Best Glutamine Supplements Reviewed and Tested

Glutamine supplements are one of the most popular supplements among bodybuilders, weight lifters, and general gym goers, because they have been shown that L-Glutamine can help to minimise the body’s natural breakdown of muscle and improve protein metabolism. This combines helps you to build more muscle and develop that tight, toned body that you dream of.

We have put together some of the best glutamine supplement options, that are the best value of money and will provide you with the best results, so that you know exactly what you’re getting to help you improve your physicality.

Our Top 3 Picks

Jarrow Formulas L-Glutamine
  • Jarrow Formulas L-Glutamine
  • 5 out of 5
    Our rating
  • Supports muscle tissue
  • Price: See Here
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Now Foods L-Glutamine
  • Now Foods L-Glutamine
  • 4.6 out of 5
    Our rating
  • GMP Quality glutamine
  • Price: See Here
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Optimum Nutrition Glutamine
  • Optimum Nutrition Glutamine
  • 4.2 out of 5
    Our rating
  • Minimizes recovery time
  • Price: See Here
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1. Jarrow Formulas L-Glutamine 1000 g

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Number 1 on our best glutamin supplement list, Jarrow Formulas L-Glutamine Supplement is another powder formed supplement of pharmaceutical grade L-Glutamine that supports healthy muscle tissue and immune function.
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It supports the body’s natural muscle growth and development and keeps you better hydrated and working efficiently.

Jarrow Formulas L-Glutamine is totally vegan and free from nuts and soy, so it is totally free from many different allergens, so it can easily be used for a lot of different dietary requirements and specific digestive needs.

Jarrow Formulas L-Glutamine is suitable for both professional athletes and regular gym goers in order to get the best results from their work out, speed up their recovery and speed up their results.

L-Glutamine can be one of the best glutamine supplement products to help aid your body in both muscle growth and to help you in stressful times.

L-Glutamine is considered an essential amino acid in many scientific spheres, as it helps to build muscle naturally and safely, and reduce the amount of muscle being broken down to use as fuel for your body. This helps to support your body in the growth of muscle so that you can sculpt the body that you want.
Pros
  • 100% vegan
  • Nuts and soy free
  • Allergen free
Cons
  • Somewhat expensive

2. Now Foods L-Glutamine Double Strength 1000 mg

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Now Foods L-Glutamine Double Strength Protein Supplements is a scientifically developed free form supplement of L-Glutamine, which is considered an essential amino acid in many different scientific spheres.
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This helps to maintain a positive nitrogen balance in the body and helps to aid in the rapid growth of cells and muscle tissues in the body.

Now Foods L-Glutamine Double Strength Protein Capsules are a GMP Quality glutamine supplement that contains no allergens in its production, however the capsules do contain gelatine in the gel production of the capsule.

Now Foods L-Glutamine Double Strength is taken between once and three times each day, giving around 120 servings in each carton, so it should last you between a month to three months.
Pros
  • GMP certified
  • Allergen free
  • Great price value
Cons
  • Not suitable for vegetarians and vegans

3. Optimum Nutrition Glutamine Powder

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Optimum Nutrition Glutamine Powder Supplement is one of the best supplements on this list for physical nutrition to improve performance, minimise recovery time, and build as much muscle as possible.
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The Optimum Nutrition Glutamine Supplement gives you incredible amounts of protein, more than you would receive from 4 large eggs or 4 ounces of beef, which is great for your physical development.

Each portion of Optimum Nutrition Glutamine Powder Supplement is only 5g, so there are nearly 200 servings in each container, giving you a huge amount of supplement. This amount of protein helps to improve your body’s natural protein synthesis and supply your body with the nutrients that it needs to build up the perfect body.

Optimum Nutrition Glutamine Supplement contains no other allergens and other ingredients, which makes it suitable for more sensitive digestive systems and more specific dietary requirements.
Pros
  • Helps build muscle
  • Great amount of protein per serving
  • Free of allergens
Cons
  • Unsealed product

4. Muscle Pharm Glutamine Growth and Recovery Core Series

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Muscle Pharm Glutamine Growth and Recovery Core Series Supplement is a powder supplement that helps to shorten your natural recovery time and build muscle faster, so that you can get the best results from your workouts.
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Muscle Pharm Glutamine Growth and Recovery Core Series is a pharmaceutical grade L-Glutamine supplement that is the official nutritional supplement provider of The UFC.

The Muscle Pharm Glutamine Growth and Recovery Core Series Supplement is taken between once and twice daily for the best effects, and are best taken before and after your workouts. The supplement helps to rehydrate you, build your muscle and recover much faster than without such supplements.
Pros
  • Helps you build muscle faster
  • Helps you to recover faster
  • Hydrating formula
Cons
  • Contains glutten

5. Universal Nutrition Glutamine Recovery Supplement

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Universal Nutrition is one of the most popular brands in sports nutrition to help you to get the most out of your workouts and build the body that you are aiming for.
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Universal Nutrition Glutamine Recovery Supplement is one of the highest dosages of L-Glutamine supplements, making it perfect for high performing athletes and body builders who need the extra protein boost to build as much muscle as possible during a workout and minimise the natural deterioration od muscle to use as fuel.

Universal Nutrition Glutamine Recovery Supplement Powder is one of the highest grades of pharmaceutical grade amino acid supplements, and is very easy to take, with one teaspoon being one portion, and there are around 120 servings in each container, making the Universal Nutrition Glutamine Recovery Supplement excellent value for money.

Universal Nutrition Glutamine Supplement is a GMP certified supplement, however it is not totally free from different allergens due to the factory that manufactures the protein supplement. This is a major downside for those who have more sensitive digestive systems, or require certain dietary requirements.
Pros
  • Contains a higher dosage of L-Glutamine
  • Great price value
  • GMP certified
Cons
  • It's not completely allergen free

6. Country Life Iron-Tek Glutamine Powder

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Country Life Iron-Tek Glutamine Powder is another powdered form of L-Glutamine that should be taken between one and three times daily depending on your dietary requirements and workout schedule and intensity.
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There are around 100 servings in every container, which is an incredible value for money, giving you around 50 days worth of supplement.

The Country Life Iron-Tek Glutamine Powder is free from many different allergens, so it can be incorporated into the more delicate and sensitive of digestive systems, but also can be used for a variety of different diet plans. This is great if you are trying to stay away from different kinds of allergens.

Country Life Iron-Tek Glutamine Powder is a high quality supplement that supports optimum performance, reducing recovery time and aiding the body in developing muscle mass properly and efficiently by minimising the natural response to break down muscle mass t provide fuel for the workout.

Country Life Iron-Tek Glutamine Powder is GMP certified, vegan, and provides only the highest quality, clean supplements, so you can be sure that you are getting a top quality product. Country Life Iron-Tek Glutamine Powder is perfect for the high performing athlete, as well as the gym goer who wishes to get the most out of their workouts.
Pros
  • Free of allergens
  • Potent formula
  • Excellent price value
  • Suitable for vegetarians and vegans
Cons
  • Does not dissolve so well

7. USN Glutamine Pure Micronized Powder

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Another powdered form of L-Glutamine, USN Glutamine Pure Micronized Powder is the perfect dietary supplement to help aid your body’s natural processing of protein and cut down the amount of muscle that can be broken down after a workout and used as fuel.
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There are 60 servings in each container, making the USN Glutamine Pure Micronized Powder great value for money, as it will last for around a month. The USN Glutamine Pure Micronized Powder is best taken both before and after a workout to give your body all the protein that it needs in order to stop the breakdown of your muscle mass, and instead build the muscles more efficiently.

As well as supporting the proper development of muscle, the USN Glutamine Pure Micronized Powder supplement also helps to speed up your recovery time and improve your muscular endurance during workouts so that you can train harder for longer, achieving even better results.

The main drawback to the USN Glutamine Pure Micronized Powder is that it is not completely allergen free due to the fact that it is produced in a factory that also works with many allergens, and this can cause trace amounts of dairy, nuts, and wheat, so it is not suitable for sensitive digestive needs.
Pros
  • Speeds up the recovery time
  • Helps you build more muscle
  • Quality ingredients
Cons
  • It's not completely allergen free

8. Thorne Research L-Glutamine Powder

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Thorne Research L-Glutamine Powder provides your body with the most prevalent amino acid in the bloodstream in order to provide your body with the best L-Glutamine percentage for proper muscle development.
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The Thorne Research L-Glutamine Powder offers your body all of the amino acids that it needs to develop muscle, as well as support proper organ and immune health.

A lot of the L-Glutamine amino acids that your body is naturally provided with are very difficult to absorb, so the Thorne Research L-Glutamine Powder has been specifically formulated to help your body absorb as much as possible for the best results.

The Thorne Research L-Glutamine Powder is much different to capsule forms of L-Glutamine, as it is more like a protein shake that is taken between once and three times daily, depending on how much you work out and how strenuous it is.

There are 90 servings in each container, making the Thorne Research L-Glutamine Powder great value for money, as one carton will last for over three months.

The health benefits of L-Glutamine supplements are immense, and the Thorne Research L-Glutamine Powder is a great option for proper levels of nutrition, as many find it much easier to work a shake into their day, and remember taking it, rather than a supplement in tablet form.
Pros
  • Support for the immune system
  • Support for the vital organs
  • Great price value
Cons
  • None

9. Source Naturals L-Glutamine 500 mg capsules

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Source Naturals L-Glutamine Capsules are an amino acid supplement that helps to aid your body’s natural muscle and immune health.
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It is taken once daily in order to achieve the health benefits that you want from your diet and give you an added boost in your day-to-day life.

The Source Naturals L-Glutamine Capsules are gel capsules produced with gelatine, so they are not suitable for vegans and vegetarians, however they are also free from many other allergens, making them suitable for a lot of different dietary requirements for sensitive digestive systems.

There are 100 capsules in each container, so the Source Naturals L-Glutamine should last you for nearly four months, which is great value for money.

The Source Naturals L-Glutamine Capsules are not suitable for athletes of higher performance, as it does not provide as much protein that you would need from this supplement, but it is good to help give an added health boost for every day use and health benefits.
Pros
  • Great for immune health
  • Free of allergens
  • Great price value
Cons
  • Not suitable for vegetarians and vegans

10. Solgar L-Glutamine 1000 mg

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Solgar have been a well-established company since 1947, and have created some of the best and most extensive range of dietary supplements to help you get the most out of your diet.
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The Solgar L-Glutamine tablets are a totally natural muscle food that helps natural GI health and provides a source of fuel for your intestines, immune system and brain cells, regulating nitrogen transport from different muscle tissues and providing your body with a proper amino acid balance.

The Solgar L-Glutamine tablets are also specially formulated for maximum absorption and digestion. Simply take two tablets twice a day for the best results.

There are 30 servings in each container, which is great value for money, as the Solgar L-Glutamine tablets should last you for around a month.

The Solgar L-Glutamine tablets are gluten free, wheat free, and dairy free, and kosher parve, so they are suitable for vegans, coeliacs, and a wide range of other dietary requirements, so they can be fitted into anyone’s diet in order to get amazing results.

At fewer than 15 dollars, the Solgar L-Glutamine tablets are also great value for money, so you can get all of the health benefits without an enormous price.
Pros
  • Tablets formulated for a maximum absorption
  • Great price value
  • Quality ingredients
Cons
  • None

Decision Time

We hope that this list is helpful for you to find the right glutamine supplement options in both powder and capsule form so that you can find the best supplement that is quick and easy to fit into your diet and exercise regime for the best results.