L-Glutamine Pure Powder | Nitrogen Transporter
Fuel your recovery and support your body’s foundational health with a pure, essential amino acid trusted by athletes. NOW® Sports L-Glutamine is a pure, unadulterated powder that provides a high-potency dose of this conditionally essential amino acid. It’s a clean, effective tool for supporting muscle repair, immune function, and maintaining a positive nitrogen balance after intense physical exertion.*
The Science of Recovery: Nitrogen Transport & Cellular Fuel
Glutamine is the most abundant free amino acid in the body. During intense training, glutamine levels can be significantly depleted, which can impact performance and recovery. Supplementing with L-Glutamine provides targeted support.
- Nitrogen Transporter: Glutamine is a primary transporter of nitrogen into muscle cells. Maintaining a positive nitrogen balance is crucial for creating an environment that supports muscle tissue repair and growth.*
- Immune System Fuel: Glutamine is a key fuel source for cells of the immune system, such as lymphocytes. Intense exercise can temporarily stress the immune system, and glutamine helps to support its healthy function during these periods.*
- Supports Homeostasis: Helps to regulate the body’s pH balance, which is critical for overall fitness and function, especially during strenuous activity.*
Trusted by Sport: The NOW® Standard of Quality
✓ Informed-Sport Certified: This product is tested for a wide range of substances prohibited in sport by LGC, a world-class anti-doping lab. This is your assurance that our L-Glutamine is clean and safe for athletes at every level.
✓ GMP Quality Assured: Our NPA A-rated GMP certification means that every aspect of our manufacturing process has been examined, including our laboratory and testing methods, for stability, potency, and purity.
✓ A Legacy of Trust: We are a family-owned and operated company that has been a trusted leader in the natural products industry since 1968.
✓ Expert Endorsed: “Glutamine is a conditionally essential amino acid that is critical for post-workout recovery and immune function. A pure, tested powder like NOW’s is a staple for any serious athlete’s regimen.” – **Dr. Jim Stoppani, PhD, Exercise Physiology (Archetype)**.
✓ Learn More About Glutamine: Understand its vital role. Read a scientific review on the role of Glutamine in the immune system from the National Library of Medicine.
How to Use for Optimal Results
Mix 1 rounded teaspoon (approximately 5g) of L-Glutamine powder into 8 oz. of water or your favorite beverage. For best results, take 1 to 2 times daily as needed, preferably between meals or after your workout to kickstart the recovery process.
Important Safety Information
This supplement is intended for healthy adults. Consult your physician before use if you are pregnant, nursing, taking any medication, or have a medical condition. Keep out of reach of children.
Frequently Asked Questions (FAQ)
- What does “conditionally essential” amino acid mean?
- It means that while your body can produce some glutamine on its own, during times of intense physical stress (like heavy workouts) or illness, the demand for glutamine can exceed your body’s ability to produce it, making supplementation beneficial.
- What does this powder taste like?
- Our L-Glutamine powder is pure and unflavored. It has a very mild, almost neutral taste and dissolves easily, making it perfect for mixing into water, juice, or your post-workout protein shake.
- What is Informed-Sport certification?
- Informed-Sport is a global quality assurance and certification program for sports supplements. The certification means that every batch of this product has been tested for banned substances, giving elite and everyday athletes confidence in its purity and safety.
*Disclaimer: 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.













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