N-Acetyl-L-Glutamine (NAG) is a derivative of the amino acid L-glutamine. It has several important functions and applications, which are described as follows:
Functions
- Enhanced Absorption and Utilization: NAG is more stable and lipophilic compared to L-glutamine, allowing for better absorption in the gastrointestinal tract. Once absorbed, it can be readily utilized by the body. It serves as a source of glutamine, which is conditionally essential, especially in situations of stress, injury, or illness when the body's demand for glutamine increases.
- Gastrointestinal Health Support: It plays a crucial role in maintaining the integrity of the intestinal mucosa. Glutamine is the primary energy source for intestinal epithelial cells, and NAG helps to ensure an adequate supply of glutamine to these cells. This promotes the health and proper functioning of the digestive tract, helps prevent intestinal permeability (leaky gut), and supports the body's natural defense mechanisms in the gut.
- Immune System Support: Glutamine is important for the function of immune cells, such as lymphocytes and macrophages. NAG provides a means to supply glutamine to these cells, thereby enhancing immune function. It can help the body respond better to infections and diseases, and may also play a role in reducing inflammation.
- Renal Function and Ammonia Detoxification: In the kidneys, NAG is involved in the metabolism of ammonia. It helps convert ammonia into glutamine, which can then be excreted in the urine. This process is essential for maintaining proper nitrogen balance in the body and plays a role in protecting the kidneys from the toxic effects of ammonia.
- Central Nervous System Support: Glutamine is involved in the synthesis of neurotransmitters in the brain, such as glutamate and gamma-aminobutyric acid (GABA). NAG can contribute to the supply of glutamine to the central nervous system, thereby supporting normal brain function, including cognitive processes, mood regulation, and neuronal communication.
Applications
- Medical and Clinical Settings:
- In Intensive Care Units: It is often used in critically ill patients in intensive care units. These patients are at high risk of developing glutamine deficiency due to increased stress and metabolic demands. NAG supplementation can help maintain the integrity of the gut barrier, support the immune system, and improve the patient's overall condition and recovery.
- In Gastrointestinal Disorders: For patients with gastrointestinal diseases such as inflammatory bowel disease, irritable bowel syndrome, or those recovering from intestinal surgery, NAG can be beneficial in promoting intestinal healing, reducing inflammation, and improving digestive function.
- In Liver and Kidney Diseases: In liver and kidney diseases, NAG can assist in ammonia detoxification and help maintain the normal function of these organs. It may be used as part of the treatment regimen to support organ function and prevent complications related to abnormal nitrogen metabolism.
- Sports and Exercise Nutrition: Athletes often experience increased muscle breakdown and stress on the body during intense training. NAG can help support muscle recovery by providing a source of glutamine, which is involved in protein synthesis. It may also help reduce fatigue and improve immune function, allowing athletes to train more effectively and recover faster between workouts.
- General Wellness and Dietary Supplements: For individuals with poor dietary intake, those under chronic stress, or those looking to support their overall health, NAG can be taken as a dietary supplement. It can help maintain gut health, boost the immune system, and support normal metabolic and cognitive functions.
Factory Photos:

Testing lab

Ware house

Packing way

FAQ
How to Confirm Product Quality Before Placing Orders?
For stock items, we will offer free samples in 20g to 50g. You only need to cover the express shipping cost to
get it for quality checking before placing your official order.If you're interested in OEM products, we'll
manufacture them according to your specifications and send them to you for confirmation.
Can I Place a Small Order?
Absolutely! Our minimum order quantity is 1kg, which will be carefully packed in a small, sealed aluminum foil
bag. We will ship you by express with the shipping cost at your account.
What Will Be The Payment Way?
Basically We prefer T/T. Well for very small orders, we can do by PayPal.
What's the Lead Time?
For normal stock items, we can deliver within 3 days. For big Qty orders or OEM orders, the lead time is typically
7-10 days.
What About After-Sales Service?
Our company name, Servqual, is derived from the words "Service" and "Quality," which underscores our
commitment to both excellent service and high-quality products. We believe that only by providing superior
service and maintaining top-notch quality can we build a lasting business. In our collaboration, you will deeply
experience this commitment.