Best Glutamine Supplements – Top 10 Brands Ranked for 2018

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Jump Ahead to the Top 10 Glutamine Products

Staying fit and healthy is a lifelong pursuit, and something that requires a lot of time, effort and discipline. There are many factors involved in overall health, including your diet, your exercise habits, and your mental state and wellbeing. Being a healthy person is no easy task, but it’s something that each and every one of us should strive to work towards.

Exercise is certainly a key factor of overall health, and many studies have shown that with proper exercise, maintaining a good diet and good mental health become easier. If you’re reading this guide, chances are you’re interested in health and fitness and you’re looking for a way to improve your results.

Well, you’ve come to the right place! On this website we explore in detail all the various supplements that can help you on your path to better health. Today, we’re here to talk about glutamine supplements, which are simply supplements containing the amino acid L-Glutamine. Let’s dive right in and learn the details of this supplement!

What Are Glutamine Supplements?

Glutamine supplements are products containing the amino acid L-Glutamine. Glutamine is found naturally in the body. In fact, it’s the most common amino acid found in your muscle tissues, and it plays a key role in the health of your muscles.

All amino acids, including glutamine, are considered “the building blocks for proteins”. Simply put, amino acids are compounds that combine to form proteins, and proteins are what allows our bodies to build and maintain muscle. And since L-Glutamine is the most prevalent amino acid found in muscle tissue (over 60% of skeletal muscle is made up of L-Glutamine), the relationship between glutamine and healthy muscles has been the subject of study.

The amino acid plays a role in protein synthesis, the process your body goes through in order to effectively use protein. It also has anti-catabolic properties. For weightlifters and athletes, glutamine is mainly used as a recovery supplement.

All the many benefits of glutamine, which we will discuss in detail below, are offered by both the naturally occurring amino acid (produced naturally in your muscles), and the glutamine supplements we’re here to talk about today.

So, if L-Glutamine is produced naturally in the body, why do you need supplements? Because during intense exercise, glutamine stores are burnt up, lowering your natural glutamine levels. Your levels will slowly come back to normal, but that can take several days. By adding a good glutamine supplement to your diet, you can immediately replace those lost nutrients, thereby speeding recovery and keeping your muscles happy.

Benefits of Glutamine Supplements

We often get the question, what does glutamine do? What are the glutamine benefits that you should be aware of? Well glutamine supplements are primarily used as tools to aid in recovery post-workout, but in reality they offer a ton of different benefits.  Depending on your body type and exercise habits, the specific benefits you will experience will vary, but the research on the benefits of glutamine is very positive.

Who Can Benefit From Glutamine?

Because these products offer so many different benefits, a wide range of people can experience positive results from taking glutamine. Below, find the key groups who will experience the most beneficial results:

  • Weightlifters – the #1 group of people who should be taking glutamine are bodybuilders and weightlifters. As we mentioned before, the muscles naturally produce and store large amounts of L-Glutamine. However, during intense exercise, these stores are depleted. Supplementation can quickly and efficiently replace these levels, restoring a natural balance. Glutamine can help decrease post-workout recovery time, and ensure that your muscles have what they need to heal and rebuild.
  • Runners/endurance athletes – anyone who likes to run long distances or compete in any sort of endurance sports can benefit from glutamine. First off, the top glutamine products can help your muscles recover faster. Also, the amino acid has been shown to strengthen the immune system. Endurance sports temporarily weaken your immune system, so it’s important to do all you can to support your immune health if you like to run marathons or complete similar endurance activities.
  • Anyone looking to lose weight – glutamine has been shown to increase HGH secretion, which can help to burn more fat, both during exercise and rest periods. It may also help to reduce sugar and carb cravings in some individuals.
  • Men & women – both men and women can experience significant glutamine benefits. Unlike some supplements, these are not gender-specific, and can be beneficial for most people. Generally, we do not recommend taking ANY sort of supplement if you’re under 18 or without talking to your doctor first, but other than that most people can benefit from proper supplementation.

Are There Any Side Effects?

Most, if not all, supplements have some sort of negative side effects that you should be aware of. Glutamine is no exception. While the vast majority of people will not experience any negative effects, there are still some potential glutamine side effects to look out for, including:

  • Gastrointestinal issues, including gas, nausea, vomiting, etc.
  • Muscle or joint pain
  • Headaches, dizziness or tired feeling
  • Mild rash or itching

This is not a complete list, as many potential side effects are possible depending on your body and the other medications/supplements you are taking. The potential for negative effects when taking glutamine supplements is fairly low, as long as you follow the dosing instructions and do not take too much.

Lastly, those with kidney disease or liver disease should generally NOT take glutamine supplements. Speak to your doctor if you’re unsure.

As with any supplement, it’s important to follow dosing instructions and never take more than recommended. Which leads us to our next section.

How To Take Glutamine

If you’re wondering how to take glutamine or when to take glutamine supplements, this is the section for you. First off, we always recommend following the instructions listed on the product packaging, at least when it comes to quantity. Do not exceed the daily recommended amounts unless otherwise instructed by a doctor.

As for when to take glutamine supplements, that depends on your reason for using them. If you’re a weightlifter or athlete, a good time to take your dose is 30-60 minutes after working out, to help quickly replenish lost glutamine stores. Another good time is right before bed, and right after waking up. Before bed is ideal because you increase HGH production while sleeping, and upon waking your muscles have been without nutrients for a solid 6+ hours.

If you’re wondering about glutamine dosage, most products list the serving size as around 5 grams.

Some fitness writers recommend taking 20-30g of glutamine a day. We don’t recommend you immediately begin taking such large doses, but rather work up slowly. Also, you won’t need as much on days you don’t workout, so keep that in mind. It is not recommended to take more than 30g a day in order to stay on the safe side.

Lastly, keep in mind that L-Glutamine is commonly added to various fitness supplements, including pre-workouts, post-workouts, and more. When calculating how much you should take, consider where else you may be getting this amino acid from. If you’re taking other fitness supplements, check the label to see if any glutamine is included.

And to clarify, we urge you to always speak with your doctor before taking any supplements featured on this website.

What to Look for in a Good Glutamine Product

In order to find the most effective glutamine supplement for you, there are several factors to consider. Let’s explore the things you should look for when choosing a product.

  • Amount of glutamine – first things first, take a close look at the label of the product you’re considering to determine the amount of glutamine in each serving. Most products will contain a 5g serving size, while some are put into capsules and have smaller sizes (1g). Obviously the amount is important, as L-Glutamine is the key ingredient in these supplements.
  • Other ingredients – what else is in the product? Many top glutamine supplements will only contain L-Glutamine, but other products may contain a blend of ingredients intended to help boost the benefits of the supplement. BCAAs and other amino acids are common additions. Keep these extra ingredients in mind when making your decision. Depending on your needs and the current supplements you’re already taking, you may or may not need a product with additional ingredients.
  • Brand quality – who makes it? Are they a well known and respected company? On the list below, we only considered products from top quality companies – but, if you choose to shop elsewhere, do some research to determine who you’re buying from and what kind of company they are!
  • Flavor – some products are flavorless, some are flavored. Pay attention to this, as it may affect your desire to actually consume the product! If in doubt, go with a flavorless version, or a version that’s prepackaged in capsules. Otherwise, read glutamine reviews to determine how people like the taste of various products.
  • Value for money – lastly, consider the cost of the supplement. More specifically, consider the per serving cost of each supplement you’re considering. It’s not enough to just check the price of the container itself, as the number of servings per package varies greatly. Find a good, high quality product at a reasonable price, and you’re good to go!

Top 10 Glutamine Products Compared

Heads up, there are affiliate links in this article, so if you buy something, we get a cut of the sale.


1. Transparent Labs CoreSeries BCAA Glutamine

transparent-labs-CoreSeries-BCAA-Glutamine

Transparent Labs CoreSeries BCAA Glutamine is one of the best glutamine supplements on the market today. With 5g glutamine and 8g of BCAAs per serving, this powerful product combines proven products to produce the ultimate glutamine supplement. And, like every Transparent Labs product, this supplement is completely free of dyes, fillers and harmful additives. It’s a very clean, potent and effective product.

Highlights:

  • 5g glutamine per serving
  • 8g BCAAs in 2:1:1 ratio
  • Free of dyes, additives and fillers
  • Excellent value for money
  • Available in Green Apple and Blue Raz flavor

Who makes it: This product is made by Transparent Labs, one of the best supplement manufacturers in the industry. Their name comes from their desire to be completely transparent about their products – offering detailed and complete ingredient lists, refusing to use fillers, dyes and other junk, and ensuring the utmost quality possible. Overall, Transparent Labs is one of our favorite sports supplement brands – their product quality, value for money and customer service are unrivaled.

What’s in it: One serving contains:

  • 5g L-Glutamine, which helps aid in post-workout recovery.
  • 8g BCAA (2:1:1 ratio). The three branched chain amino acids are L-Leucine, L-Valine and L-Isoleucine. These three BCAAs work together to offer powerful properties.
  • 1000mg coconut water powder, which is a natural source of electrolytes which can help to rehydrate you.

Bottom line: Overall, if you’re looking for the top glutamine supplement on the market, this may be it! By combining glutamine and BCAAs, Transparent Labs has really produced one of the best blends out there. CoreSeries BCAA Glutamine provides excellent value for money, top quality ingredients, and a very simple yet effective formula.

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2. Optimum Nutrition Glutamine Capsules

Optimum-Nutrition-Glutamine-Capsules

Optimum Nutrition Glutamine Capsules are high quality, simple and effective glutamine supplements made by one of the best-known names in the business. With 1g of L-Glutamine in each capsule, these pills provide a very simple and convenient way to get your daily dose of this helpful amino acid. Plus, the high quality ingredients and top notch efficacy make this product one of our top recommendations.

Highlights:

  • 1g glutamine per serving
  • In capsules for easy use
  • No mixing or blending required
  • High quality ingredients
  • Excellent value for money
  • Made by Optimum Nutrition

Who makes it: This product is made by Optimum Nutrition, one of the biggest and best companies in the industry. Having been in business since 1987, ON has decades of industry experience. They’ve mastered the techniques required to produce the highest quality fitness supplements possible. In recent years, their products have won several awards, and their “Gold Standard” product line truly sets the standard for quality and consistency in an industry crowded with mediocre products.

What’s in it: One serving contains:

  • 1g L-Glutamine. In capsule form for ease of use. Glutamine is a key amino acid.

Bottom line: Overall, these are one the best glutamine pills products out there and provide the most convenient way of taking this helpful supplement. No need to blend a shake or mix a powder with water – simply swallow a capsule or two and you’re good to go! Plus, ON is one of the best names in the business, having proved their commitment to producing high quality products time and time again.

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3. BSN Glutamine DNA

BSN-Glutamine-DNA

BSN Glutamine DNA is a sophisticated and highly effective supplement made by BSN. Using 100% micronized glutamine, this advanced supplement absorbs and digests easily, making the most of each dose to deliver the maximum benefits. And with a full 5g of glutamine in every dose, this product has everything you need to recover properly. Plus, it’s unflavored, so it’s easy to mix into any shake or other drink.

Highlights:

  • 5g glutamine per serving
  • Unflavored for easy mixing/stacking
  • Micronized for better digestion
  • Great value
  • Easy to add to your post-workout protein shake (unflavored)
  • Good value for money

Who makes it: This product is made by BSN, otherwise known as Bio-Engineered Supplements and Nutrition. This popular and award-winning company has made a name for itself in the industry by consistently producing high quality, highly effective fitness supplements. From pre-workouts to protein, BSN has it all.

What’s in it: One serving contains:

  • 5g glutamine, micronized for better digestion. This comes in the form of an unflavored powder, so it’s easy to mix into a protein shake, water, or any other beverage.

Bottom line: Overall, this is a strong glutamine supplement and a great value for the money. The fact that it’s micronized is great news, as this allows the amino acid to be more fully digested in your system, leading to greater efficacy. We also like that it’s unflavored, making it easy to mix into whatever beverage you desire. And, coming from a name like BSN, you can have faith in this product!

4. MusclePharm Glutamine

MusclePharm-Glutamine

MusclePharm Glutamine is an advanced supplement containing a blend of 3 different types of glutamine. Designed for maximum efficacy and efficiency, this product is easily absorbed and provides an array of benefits. By using a unique blend of ingredients, MusclePharm has created a supplement that provides all the benefits you’d expect, plus the added benefits of improved absorption, and more.

Highlights:

  • 5g glutamine per serving
  • Uses a blend of L-Glutamine, glutamine peptides, and Alanyl-L-Glutamine
  • Unflavored for flexibility of use
  • Good value for money
  • Made by a trustworthy company

Drawbacks:

  • The efficacy of glutamine peptides and Alanyl-L-Glutamine have not been studied as thoroughly as standard L-Glutamine.

Who makes it: This product is made by MusclePharm, one of the largest and best companies in the fitness supplement industry. This relatively new company, founded in 2008, has quickly rose through the ranks of the industry to become a recognized leader. Today, having won multiple awards and earned the respect of the fitness community, MusclePharm products are now available worldwide.

What’s in it: One serving contains:

  • 5g glutamine blend, consisting of L-Glutamine, glutamine peptides, and Alanyl-L-Glutamine. A blend is used for improved absorption, although it should be noted that these unique forms of the amino acid have not been as widely studied as the standard.

Bottom line: Overall, this is a great product at a great price – and from a great company! Its unique blend makes it a must-try for anyone seeking to try out the latest cutting-edge products. And it comes from MusclePharm, one of our favorite supplement manufacturers.

5. Universal Nutrition Glutamine Optimum Cellular Recovery

Universal-Nutrition-Glutamine-Optimum-Cellular-Recovery

Universal Nutrition OCR is a powerful glutamine supplement made by one of the biggest brands in the supplement universe. Containing 5g of pure glutamine and nothing else, this effective and affordable supplement is a great choice. It’s also a highly affordable option, plus it’s unflavored so you can mix it with whatever you’d like!

Highlights:

  • 5g glutamine per serving
  • 100% pure
  • Very affordable
  • Great value for money
  • Unflavored for easy stacking

Drawbacks:

  • No unique ingredients or additions

Who makes it: This product is made by Universal Nutrition, a long-standing icon of the supplement industry. Founded almost 4 decades ago in 1977, Universal Nutrition has an impressive track record of bringing high quality, effective products to market.

What’s in it: One serving contains:

  • 5g L-glutamine

Bottom line: Overall, this is a great option for those looking for an affordable, simple product. There are no frills or fancy ingredients in this supplement, but it does exactly what it’s supposed to. On a per-serving basis, this is one of the cheapest glutamine supplements out there, but it’s still very high quality.

6. EVL NUTRITION GLU+

EVL-NUTRITION-GLU-glutamine

EVL Nutrition GLU+ is a potent supplement containing 5g glutamine per serving, with added vitamins and antioxidants for additional support. This advanced blend is designed to help you meet your glutamine needs.

Highlights:

  • 5g glutamine per serving
  • Added antioxidants & vitamins
  • Made by a great company
  • Good value for money

Drawbacks:

  • Only available in one flavor (Blue Raz)

Who makes it: This product is made by EVL Nutrition, a relative newcomer to the supplement industry. Founded just a few years ago in 2013, EVL has exploded in popularity, going on to win several industry awards and building a huge following of fans. Otherwise known as EVLUTION Nutrition, this company has nowhere to go but up!

What’s in it: One serving contains:

  • 5g L-Glutamine
  • Vitamins & antioxidants, including vitamin A, C, E and B6. These ingredients are added to enhance the efficacy of the supplement and provide support to your body.

Bottom line: Overall, this is a powerful glutamine supplement at a reasonable price, that comes from a great company! The addition of vitamins to this blend is a unique attribute, although most people get enough of these nutrients from their daily diets. The only real downside is that it’s only available in one flavor (blue raspberry, last time we checked).

7. Dymatize Micronized Glutamine

Dymatize-Micronized-Glutamine

Dymatize Micronized Glutamine is a simple but highly effective supplement. With 4.5g of L-Glutamine in each serving, and with a micronized formula for easy absorption and digestion, this product gets to work fast and produces results. Plus, it comes from a highly reputable and well known brand!

Highlights:

  • 5g glutamine in each serving
  • Micronized for better absorption
  • Simple and effective
  • Unflavored for easy mixing/stacking
  • Absorbs fast
  • Good value for money

Drawbacks:

  • Less glutamine per serving than average

Who makes it: This product is made by Dymatize Nutrition, a large and well established supplement manufacturer. Founded in 1994, Dymatize now has more than two decades of experience in bringing top quality products to market. Over the years, they’ve developed a wide range of products, and have built up a loyal following of customers and fans – and for good reason!

What’s in it: One serving contains:

  • 5g L-Glutamine

Bottom line: Overall, Dymatize offers a good product, as usual. The fact that this supplement is micronized a big plus, as that allows it to be absorbed more rapidly and completely. The only downside is that there is a bit less active ingredient per serving compared to the average, but it’s not a huge difference.

8. Betancourt Nutrition Glutamine Plus

Betancourt-Nutrition-Glutamine-Plus

Betancourt Nutrition Glutamine Plus is a potent glutamine supplement made by a reputable company. Containing a solid dose of key amino acid glutamine in every serving. Plus, added L-Alanine helps this supplement be even more effective.

Highlights:

  • 3g glutamine per serving
  • Uses a unique blend
  • Added L-Alanine (helps with hydration & recovery)
  • Available in two tasty flavors

Drawbacks:

  • Expensive

Who makes it: This supplement is made by Betancourt Nutrition, a Florida-based supplement manufacturer. Betancourt aims to be a one-stop shop for all your health & fitness needs, providing cutting-edge supplements, health products, and more.

What’s in it: One serving contains:

  • 3g proprietary blend, consisting of L-Glutamine, L-Alanine, L-Alanyl-L-Glutamine, Glutamine peptides and more. This is a powerful blend of amino acids.

Bottom line: Overall, this is a solid product that delivers results. The blend of ingredients it uses is designed for maximum efficiency, and we believe this is a good choice for anyone looking for a good glutamine product. With that being said, it is a bit on the expensive side, so you might consider some of our top recommendations instead.

9. BPI Sports Best Glutamine

BPI-Sports-Best-Glutamine

BPI Sports Best Glutamine is a high quality supplement made by a very well known fitness supplement manufacturer. With a blend of several types of glutamine, this advanced formula absorbs quickly and can provide impressive results. And coming from a known company like BPI Sports, you can trust that this is a quality product.

Highlights:

  • 5g glutamine per serving
  • Uses a blend of different types of glutamine
  • Added vitamin C
  • Digests quickly
  • Available in several flavors

Drawbacks:

  • A bit expensive

Who makes it: This product is made by BPI Sports, a large scale manufacturer of fitness supplements. Founded in 2010 by a team of industry experts and fitness enthusiasts, BPI has quickly grown into a dominant force in the supplement industry. They currently offer an impressive lineup of more than 10 different highly effective sports supplements, and continue to release additional products.

What’s in it: One serving contains:

  • 5g glutamine (proprietary blend), consisting of L-Glutamine, Glutamine Alpha-Ketoglutarate, Glutamic Acid, N-Acetyl-L-Glutamine, and more. This blend is designed to provide glutamine benefits while also enhancing absorption and digestion.

Bottom line: Overall, this is a good product that offers a balanced blend of several types of this key nutrient. And it comes from BPI, a very well respected company. The only real downside is that it’s a bit expensive, and that it’s flavored which might make it more difficult to mix into other shakes and drinks.

10. AllMax Nutrition Micronized Glutamine

AllMax-Nutrition-Micronized-Glutamine

AllMax Nutrition Micronized Glutamine is a simple and effective glutamine supplement. Offering 5g of free-form L-Glutamine in each serving. Also of note, the glutamine in this supplement has been micronized for easier absorption.

Highlights:

  • 5g glutamine per serving
  • Micronized for easier digestion
  • Pharmaceutical grade ingredients
  • No other ingredients: just pure glutamine

Drawbacks:

  • More expensive than average

Who makes it: This product is made by AllMax Nutrition, a large supplement company focused on meeting the needs of the strength training community. With a wide range of products designed to help bodybuilders and athletes perform at their best, AllMax Nutrition provides great products at affordable prices.

What’s in it: One serving contains:

  • 5g micronized glutamine. Micronized for easier digestion.

Bottom line: Overall, this is a simple and good product. Its formula contains only one ingredient: pure micronized glutamine. If you’re looking for a basic, barebones product this is a good option. With that being said, it’s a bit expensive for what it is.

Final Thoughts

Now that you have learned all the details about glutamine, it’s time to decide and choose your supplement! Any product on this list would be a great choice – it’s only a matter of finding the right one for your needs & budget. If you have any questions, please let us know!

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