Are you trying to find l glutamine nutritional supplements among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling l glutamine nutritional supplements on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 32 l glutamine nutritional supplements tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best l glutamine nutritional supplements you can buy today
- Amino acid/supports immune function: Glutamine is considered to be a conditionally essential amino acid, which means that under certain circumstances, the body may require more glutamine than it can produce. In that case, supplementing with glutamine may help with recovery of the amino acid in the body.
- Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
- Nitrogen transporter: In the body, glutamine functions as a major nitrogen transporter and is critical for the maintenance of healthy nitrogen balance.Store in a cool, dry place after opening
- Classifications/certifications: Halal, non-gmo, kosher, dairy free, egg free, made without gluten, nut free, soy free, vegan/vegetarian
- GMP quality assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968
- During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
- 5000mg of L-Glutamine Powder Per Serving (100 Servings)
- 1.1 Pounds (500G) of L-Glutamine Powder Per Bottle
- Vegetarian Friendly L-Glutamine Powder
- Non-GMO, Gluten Free, Soy Free
- Manufactured In a GMP Compliant, FDA Registered Facility
- 1000 milligram of pure l glutamine per 2 capsules
- Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
- Most abundant amino acid in the body
- Plays an important role in muscle protein development
- During prolonged periods of intense exercise, glutamine levels may be depleted
- Gastrointestinal Health: L-glutamine powder nutritionally supports the mucosal lining and healthy functioning of the gastrointestinal tract*
- Supports Lean Muscle: This L-glutamine supplement also helps support and preserve lean muscle mass, especially in times of metabolic stress*
- Amino Acid: L-glutamine is the most abundant amino acid in the body; glutamine is utilized by the body for tissue repair and gastrointestinal tract support*
- Pure Quality: Our supplements are made with premium ingredients sourced from trusted suppliers and guided by nutritional experts, then carefully manufactured and tested to verify potency and purity
- Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs
- Maximize your Potential: Enhance your active lifestyle with our L-Glutamine powder, designed to support your strength and performance goals. Each serving delivers a substantial 5000mg dose, catering to both fitness enthusiasts looking to push their limits.
- Versatility for all Lifestyles: Whether you're an athlete, a sprinter, or someone simply looking to stay active, our Glutamine supplement, in L Glutamine 5000mg, fits seamlessly into your regimen, adaptable to a wide range of dietary needs and preferences.
- Optimized in every Serving: Our L-Glutamine powder, a Glutamine supplement, is unflavored and free of unnecessary allergens, offering you a high-quality product that easily integrates with other supplements or your preferred shake or beverage.
- Transparent and Trustworthy: Experience the confidence that comes with choosing a supplement that not only meets rigorous third-party testing but also upholds the principles of clarity and integrity in its formulation and production.
- Commitment to Excellence: Produced in a facility compliant with strict cGMP standards, our L-Glutamine powder, or Glutamine 5000mg supplement, stands as a testament to our dedication to quality. You can trust in our product's consistency and excellence, batch after batch.
- 1KG (2.2lbs) of L-Glutamine Powder Per Bottle
- 200 Servings Of L-Glutamine Powder (Scoop Included)
- 3rd Party Tested, Non-GMO, & Gluten Free
- 5 Grams of L-Glutamine Powder Per Serving (Scoop Included)
- Manufactured In a GMP Compliant, FDA Registered Facility
- ONLY PURE GLUTAMINE FOR DEVELOPMENT AND RECOVERY: Naked's L-Glutamine Powder is a vegan and non-GMO pharmaceutical-grade amino acid supplement, manufactured in the USA and free of fillers, flavors, colors and sweeteners. This amino acid helps stimulate muscle growth and significantly improves recovery time.
- FORMULATED FOR OPTIMAL ABSORPTION: Each scoop contains undiluted free-form l-glutamine in a finely micronized powder designed to maximize absorption of this key amino acid.
- GREAT FOR POST-WORKOUT: Glutamine is a protein building block that protects your body from the negative effects of overtraining. You will notice marked improvements in performance, strength, endurance, recovery, immune function and gut health.
- HEALTH BENEFITS: Helps stomach ulcers, leaky gut, improves IBS by balancing mucus production, boosts metabolism and cellular detoxification, and helps curb cravings for sugar and alcohol. An essential neurotransmitter in the brain, Glutamine also helps with memory, focus and concentration.*
- THIRD-PARTY TESTING: All Naked Nutrition products are independently third-party tested for purity, safety and nutritional value.
- NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.
- NITROGEN TRANSPORTER*: Pure Glutamine Powder helps to maintain a positive nitrogen balance, aids in offsetting some of the stress from physical exertion, and helps to regulate the body's pH to support homeostasis, which is critical for overall fitness*
- IMMUNE SUPPORT*: Great for pre- and post-workout!
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
- L-Glutamine: An amino acid that helps with post-exercise muscle cell repair and promotes gastrointestinal and immune system health*
- Gut Health: Benefits gastrointestinal health and helps maintain gut permeability and optimal gut barrier function*
- Recovery: Helps restore plasma glutamine levels depleted after periods of physical stress, such as prolonged exhaustive exercise*
- Immune Support: Helps maintain immune health and supports wound healing*
- Trusted: Thorne is trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is a proud partner of U.S. Olympic Teams
- Fuel your active lifestyle—Glutamine is an amino acid your body uses for protein production. While it’s a must-have among serious athletes, glutamine is a great option for anyone who leads an active lifestyle
- Gut healthy, immune strong—Glutamine can be found in the blood, as well as stored in the skeletal muscles and liver, and in higher concentrations than any other amino acid. It’s an important energy source for cells lining the gut and immune cells, making it critical for a healthy digestive tract and immune response.
- Antioxidant support—Regular body movement is terrific for whole-body health. But engaging in heavy exercise can affect glutamine levels, causing stress to the body. Our L-Glutamine formula helps support antioxidant defenses to maintain muscle health.
- Ingredients matter—Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
- Live your healthiest life—For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
- Maximize your Potential: Enhance your active lifestyle with our L-Glutamine capsules, designed to support your strength and performance goals. Each serving delivers a substantial 5000mg dose, catering to both fitness enthusiasts looking to push their limits.
- Versatility for all Lifestyles: Whether you're an athlete, a sprinter, or someone simply looking to stay active, our Glutamine supplement, in L Glutamine 5000mg, fits seamlessly into your regimen, adaptable to a wide range of dietary needs and preferences.
- Optimized Servings: With 10 capsules per serving, oyr Glutamine supplement, in L Glutamine pills, is structured to provide both ease of use and the ability to precisely manage intake, tailoring to individual preferences and schedules.
- Transparent and Trustworthy: Experience the confidence that comes with choosing a supplement that not only meets rigorous third-party testing but also upholds the principles of clarity and integrity in its formulation and production.
- Commitment to Excellence: Produced in a facility compliant with strict cGMP standards, our L-Glutamine 5000mg capsules stand as a testament to our dedication to quality. You can trust in our product's consistency and excellence, batch after batch.
- GLUTAMINE POWDER – MuscleTech Platinum 100% Glutamine powder supplies 5g of l-glutamine per serving, which works to rapidly replenish the glutamine used during training
- Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
- AMINO ACID SUPPORT – Glutamine is the most abundant, conditionally essential free amino acid in your body – more than 20% of the amino acids in your body are glutamine. When you’re training hard, your muscles can lose up to 50% of their glutamine stores
- REPLENISH PLASMA GLUTAMINE – Glutamine plays an important role in muscle protein synthesis and helps support increased cell volume and glycogen replenishment
- TASTELESS / ODORLESS / DISSOLVES INSTANTLY – Glutamine is perfectly tasteless and odorless and mixes easily on its own or into any other product you’re already using. This non-stimulant formula stacks perfectly and can be used day or night
- 5G L-Glutamine per Serving
- Sweetened with Stevia - Delicious and Fresh Peach Mango Flavor
- Includes Folate, Dandelion, Uva Ursi & Cranberry Extracts
- 50 Servings Per Container
- GMP Compliant and Third-Party Tested: Produced in a facility that adheres to Good Manufacturing Practices (GMP) and verified for purity and potency through independent laboratory testing.
- Gastrointestinal Health: L-glutamine powder nutritionally supports the mucosal lining and healthy functioning of the gastrointestinal tract*
- Supports Lean Muscle: This L-glutamine supplement also helps support and preserve lean muscle mass, especially in times of metabolic stress*
- Amino Acid: L-glutamine is the most abundant amino acid in the body; glutamine is utilized by the body for tissue repair and gastrointestinal tract support*
- Pure Quality: Our supplements are made with premium ingredients sourced from trusted suppliers and guided by nutritional experts, then carefully manufactured and tested to verify potency and purity
- Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs
- NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.
- NITROGEN TRANSPORTER*: In the body, glutamine functions as a major nitrogen transporter and is critical for the maintenance of healthy nitrogen balance.*
- DOUBLE STRENGTH PRODUCT: 2x the L-Glutamine (1,000 mg per capsule) as in our regular strength product (500 mg per capsule).
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
- L-GLUTAMINE: The body's most abundant amino acid
- ADVANCED FORMULA: Provides serious support for athletes with 1,500 mg of glutamine per serving
- ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
- CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
- NATURALLY FREE OF: Gluten, Wheat, Yeast, Lactose, Soy, Artificial Flavor, Preservatives & Non-GMO
- Accelerate Recovery: Speed up your recovery with NutraBio's 100% Pure L-Glutamine Powder Supplement, designed to minimize muscle breakdown and support effective muscle repair and growth.
- Strengthen Immune Health: Enhance your immune system with L-Glutamine's Powder essential role in maintaining robust immune function, helping you stay strong and resilient.
- Guaranteed Purity: Enjoy a supplement that is completely free from synthetic sources, human hair derivatives, and unnecessary additives, thanks to our naturally fermented, vegetable-based formula.
- Top-Quality Assurance: Trust in a product made in the USA under stringent quality controls, ensuring you receive a L-Glutamine supplement of unmatched purity and safety.
- Clean and Effective: Experience the benefits of a pure, free-form amino acid without additives, fillers, or excipients, delivering only the genuine, effective support your body needs.
- Muscles: Supports muscle recovery after exercise or injury*
- Multiple Benefits: Promotes GI and nerve health and healthy immune function*
- Wound Healing: Nutritional support for wound and burn healing*
- Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts) This product also contains no soy, dairy, shellfish, or fish
- Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world
- L Glutamine 1000mg 120 Tablets Supplement
- 120 Servings per Bottle, 1 Capsules Per Serving
- Non-GMO, Gluten Free, Third Party Tested
- Manufactured in accordance with GMP Standards
- Proudly made in the USA with Guaranteed Purity & Potency
- Essential Stacks Gut L-Glutamine Powder: Pure l glutamine powder that is made exclusively in the USA and free from competing ingredients to support your gut health
- Food For Your GI Tract: Support your intestinal wall with 1 scoop (5 grams) of our L-Glutamine supplement daily
- Made in USA: While most L-Glutamine is made in China, where quality standards can vary, Gut L-Glutamine is proudly made, packaged & tested right here in the USA from start to finish; quality you can trust
- Designed For Gut Health: Gut L-Glutamine contains no competing amino acids, ingredients or fillers, to ensure maximum absorption in your intestinal tract; This free-form L-Glutamine powder is ideal for men & women with a sensitive gut
- Dairy, Soy, Casein & Gluten Free L Glutamine: You won’t find any gluten, wheat, dairy, milk, casein or soy in this plant-based l-glutamine; Our glutamine supplement is also vegan & free of GMOs, egg, shellfish, fish, nuts, artificial colors & flavors
How to choose a good l glutamine nutritional supplements
Does the idea of finding a fantastic l glutamine nutritional supplements make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in l glutamine nutritional supplements. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top l glutamine nutritional supplements products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top l glutamine nutritional supplements on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top l glutamine nutritional supplements brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top l glutamine nutritional supplements based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the l glutamine nutritional supplements were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good l glutamine nutritional supplements, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your l glutamine nutritional supplements.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting l glutamine nutritional supplements for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our l glutamine nutritional supplements. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what l glutamine nutritional supplements should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on l glutamine nutritional supplements.
