Looking for a great glutamine supplement? Look no further!

We’ve done the research so you don’t have to, and we’ve compiled a list of the best supplements available. So whether you're looking to boost your workout recovery or build muscle mass, one of these supplements is sure to do the trick.

Check out our review and find the top glutamine supplement for your needs! You won’t regret it.

We hope you find your next favorite thing from the list below!  Each product was independently selected by our editors. Some may have been sent as samples for us to fiddle with, but all opinions in this article are our own.  Oh, and FYI — LucksList may collect a share of sales or other compensation from the links on this page if you decide to buy something (that's how we stay in business). Reviews have been edited for length and clarity.  Enjoy finding your next favorite thing!

How We Choose The Best For You

Trying to find the best glutamine supplement can be really tough, because there are so many products on the market.

It seems like every other day a new glutamine supplement hits the shelves. How are you supposed to know which one is right for you?

We've done the hard work for you and read through through the reviews to find the best glutamine supplements on Amazon.

Best Vegetarian, Natural, Non-GMO L-Glutamine

NusaPure

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Why We Love It

Looking for a product to help you with your workout and recovery? Look no further than NusaPure! Their L-Glutamine capsules are perfect for athletes or anyone who wants to improve their workout performance.

We only use the highest quality ingredients, and their veggie caps are vegan/vegetarian and gluten free. L-Glutamine is an amino acid that helps with cell volumization, protein synthesis, and glycogen replenishment, making it perfect for anyone who wants to build muscle growth or recover from a strenuous workout.

To get the most out of your capsules, take them before or after exercise. Their 100 day supply is perfect for those who want to commit to their workout routine. So why wait?

What You Should Know

At NusaPure, we take great pride in sourcing only the highest quality ingredients available. We use a cGMP manufacture right here in the USA, so you can be confident that you're getting top-of-the-line products.

Their team of experts are constantly innovating new ways to improve their formulations, so you can trust that you're always getting the best possible products.

And of course, they always have your wellness in mind; that's why their ingredients are always clean and non-GMO.

So when you choose NusaPure, you can be confident that you're making the best choice for your health.

Best Naturally Flavored Glutamine Post-Workout Recovery Powder

Old School Labs Vintage Build

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Why We Love It

Eager to bulk up, build muscle, and preserve your gains? This is the product for you! With a unique formula that delivers a proven trio of muscle building ingredients in the form of branched chain amino acids (BCAA), creatine, and L-glutamine, Old School Labs Vintage Build is your answer to the perfect body.

It's naturally flavored, mixes easily, and tastes great with water or your favorite protein shake. Get the results you want without putting in all the extra work at the gym; Old School Labs has got you covered.

Old School Labs Vintage Build - the perfect supplement to help you build lean muscle and strength. Tested and trusted by third-party experts, this premium post-workout supplement is made with only the finest ingredients, including branched chain amino acids (BCAA), creatine monohydrate, and L-glutamine.

Vintage Build is perfect for men and women who want to build muscle without bulk, and can be used in conjunction with a pre-workout supplement and healthy diet. Get the power you need to build the body you want with Old School Labs Vintage Build.

What You Should Know

Old School Labs believe in creating supplements that not only improve your physique, but also transform your life. From pre-workouts to fat burners, they have the right solution for you.

And they're so confident in their products that they offer a money-back satisfaction guarantee. So whether you're looking for a workout boost or a complete transformation, Old School Labs has you covered.

Try us today and see the difference that quality supplements can make. Thank you for choosing Old School Labs!

Best L-Glutamine Pure Powder, Nitrogen Transporter

NOW Sports Nutrition

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Why We Love It

Looking for a sports nutrition supplement that's trusted and has a new look? NOW Sports Nutrition is your perfect choice!

Their nitric oxide precursor, arginine, supports protein metabolism and is perfect for those who are looking to maintain a proper nitrogen balance.

Just mix 2 level teaspoons daily in 8 oz. of juice or water, and you're good to go!

What You Should Know

NOW Sports Nutrition is dedicated to providing the highest quality products possible. That's why they're one of the first companies to be GMP certified by the NPA.

This means that their manufacturing process has been thoroughly examined and meets the highest standards.

They're also proud to be a family-owned and operated company. They've been in business for over 50 years!

Best for Muscle Recovery Capsules

Optimum Nutrition L-Glutamine

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Why We Love It

L-Glutamine is the most abundant amino acid in the body and plays an important role in muscle protein development.

Their Optimum Nutrition L-Glutamine capsules are a convenient way to get your daily dose of this essential nutrient.

Each capsule contains 1000 milligrams of pure L-glutamine, making it easy to get the nutrients you need to support your workout routine.

What You Should Know

The human body is an amazing machine. It can adapt to all sorts of conditions and still keep going. However, sometimes it needs a little help.

For example, during prolonged periods of intense exercise, the body's glutamine levels may be depleted. Glutamine is an amino acid that plays an important role in muscle recovery.

Luckily, Optimum Nutrition L-Glutamine can help. This product helps to replenish the body's glutamine levels, allowing you to recover from your workout and stay in shape.

Just remember that during the summer months, products may arrive warm.

But don't worry, Amazon stores and ships products in accordance with manufacturers' recommendations.

So you can be sure that your Optimum Nutrition L-Glutamine is just as effective as it should be.

Best for Muscle Tissue & Immune Function

Jarrow Formulas L-Glutamine

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Why We Love It

Looking for a way to support your muscle tissue and immune function? Look no further than Jarrow Formulas L-Glutamine!

This amino acid is involved in many metabolic processes, including synthesis and protection of muscle tissue, production of glycogen, and immune support during immune and muscular stress.

Plus, L-Glutamine is a major source of fuel for intestinal cells, making it an excellent choice for supporting digestive health.

So why wait? Order your bottle of Jarrow Formulas L-Glutamine today!

What You Should Know

If you're looking for a product that gives you 100 percent L-glutamine with no fillers or extras, Jarrow Formulas L-glutamine is the perfect choice.

This USP/FCC grade formula is manufactured via microbiological fermentation, so you can be sure you're getting a high-quality product.

And because it's 100 percent L-glutamine, you know you're getting a pure product that will give you the results you're looking for.

Whether you're looking to improve your workout recovery or boost your immune system, this formula is a great option.

And because it's from Jarrow Formulas, you know you're getting a superior product from a company that is committed to making high-quality, effective, and affordable dietary supplements.

So if you're looking for an L-glutamine supplement that is pure and of the highest quality, look no further than Jarrow Formulas L-glutamine.

Best Glutamine Supplement FAQs

Trying to find a good glutamine can be hard, because there are so many options on the market.

It's no wonder you're feeling overwhelmed by all the choices out there! With so many different glutamine being marketed as the best, how can you know which one is right for you?

We've done the research for you. After analyzing all of the top glutamine on the market, we've compiled this list of Frequently Asked Questions about glutamines and answered them with the help of our experts.

What Form of Glutamine Is Best?

There are three main forms of glutamine on the market: L-glutamine, DL-glutamine, and glutamine peptides.

All three forms are effective, but the type that you use may depend on your individual needs.

L-glutamine is the most common form of glutamine and is readily available in glutamine powder form.

It is very stable and doesn't break down easily, making it a good choice for those who want to take it on an empty stomach.

DL-glutamine is a more active form of glutamine and is more easily absorbed by the body.

It is usually found in capsules or tablets and is a good choice for those who have trouble absorbing L-glutamine.

Pure glutamine powder is the best form of glutamine, but it can also be found in protein powders and pre-workout supplements.

Optimum nutrition glutamine is a great product that provides you with the benefits of glutamine without any fillers or extras.

Is It Worth Taking Glutamine?

It depends on your goals.

Glutamine is a conditionally essential amino acid that is produced in the body and is also found in protein-rich foods such as meat, poultry, fish, eggs, and dairy products.

Glutamine plays a role in many important functions of the body, including muscle building and repair, energy production, and immune system function.

For people looking to build muscle or improve athletic performance, glutamine supplementation may be beneficial.

Research has shown that taking glutamine supplements before and after exercise can help to increase muscle mass and strength, as well as decrease recovery time after workouts.

Pure glutamine can also be helpful for people who want to boost their immune system or improve digestive health. Glutamine is a major source of fuel for intestinal cells, making it an excellent choice for supporting digestive health.

So, if you're looking to improve your

Is There a Difference Between Glutamine and L-glutamine?

Yes, there is a difference between glutamine and L-glutamine. Glutamine is the most common amino acid in the body, and it is found in protein-rich foods such as meat, poultry, fish, eggs, dairy products, and legumes. L-glutamine is the biologically active form of glutamine. It is used by the body to make proteins and other important molecules.

L-glutamine supplements are available in both glutamine powder and capsule forms. They are used to improve exercise performance, reduce muscle soreness after exercise, boost the immune system, and enhance gut health.

L-glutamine supplements are also used to treat conditions such as cancer, burns, and HIV/AIDS.

Is L-glutamine Better in Powder or Pills?

There are a few different factors to consider when determining whether L-glutamine powder or pills are better. One is the absorption rate; another is the convenience factor.

L-glutamine is an amino acid that plays an important role in intestinal and immune health. It is often used as a supplement to help with digestive issues, such as leaky gut syndrome. L-glutamine supplements are available in both glutamine powder and pill form.

The glutamine powder form of L-glutamine is more easily absorbed by the body than the pill form. This is because the glutamine powder dissolves more quickly and gets into the bloodstream faster. However, pills are more convenient to take and tend to be less expensive than glutamine powder.

Glutamine powder is a good choice for those who want the fastest absorption and are willing to pay more for it. Pills are a good choice for those who want convenience and don't mind a slower absorption rate.

Glutamine powder can be mixed with water or juice and taken on an empty stomach. It is important to take glutamine powder with food to slow down the absorption rate and reduce the risk of side effects such as nausea and vomiting.

Glutamine powder is the most effective form of glutamine, but it is also the most expensive.

What Are the Negative Effects of Glutamine?

There are a few potential negative effects of glutamine supplementation, although most seem to be relatively minor. The most commonly reported side effect is GI distress, which can range from mild cramping to diarrhea. This seems to be more common when glutamine is taken on an empty stomach, so it’s best to take it with food or a protein shake.

Other less common side effects include headache, anxiety and improved insulin sensitivity (which could be either positive or negative depending on your goals). Overall, glutamine is generally well-tolerated by most people, but as with any supplement, it’s always best to start with the lowest possible dose and increase gradually as needed.

L-Glutamine is a conditionally essential amino acid, which means that under certain circumstances, the body cannot produce enough of it and supplementation is necessary.

When Should I Take Glutamine for Gut?

Glutamine is an important amino acid for gut health. It plays a role in maintaining the integrity of the intestinal barrier and also helps to replenish nutrients in the gut. Many people take glutamine supplements in order to help improve their gut health.

There is some controversy as to when the best time to take glutamine is. Some experts recommend taking it on an empty stomach, while others recommend taking it with food. There is no definitive answer, so you will need to experiment to see what works best for you. If you are taking glutamine for gut health, it is generally recommended to take it at least once per day.

Glutamine is an amino acid that fights against the build-up of lactic acid in your body whilst you're working out.

L-glutamine is the most abundant amino acid in the gut and lack of it may cause leaky gut.

Essential amino acids are the building blocks of protein.

Protein is essential for building muscle, so glutamine is often taken as a supplement by bodybuilders and athletes. Amino acids  are also important for repairing tissue and organs.

Glutamine intake should be increased when you are stressed, as this amino acid is used up more rapidly during periods of stress.

How Does L-glutamine Heal the Gut?

L glutamine is an amino acid that is produced by the body and plays a role in many processes, including gut health. Glutamine is a major fuel source for cells in the gut, and it plays a role in intestinal cell growth and repair.

Supplementing with L-glutamine can help heal the gut by restoring its barrier function, reducing inflammation, and improving nutrient absorption. L-glutamine has also been shown to boost immunity, which can help protect against pathogens that can cause gut problems.

Does L-glutamine Help With Bloating?

There isn't a ton of scientific research out there on the effects of L-glutamine on bloating, but some people swear by it as a natural remedy. L-glutamine is an amino acid that's found in meat, poultry, fish, and dairy products.

It's also available in supplement form. Some people believe that L-glutamine can help with bloating because it can help to heal the lining of the gut. It's also thought to have anti-inflammatory properties.

If you're considering taking L-glutamine for your bloating, be sure to talk to your doctor first to see if it's right for you.

Does L-glutamine Help Lose Weight?

L-glutamine is amino acid that plays an important role in the digestive system and metabolism. L-glutamine can be found in many foods, including meats, dairy products, and vegetables. Some people take L-glutamine supplements to help lose weight.

Most of the research on L-glutamine and weight loss has been done in animals. One study gave mice a high-fat diet and L-glutamine supplements. The mice that took the l-glutamine had less body fat, lower blood sugar levels, and more lean body mass than the mice that didn’t take the supplement.

There have been a few studies on humans as well. One study gave obese people L-glutamine supplements for eight weeks. The people who took the supplement lost more weight and body fat than the people who didn’t take the supplement.

Should I Take Glutamine on Rest Days?

Glutamine is an amino acid, which means it's a building block of protein. It's found naturally in the body and is important for muscle growth, as well as repair and recovery from exercise.

So, should you take glutamine on rest days? That depends on your goals. If you're trying to build muscle, then taking glutamine on rest days can help you recover faster and promote new muscle growth.

However, if you're not looking to gain muscle mass, then there's no need to take glutamine on rest days. You can just focus on getting enough protein through your diet.

Can You Mix Glutamine With Protein Powder?

Glutamine with protein powder or protein shakes is not ideal because certain amino acids compete with glutamine for absorption, so I suggest avoiding those.

Amino acids that compete with glutamine for absorption are: Arginine, Histidine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan.

Amino acids that do not compete with glutamine for absorption: Alanine, Aspartic Acid, Cysteine, Glutamic Acid, Glycine, Proline, Serine, Tyrosine.

Amino acids  that have a synergistic effect with glutamine: Branched Chain Amino Acids (BCAAs - Leucine, Isoleucine, Valine), Carnitine.

Glutamine supplemented with BCAAs has been shown to be more effective in preventing muscle breakdown than when glutamine is supplemented alone.

The best time to take glutamine is either before or after a workout. This is because glutamine levels tend to drop during exercise, so supplementing before or after can help to replenish them.

Glutamine Benefits

When it comes to working out, everyone is looking for that edge that will help them push just a little bit harder and see even better results. For many people, glutamine supplements are the answer.

Glutamine is an amino acid that is found naturally in the body, and it plays an important role in muscle growth. Supplementing with glutamine can help to increase lean muscle mass, improve exercise performance, and reduce recovery time.

In addition, glutamine supplements can also help to boost the immune system, making them ideal for people who are prone to getting sick. So if you're looking for a way to take your workout to the next level, consider adding an L-glutamine supplement to your routine.

Glutamine Supplement Dosage

Many people are interested in taking glutamine supplements to improve their health, but they may not be sure of the proper dosage. The recommended L glutamine per serving is between 2 and 8 grams per day, taken in divided doses.

However, some people may need to take higher doses, up to 20 grams per day. It is important to start with a lower dose and increase gradually as needed. People with certain medical conditions should not take glutamine supplements without first consulting a healthcare provider.

Naturally occurring amino acid are found in meats, poultry, fish, and dairy products.

In general, glutamine is considered safe when taken at the recommended doses.

Glutamine Supplement Side Effects

While many people turn to glutamine supplements in an effort to improve their health, few are aware of the potential side effects. In large doses, glutamine can cause gastrointestinal distress, including nausea and diarrhea.

It can also lead to headaches, joint pain, and fatigue. In some cases, it may also interact with other medications, so it's important to check with a doctor before taking glutamine supplements.

The recommended dosage is 5 grams of glutamine powder per serving, and the bottle will last you 60 days.

Though it's often marketed as a miracle cure-all, glutamine is actually a fairly potent drug, and it's important to be aware of the potential risks before taking it.

What’s The Best Glutamine Supplement Supplement For You?

After all of our research, we’ve come up with a list of the five best glutamine supplements on Amazon.

These supplements will help you recover from your workouts quickly and boost your immune system!

If you decide to try one of these supplements, please let us know how it works for you in the comments below. Thanks for reading!

And if you need help picking the right product, here you go!

Best Vegetarian, Natural, Non-GMO L-Glutamine
NusaPure

Best Naturally Flavored Glutamine Post-Workout Recovery Powder
Old School Labs Vintage Build

Best L-Glutamine Pure Powder, Nitrogen Transporter
NOW Sports Nutrition

Best for Muscle Recovery Capsules
Optimum Nutrition L-Glutamine

Best for Muscle Tissue & Immune Function
Jarrow Formulas L-Glutamine

We hope this article has helped make your decision easier and that you enjoy your new glutamine supplement!