultry, dairy products and L-glutamine supplements.

Health Benefits of Glutamine

Glutamine is essential for several bodily functions. It assists with blood sugar control, plays a major role in synthesizing muscle protein and cell volumizing, provides energy and helps to regulate reproduction of the cells lining the intestinal tract.

During periods of intense sports training, reduced glutamine levels (University of Maryland Medical Center) can take place.

Glutamine is converted to glutamic acid in the brain which in turn is used to synthesize GABA (gamma-aminobutyric acid), an amino acid that acts as a neurotransmitter for mental activity.

Purity and Concentration of Glutamine

This pharmaceutical-grade amino acid does not contain any fillers, additives or anti-caking agents.

Suggested Use of Glutamine

The recommended serving size of L-glutamine is 500 to 1000 milligrams taken one to three times daily on an empty stomach. Most people prefer to use the supplement immediately after working out. You can see the full bulk density/volumetric conversion chart for Glutamine here.

Potential Side Effects of Glutamine

This product is safe at suggested serving sizes. Side effects are rare. Large quantities could upset the stomach. If this occurs, revert to smaller doses.

Those with liver or kidney problems, Reye’s syndrome or any type of disorder that can result in an accumulation of ammonia in the blood should not take glutamine, as it may aggravate these conditions. L-glutamine is also not recommended for individuals with Crohn's disease or women who are pregnant or nursing.

Bioavailability, Mixing and Solubility of Glutamine

This product dissolves quickly in cold water and has very little taste. Mix with water or juice and drink. Do not use hot water, glutamine is destroyed by heat.

References & Further Research

University of Maryland: Glutamine

NOTE: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

The information at Purebulk.com is NOT a substitute for medical advice. ALWAYS consult your doctor or pharmacist. Do not use any dietary supplement as a replacement for conventional care, or as a reason to postpone seeing a doctor about a medical problem. Tell all your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.

The U.S. Food and Drug Administration (FDA) regulates herbal and other dietary supplements differently than conventional medicines. The standards for supplements are found in the Dietary Supplement Health and Education Act (DSHEA), a federal law that defines dietary supplements and sets product-label­ing standards and health claim limits. To learn more about DSHEA, visit the FDA Web site.