Health Benefits of Glutamine Supplements

Glutamine Supplements


Glutamine is an essential amino acid that performs various functions in your body. It is a critical part of your body’s immune system and participates in the biosynthesis of proteins.

Additionally, it has a unique role in keeping your digestive system healthy. As such, maintaining a proper level of glutamine in your body is crucial.

No doubt, your body can produce glutamine naturally, and it is available in many protein-rich foods such as chicken, egg, and beef. Nevertheless, you should note that your body is susceptible to stress, especially when carrying out intense workouts. Consequently, it can deplete the level of this amino acid, thereby limiting protein synthesis.

But you can avoid this issue by using glutamine supplements. There are several benefits of taking this kind of supplement.

If you wonder which glutamine supplement is best for you, then you are in the right place. In this article, we have reviewed the top three glutamine supplements that you should consider trying it for yourself.

Quick Comparison of Product:

ProductTypeServing SizeRatingsPrice
Optimum Nutrition L-Glutamine Muscle Recovery CapsulesCapsule1-2 Capsules4.6/5Check
MuscleTech Glutamine PowderPowder5 grams4.6/5Check
NOW Sports Nutrition, L-Glutamine Pure PowderPowder5 grams4.6/5Check


#1 Optimum Nutrition L-Glutamine Muscle Recovery Capsules:

The product is one of the best glutamine supplements that have satisfied many users. It comes with 240 capsules; each capsule with a 500mg of pure l-glutamine. But you should note that the total capsule count can vary sometimes. Besides, the pills are easy to swallow and are flavorless.

Each container has a total of 120 servings with a recommended serving of one to two capsules.

It would help if you consume it between meals, and there should be at least 30 minutes gap before or after workouts. Moreover, each serving provides you with two grams of pure of l-glutamine.

Optimum Nutrition L-Glutamine Muscle Recovery Capsules



Another essential aspect of this product is that it does not contain any unnecessary additives or components.

The only other ingredients used in this product are gelatin and magnesium stearate. The former helps your muscle recover quickly after an intense workout, while the latter prevents other components from sticking to each other.


  • It features pure l-glutamine capsules.
  • It supports muscle recovery.
  • It works effectively in dealing with digestive issues.
  • Easy to swallow pills.
  • GMP certified product.
  • This product is also available in powder form.


  • Some users have experienced issues like stomach pain and dizziness.
  • No other essential ingredients.




#2 MuscleTech Glutamine Powder:

This product has never failed to satisfy users since its inception. It is free of banned substances and has passed the HPLC test. So what you get from this supplement is of high quality. And it is this aspect that separates this product from its competitors.

Each container comes with 60 servings, and each serving provides five grams of glutamine. It means you get the right amount of supplement to replenish the glutamine used during workouts.

MuscleTech Glutamine Powder



Another essential attribute of this product is that it is a non-stimulant formula. As such, you can consume it at any time of the day. Additionally, you can use this product along with other supplements or vitamins.


  • HPLC tested.
  • Free of banned substances.
  • It is a non-stimulant product.
  • It supports immune function.
  • It dissolves instantly.


  • Some users have complained that the container is too small.
  • It has not shown any results for some users.




#3 NOW Sports Nutrition, L-Glutamine Pure Powder:

If you are looking for a great-value supplement, then this product is what you need. One serving of this product is enough to help you recover from your intense workouts, thereby making you ready for the next one.

By purchase a package, you get to enjoy around 91 servings per container. Besides, this product comes from a reputable manufacturer.

An essential aspect that makes this product stands out relates to its quality. It features high-grade glutamine, and it is free of soy, gluten, and artificial flavors. So even if you are a vegetarian, you can use this product.

This product has also passed the banned-substances test. As such, you do not have to worry about having unpleasant side-effects when using this supplement. Further, it is also suitable for professional athletes who follow a strict anti-doping rule.

NOW Sports Nutrition, L-Glutamine Pure Powder



Another thing you should keep in mind is that it is a GMP-certified product. The manufacturer has met all facilities up to the industry standards.

You can mix this supplement with water or juice based on your preference. To get the best result, we recommend taking this product between meals three times a day. It will also help if you start at a low dose to avoid any complications, such as nausea.


  • This product works in dealing with gut issues.
  • It is a great supplement for both pre-workouts and post-workouts.
  • This product is free of banned substances, thereby making it suitable for all types of users.
  • It offers five grams of quality glutamine per serving.
  • Quality GMP assured.
  • It is a non-GMO product.


  • It does not come with a scoop.
  • The product is not returnable once sold.


Some Of The Many Benefits Of Glutamine Are Listed Below. They Include:

Fortifies the Immune System – Its role within the immune system is one of Glutamine’s main functions. It acts as a fuel source for the immune cells, including the white blood cells (WBCs) and specific intestinal cells. If your body has a bigger need for the Glutamine than to produce it, your body will break down the protein stores like a muscle to release more amino acids.

The immune system’s function can is compromisable during the inadequate availability of glutamine amounts. For these reasons, glutamine supplements or high protein diets are usually prescribed after severe injuries such as burns.

According to studies, Glutamine supplements tend to elevate health conditions and reduce infections. Patients can have shorter stays in the hospital post-surgery. There are improvements in survival, and medical costs are less.

Improves Intestinal Health – The intestines make up the largest portion within the immune system as many intestinal cells carry immune functions. It also includes the trillions of bacteria present in the intestines. Here, Glutamine acts as a major energy source for immune and intestinal cells.

It also helps maintain the barrier present between the intestine’s insides and the rest of the body. Glutamine help benefits the overall immune health of your body by offering support to the intestinal cells. It doesn’t allow the harmful toxins and bacteria to move up into the rest of your body.

Glutamine also carries the impressive ability to heal the digestive tract. It can repair and restore it without any complications. People suffering from Celiac diseases, IBS, and other digestive issues can benefit from it. It heals the intestinal lining and also prevents bloating. Plus, it also acts as an excellent glycogen repletion.

Muscle Gain and Improved Exercise Performance – Since it is a building block of protein, Glutamine supplement enhances workout performance and growth of muscle, according to many researchers. Consumption of glutamine supplements also reduces muscle soreness and enhances the recovery process post-exercise.

One study also showed that Glutamine could help decrease a blood marker of fatigue during 2-hours of intense running. It also elevates the immune function of many athletes; however, the results may vary from person to person.

But you also have to understand that many athletes consume a high level of protein daily. So, they might be consuming massive amounts of Glutamine without actually taking the glutamine supplements.

Conclusion – Benefits of Glutamine:

To sum up, glutamine is an essential amino acid that plays a significant role in the well-being of your body. It does not only strengthen and recover your intestinal system and immune system but also boost brain function.

Of course, your body can produce this amino acid, and you can also get from protein-rich food. However, the level of glutamine can considerably reduce when you carry out excessive workouts. But you can avoid this issue by using glutamine supplements.

The above-reviewed products are the top three glutamine supplements available in the market. We guarantee you cannot go wrong with any of these products on our list. They are all perfect addition to your supplement regime.

Deciding which one to choose is a matter of personal preference. The reason is that each serves a specific purpose and has its pros and cons. Besides, some are in powder form, while others are in capsule form. Hence, you should pick the one that meets your needs.

Jason Shaw is an experienced bodybuilder, gym owner, nutritionist and content creator for many websites. He has competed at a high level and wants to bring that experience in muscle building, fitness and nutrition including supplements to our many readers, whether you're a skinny guy want to build muscle or a seasoned bodybuilder.

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