Best Glutamine Pills & Powders On The Market (for Men and Women)

best glutamine supplement

Today, as people become increasingly invested in their health and fitness, one business model has seen great success, the world of supplements.

Today you can find a supplement for almost any fitness or wellness goal that you may have.

You won’t just find one supplement; you will find numerous brands offering you the same supplement.

This massive list of supplements can make it difficult to know which are truly effective and of great quality and which are filled with fillers and false promises.

To make this selection process easier, we have created a list of the top glutamine supplements.

So, what is glutamine, and why would you need it as a supplement?

Glutamine is one of the essential amino acids for the smooth running of the body’s systems.

As an amino acid, it forms proteins, which have numerous functions in the body. L-glutamine is used in supplements rather than d-glutamine.

Glutamine also helps improve the health of your intestinal system.

While your body creates glutamine itself, there are times when you need an extra boost of glutamine.

So, to help you get your boost of glutamine, after much research, we have created a list of the most amazing glutamine products below.

Our Top Picks

Sometimes you do not have time to read through an extensive review of multiple supplements or already know the type of supplement you want.

We completely understand, so we have created a quick guide on choosing the best supplements.

This guide will give you an insight into these supplements, providing you with their main selling points and why we have chosen to add them to our list.

This way, you can simply read into the supplement(s) that you need, saving you time.

Best Overall

Naked GlutamineNumber one on our list and the best glutamine powder overall on our list is the Naked Nutrition Glutamine Powder supplement.

It has everything you should be looking for in glutamine supplements.

It is made with high-quality ingredients that are proven to work.

The supplement comes in powder form and is easy to use and incredibly effective.

Best Budget

Jacked Factory L-Glutamine

Supplements are expensive (even glutamine supplements); that is simply a fact.

Many high-quality and effective brands can easily be out of most people’s price range.

For this very reason, we found that Jacked Factory’s L-glutamine Powder is a perfect solution to this problem.

It is a supplement that doesn’t compromise on quality or effectiveness without being heavy on your pocket—a perfect option for someone who wants to try glutamine supplementation for their diet while staying on budget.

Best BCAA Glutamine

Transparent Labs BCAA Glutamine

BCAA, or branched-chain amino acids, are part of the 20 main amino acids that keep your body working to the best of its ability.

If you are looking for a dietary supplement that contains BCAA’s and L-glutamine, then Transparent Lab’s Glutamine Supplement is your best choice.

The supplement easily provides all the benefits of glutamine supplements and boosts the amount of branched-chain amino acids in your diet.

Best N-Acetyl

BulkSupplements L-Glutamine

For glutamine supplements with the best N-acetyl, look no further than BulkSupplements Glutamine Powder.

The N-acetyl in the supplement ensures that the product remains stable and is absorbed better than free-form l-glutamine.

This maximizes the supplement’s effect, increasing the benefits of glutamine in your body’s systems.

Best Vegan

While glutamine supplements are a great way to boost your diet, many do not cater to those who live vegan lifestyles.

This can make it very difficult to find supplements that both cater to vegan lifestyles and are effective.

With VivaStix Muscle, you do not have to worry about this problem.

Not only is this supplement vegan-friendly it is also incredibly effective and made from the best-quality ingredients.

A great choice for glutamine supplementation for anyone who wants to increase the glutamine content in their body while being vegan.

Top 7 Glutamine Pills & Supplements

Now let’s cover each supplement in greater detail…

1) Naked Nutrition Glutamine Powder

Naked Glutamine

The founder of naked nutrition Stephen Zieminski, an all-American track and cross country, is no stranger to supplements.

Zieminski noticed that many supplements were created using ingredients with no nutritional benefits, even though these products claimed to be beneficial for those trying to live a healthy life.

Hence, in the year 2014, Naked Nutrition was created.

Naked Nutrition filled the gap in the supplement industry.

The first five supplements created by Naked nutrition were all created using a single ingredient, ensuring effectiveness.

Now Naked nutrition produces more than 40 different supplements, with a maximum of 3 ingredients.

Naked nutrition aims to help support you while you work towards your health and fitness goals.

They use ingredients that are of the best quality and effective.

Naked nutrition avoids the use of fillers and unnecessary ingredients in their products. One such product is their Naked glutamine supplement.

Like all naked products, the supplement is free of unnecessary ingredients and fillers.

It is an effective supplement that boosts your health.

Key Benefits

  • The supplement uses the most prevalent amino acid, L-glutamine protein powder. This ensures that your body can maximize the absorption of glutamine.
  • The naked nutrition supplement is completely free of artificial fillers and additives that can reduce the supplement’s potency.
  • The supplement is tested by external labs that check for heavy metals. Ensuring that the supplement is high-quality and free of bias from the company.
  • The supplement is completely free of soy, dairy, GMO, and gluten. Reducing the chances of allergic reactions.
  • The naked nutrition supplement is also suitable for people with vegan diets.
  • It is a high-quality supplement that boosts health.

L-Glutamine is naturally fermented from plant sources and is the only ingredient in the Naked l-Glutamine supplement.

The amino acid glutamine is the most prevalent in your muscles and blood, but it can be depleted during intense exercise.

This supplement replenishes the glutamine lost during exercise and daily activity. This provides a boost to the body’s muscle mass.

The L-glutamine powder in the supplement supports muscle growth and improves the body’s ability to heal the damaged muscle.

Additionally, the building blocks increase the production of proteins, which can be used for numerous processes in the body.

Glutamine also improves the body’s immune system and overall health.

It can also reduce sugar cravings.

Additionally, this ultra-pure micronized glutamine is free of artificial flavors and fillers, ensuring that only the best ingredients enter your body.

It is in a powder supplement and can be added to any drink without changing the taste of the drink.

The best time to take Naked Nutrition’s pure l-glutamine supplements is in the morning, before bed, or after a workout.

The supplement increases energy levels before and during workouts and improves healing after a workout. Add one scoop of the supplement to your drink of choice, water, juice, or a shake.


  • The supplement is free of additives and fillers.
  • It is in powder form.
  • It has only one ingredient.


  • It is not travel-friendly.
  • It is flavorless.

2) Jacked Factory L-Glutamine

Jacked Factory L-Glutamine

When Jacked Factory first started in 2014, they took a unique strategy to establish their business.

Jacked Factory concentrated on the fundamental yet crucial concepts of over-delivering value through exceptional customer service and goods.

They spent considerably less time on shelf placement, product expo, and advertising, which is where most of the industry’s money goes.

The supplement industry’s current status quo focuses on outrageously high pricing and watered-down goods; Jacked Factory has done the opposite.

They felt it was time to develop a supplement brand that stood up to the existing quo of low-quality, expensive, useless, and mass-produced supplements.

Jacked factory decided on a different approach.

They chose to focus on making high-quality and effective products while still being affordable.

Once they had perfected this model, they knew success would come soon.

Their goal was always to create a supplement that made a difference in people’s lives and helped them achieve their fitness goals.

Their L-glutamine supplement is just one of their many supplements.

Like all their other products, their supplement is created to be affordable and effective.

The supplement was formulated after extensive research and is tested to ensure quality and safety.

Key Benefits

  • This supplement has been formulated after extensive scientific research to ensure its effectiveness.
  • The jacked factory supplement is free of flavor, making it suitable to add to any drink of your choice without changing the taste.
  • Like all Jacked Factory products, the supplement is lab-tested to ensure that it is safe for consumption and is effective in boosting your health.
  • The Jacked factory l-glutamine supplement comes with a policy of giving you your money back if you are unsatisfied with the product in any way.
  • This supplement contains only one ingredient, glutamine. This allows for maximum absorption and effectiveness of the supplement.

Among the essential monomers for protein synthesis, L-glutamine, a conditionally essential amino acid it’s important for numerous functions in the body.

This naturally occurring amino acid is needed with other amino acids to support skeletal muscles; it also restores muscle glycogen stores during the entire exercise process.

Our body naturally produces this protein monomer; however, there can be times when you may need an extra boost of glutamine.

The Jacked Factory’s fermented L-glutamine supplement has numerous benefits.

It assists in supporting the integrity of the gastrointestinal tract.

The amino acid supplement speeds up the recovery of muscles and also improves the body’s immunity system.

It is a powerful and effective supplement that benefits the body’s overall health.

The supplement is formulated as a glutamine powder.

As the powder is completely free of any flavor, it can be added to your drink of choice, and it will not alter the flavor of the drink.

This makes it easy to use the supplement in a protein shake or coffee.

The daily l-glutamine dosage of this amino acid supplement, as recommended by Jacked factory, is one scoop of the powder in the drink of your choice.

It can be taken during or before you begin your workout to boost your energy levels.

It can also be taken after a workout to speed up the recovery of muscles.


  • It has a money-back guarantee.
  • It is a budget-friendly supplement.


  • It is not vegan-friendly.
  • It is not travel-friendly.

3) Transparent Labs BCAA

Transparent Labs Glutamine

Transparent Lab is a business that creates supplements.

They sell numerous supplements that cater to almost every health and fitness need you can think of.

As their name indicates, the supplements they create have complete transparency.

Nothing goes into these supplements that the consumers do not know about.

They have numerous products that cater to a variety of needs regarding health and wellness.

They sell supplements that boost different protein monomers, assist you in building muscle tissue, and even supplements that improve weight loss.

They also have a quiz on their site that can help you find the right product for your health needs, saving you the job of searching through various supplements.

All of the transparent Lab’s products are held to high standards of quality and effectiveness.

Their products are completely free of artificial colorings, sugars, and preservatives.

Additionally, their products are free of gluten and non-GMO.

This reduces the occurrence of adverse reactions to their products.

Among their list of products is their BCAA Glutamine protein powder which is a part of their Core series.

Like all transparent lab products, this supplement effectively boosts your health and is created to be among the best-quality supplements available in today’s market.

Key Benefits

  • The ingredients used in this amino acid supplement are selected after extensive scientific research that ensures that these ingredients are safe and effective.
  • Like all transparent lab supplements, this supplement is free of artificial sugars, preservatives, and colorings.
  • This supplement is non-GMO certified and free of gluten, which, combined with the supplement being free of artificial substances, makes it unlikely to cause adverse effects.
  • This supplement is made from combined glutamine and BCAAs, benefiting the body’s overall health.
  • The supplement is available in flavors such as tropical punch, blue raspberry, orange, strawberry lemonade, green apple, and sour grape.

This supplement’s health benefits are numerous because it contains l-glutamine and BCAA.

While these essential protein monomers are produced in the body, it can be necessary to provide your body with a boost to maximize the effects of these amino acids on the body’s systems.

Combining pure l-glutamine, valine, leucine, and isoleucine (the BCAAs) improves muscle recovery after intense exercise.

They are also key in increasing the production of proteins, decreasing the feeling of fatigue and muscle soreness, and increasing glucose metabolism.

Additionally, the supplement improves the body’s immune system and assists in boosting overall health.

This optimum nutrition glutamine supplement is available in powder formulation in several different flavors.

This makes it easier to increase pure glutamine levels as you do not have to drink bland, tasteless glutamine powders, and you can change flavors so you do not get bored with the same thing daily.

The best way to take this l-glutamine is by adding a single scoop of the powder to 10-12 ounces of water or any other liquid like a juice or shake.

It can be taken before you begin an intense workout or during your workout.

For days you are recovering, it is best to take the supplement in the morning to boost healing.


  • The supplement is available in numerous flavors.
  • It contains BCAAs that boost overall health.


  • The supplement can not be added to any drink.
  • The supplement is not vegan-friendly.
  • It is an expensive supplement.

4) Bulk Supplements N-Acetyl L-Glutamine

BulkSupplements N-AcetylL-Glutamine

Among some of the most well-known fitness supplement industry companies is Bulk supplements.

As their name suggests, Bulk supplements carry a large bulk of supplements for various other health and wellness needs.

No matter what health journey you are on or what supplement you need, Bulk supplements have you covered.

Bulk Supplements is based in Henderson, Nevada.

They have over 500 supplements that they ship both in the United States and to other countries worldwide.

Depending on your personal needs, their products can be purchased in bulk or smaller packages.

Additionally, the company is entirely online, so you can supplement shopping from the comfort of your home.

Bulk supplements as a business are incredibly conscious of the products they create and sell, which is why all their supplements are religiously tested before they are sold.

They ensure that their supplements are safe for consumption and made from the highest quality of ingredients and effects.

Among their many supplement options is their N-Acetyl Glutamine supplement.

Like all their products, this supplement is formulated to be safe and effective.

You can order the supplement directly from their sight.

Moreover, if you place your order before noon PST your order will be shipped the same day.

Key Benefits

  • The supplement comes in numerous sizes, from 100 grams to 25 kilograms, allowing a wide range of options to increase your glutamine levels.
  • Bulk supplement’s glutamine supplement can also be purchased as glutamine capsules, and there are gelatine capsules and vegetarian capsule options if you do not want to buy the powder version.
  • The pure glutamine in its powder formulation has no flavor, making it easy to add to any drink without worrying about changing the taste.
  • Like all Bulk Supplement products, the supplement is vigorously tested in their labs to meet quality and safety standards.
  • If you place your order for this supplement before noon PST, it will be shipped to you the same day, so you can get your product faster.

This supplement is a powder form of pure glutamine, a conditionally essential amino acid for the smooth running of many body systems.

While the human body can create glutamine, this supplement provides glutamine supplementation that maximizes the benefits of glutamine on the body.

This supplement also replenishes any glutamine that is used during the day.

Glutamine is an abundant amino acid that helps increase the production of proteins in your body, which can then be used to increase lean muscle mass.

Protein production also improves the body’s ability to heal muscles after tearing and damage after workouts.

Glutamine has other benefits, as well as improving muscle mass and muscle repair. It assists in improving the health of the digestive tract.

It improves the body’s immune function and improves overall health.

This amino acid plays a role in the production of human growth hormone (HGH).

The N-acetyl form of this supplement makes it easier for the body to absorb glutamine, even for those with a leaky gut, which increases its effectiveness.

The supplement is available in powder formulations ranging from 100 grams to 25 kilograms.

It can also be purchased in the capsular form in gelatine and vegetarian glutamine capsules.

This makes the supplement more accessible and easier to buy, depending on how much glutamine you require.

The supplement should be taken three times daily on an empty stomach, as the company recommends.

The powder and capsule forms make it easy to add the supplement to your diet, as they contain the maximum amount of l-glutamine per serving.


  • This supplement is available in powder and capsule form.
  • This glutamine supplement is not expensive, unlike other glutamine supplements.


  • It is not vegan-friendly.
  • It needs to be taken on an empty stomach.

5) VivaStix Muscle

The creators of VivaStix were weary after decades of reading nutrition labels and sorting through deceptive claims like “evaporated cane juice” (better known as sugar) to find supplements that matched their lifestyles.

The list continues on and on leftover animal (and human) parts, aspartame, sucralose, needless sugar, and so on.

Why is it so difficult to discover a supplement company that never uses harmful ingredients? They decided enough was enough, and so VivaStix was created.

VivaStix decided that they would never take the easy way out.

All of their supplements would be created with quality ingredients that were both safe and effective.

They care about what you put into your body and ensure that their supplements benefit your health.

Not only do they ensure the ingredients they use are effective, but they also focus on their packaging.

Their supplement comes packed in a way that removes the need to measure the right amount of powder to add to your drink.

Additionally, they do not sell capsules because nobody enjoys swallowing giant pills daily.

Their BCAA pure l-glutamine powder is just the starting for VivaStix.

This supplement is their gateway into the world of supplements.

It has been created exactly as VivaStix promised, with safe and effective ingredients.

Key Benefits

  • This supplement has been created as per the standards that VivaStix holds itself to; it is made from safe and effective ingredients.
  • This supplement comes as a powder rather than capsules, making it easier to consume.
  • This VivaStix supplement does not only contain glutamine but also contains other amino acids (BCAAs).
  • This supplement does not contain any artificial ingredients, sucralose, or sugars.
  • The supplement comes as a prepacked powder in individual packets, saving you the time to measure the right amount of powder.
  • The powder is available in one flavor, cheery limeade.
  • The supplement is free of dairy, non-GMO corn, and gluten.

This supplement has been created to provide maximum comfort while meeting your health and fitness goals.

This supplement contains L-glutamine, isoleucine, valine, and leucine (BCAAs), all of which are essential for the smooth running of the body’s systems.

Pure l-Glutamine powder and the BCAAs combine to maximize the benefits of l-glutamine supplements.

They increase the production of proteins which are then used to increase muscle gain and reduce the effects of muscle catabolism.

These proteins are also vital for other functions in the body.

These l-glutamine peptides also help increase the production of human growth hormones.

Pure l-Glutamine powder is beneficial for improving glutamine intake, the digestive system’s health, a leaky gut, and the body’s immune functioning combined with the BCAAs helps to improve glutamine stores and the overall health of the body.

Additionally, the supplement is completely free of artificial ingredients, flavoring, and sugars, so you can rest assured that you are consuming essential and good ingredients.

VivaStix l-glutamine powder can be used during, before, or after an intense workout.

It can also be used between meals and the morning before breakfast; the choice is yours.

Moreover, you do not have to worry about measuring out the exact amount of powder of this formula as it comes in prepacked sachets with the exact amount of pre-measured l-glutamine per serving for optimum nutrition.


  • The l-glutamine powder comes in pre-measured sachets for optimum nutrition and to maximize the amount of l-glutamine per serving.
  • It is free of artificial sugars and ingredients.


  • It is not flavorless, making it harder to add to any drink.
  • It is not vegan-friendly.

6) Bulk Supplements L- Glutamine

BulkSupplements L-Glutamine

Bulk Supplements is one of the most well-known supplement providers.

As the name implies, Bulk Supplements provide a huge quantity of supplements for numerous needs regarding health and fitness.

Bulk supplements have you covered no matter where you are on your health journey or what supplement you may require.

Bulk Supplements is a Nevada-based company. They sell over 500 supplements and deliver them to customers in the United States and worldwide.

Depending on your demands, their products can be purchased in bulk or smaller quantities.

Furthermore, because the firm is online, you can find the right supplement for you without having to leave home.

Bulk Supplements is extremely conscientious about the goods they develop and offer, which is why each supplement is rigorously tested before being released.

They ensure that their supplements are safe, effective, and created with high-quality ingredients.

The L-Glutamine powder is just one of their numerous supplement choices.

Like all of their products, their l-glutamine supplements are designed to be both safe and effective.

The supplement may be ordered directly from their website. Furthermore, if you submit your order before noon PST, it will be sent the same day.

Key Benefits

  • This l-glutamine powder supplement can be purchased in bulk or in smaller quantities, from as little as 100 grams to a massive 25 kilograms.
  • The l-glutamine powder can also be found in capsule form; you can choose from 100 to 300 capsules.
  • The l-glutamine powder formulation of this supplement is free of any flavorings, making it easy to add to any drink.
  • Like all of Bulk Supplement’s dietary supplements, the l-glutamine powder supplement is extensively tested in their labs to guarantee that quality and safety requirements are fulfilled.
  • If you order your l-glutamine supplements before noon PST, they will be sent the same day, allowing you to receive your product sooner.

This optimum nutrition glutamine supplement is a powder version of l-glutamine, an essential amino acid that keeps many of the body’s processes operating smoothly and improves your glutamine stores.

While our bodies are capable of producing glutamine, this supplement gives it a boost, maximizing glutamine’s health advantages.

This supplement also restores any l-glutamine that may have been depleted over the day.

Pure glutamine is an amino acid that helps your body produce more proteins, which may subsequently be utilized to build muscle mass.

Protein synthesis also aids the body’s capacity to repair muscles that have been torn or damaged as a result of exercise.

In addition to increasing muscle tissue growth and regeneration, glutamine offers several other advantages.

It aids in the improvement of digestive tract health, such as a leaky gut.

It boosts the body’s immune system and boosts general health.

The supplement’s powder form is available in various sizes ranging from 100 grams to 25 kilograms.

It’s also available in capsule form, from 100 to 300 capsules. This increases the supplement’s accessibility as you can choose whichever option suits your needs more.

Both supplement forms, powder or capsule, make it easy to make it a part of your diet.

They contain the exact amount of l-glutamine per serving your body needs.

Regardless of how much glutamine you think you need, it is recommended that the supplement be taken before a workout, once or twice a day.


  • The supplement is available in powder and capsule form, making it easy to maximize the amount of l-glutamine per serving.
  • It can be shipped on the same day if the order is placed before noon PST.


  • It is not suitable for vegans.

7) Now Supplements L-Glutamine

NOW L-Glutamine

Since 1968, NOW has been a family-owned business that offers high-quality natural goods at affordable rates.

They are a well-known natural goods company to deliver high-quality products and services that help people live better lives.

They offer products for almost every wellness and fitness needs you can imagine.

Key Benefits

  • L-glutamine, the most prevalent amino acid in this supplement, improves gut health and immunity and boosts muscle growth, muscle soreness, and repair.
  • This supplement is vegetarian-friendly.
  • It is free of flavor.
  • The supplement is gluten-free, halal, soy-free, and nut-free.
  • Pros
  • The supplement is vegetarian-friendly.
  • The capsules are easy to swallow.
  • It is free of flavor.


  • It is made in a factory that uses ingredients like soy and gluten.


We have created a list of some of the best l-glutamine supplements on the market that support muscle growth.

These l-glutamine supplements listed are safe and effective.

They improve muscle gain and muscle recovery, as well as improve immunity and intestinal health.

So, look no further if you are looking for effective l-glutamine supplements. These products ensure you are glutamine supplemented through more than just glutamine-rich foods.

Frequently Asked Questions (FAQs)

What is the benefit of l-Glutamine?

l-Glutamine being the most abundant amino acid has numerous benefits. L-glutamine plays a role in muscle growth, and repairing muscle breakdown also improves immunity and gut health.

Are these supplements safe?

Yes, these pure l-glutamine supplements are completely safe; as long as they are used as directed by the company, they will provide you with optimum nutrition.

Do these supplements work?

When these l-glutamine supplements are combined with a healthy diet and exercise, they effectively boost muscle growth, provide optimum nutrition, and improve overall health.