How to make the most of your recovery with the best glutamine supplements in the market
Glutamine has become a key amino acid that helps your immune and digestive systems function and is often overlooked when they are choosing supplements. Instead, they go for products like protein powders, those caffeinated pre-workouts, and of course creatine, and while these are important; it may be worth checking out glutamine and adding it to your bag of goodies. There are a load of benefits that aid your workout, which is why it is important to find the best glutamine supplements.
With all the brands out there, choosing supplements is hard as it is, and if you aren’t too familiar with the product it is even harder. In this post, our experts here at Generation Iron have put together a list of the top choices of glutamine supplements for 2025.
Best Glutamine Supplements of 2025 Quick List
- Best Glutamine Supplement Overall: Nutricost L-Glutamine
- Best BCAA Glutamine Supplement: Transparent Labs BCAA Glutamine
- Best Glutamine Supplement on Amazon: Nutricost L-Glutamine
- Best Glutamine Powder for Post Workout: Swolverine L-Glutamine
What is Glutamine?
Let’s start off by addressing exactly what it is, as it may not be something you are familiar with! Glutamine is the most abundant amino acid found in the body. It’s made in the muscles and transferred by the blood into different organ systems. Glutamine is a building block for making proteins in the body, and it is needed to make other amino acids as well as glucose. These supplements may assist with gut and immune function, and other processes, especially in times of stress when the body uses more glutamine.
People take it for a load of reasons including sickle cell disease, treating burns, to help with recovery after surgery, for injuries, and even for complications of HIV/AIDS. It is also used for helping with things like diarrhea, cystic fibrosis, obesity, lung cancer, and many other conditions, but there is no good scientific evidence to support most of these other uses.
Due to the amount of benefits of the supplement, it can be a good idea to add it into your supplement stack. However, with so many different supplements on the market, choosing can be hard. Many of these supplements can come in underdosed or filled with junk ingredients. Prices can also be way too high for products that are not quality. That being said, let’s dive into the list of the top glutamine supplements on the market!
Best Glutamine Supplement Overall
The best top choice for this category will be something with properly dosed ingredients that delivers solid results and does not break the bank.
Nutricost L-Glutamine
Check out one of the best supplements to help further your gains.
Nutricost’s L-Glutamine powder is our favorite glutamine supplement as it delivers 5,000 mg of pure L-Glutamine in each serving, with each bottle containing 100 servings. The container holds a total of 500 grams (1.1 pounds) of powder. Designed to fit various dietary preferences, this supplement is vegetarian-friendly, Non-GMO, gluten-free, and soy-free. Manufactured in a facility that complies with GMP standards and is registered with the FDA, it upholds stringent quality and safety protocols.
You can get this in 3 flavors: Unflavored, Blue Raspberry, and Fruit Punch
Pros
- Good flavors
- Quality ingredients with a transparent label
- Great reviews overall
- Cheap
Cons
- Not many flavors
Price: $18.95 for 100 servings
Best BCAA Glutamine Supplement
BCAAs can go hand in hand with glutamine, as they have a load of benefits for fitness enthusiasts similar to each other. Combining the two can make the recovery process much more efficient and enjoyable. However, buying them separately can be pricey, then you have to mix them, and it can just be a minor, time consuming nuisance. So, what can you do to avoid that? Choose a supplement that includes them both together!
Transparent Labs BCAA Glutamine
CoreSeries BCAA Glutamine, as with all Transparent Labs products, was created to be the best BCAA “repair and recovery” supplement available. With a fully transparent later, your recovery will be better than ever.
Transparent Labs BCAA Glutamine combines the BCAA supplement and glutamine with a fully transparent label, showing the great ingredients that are added into this product. Not to mention it comes in four delicious flavors that are stated above.
Pros
- Good flavors
- Quality ingredients with a transparent label
- Great reviews overall
Cons
- Premium priced option
Price: $39.99 for 30 servings
Best Glutamine Supplement from Amazon
Amazon is a go to place for many people to get products from, especially supplements. What is the best glutamine supplement on Amazon?
Nutricost L-Glutamine
Check out one of the best supplements to help further your gains.
Nutricost’s L-Glutamine makes the list again as it is not only our favorite glutamine supplement overall, but is our favorite glutamine supplement from Amazon as it offers a potent 5,000 mg of pure L-Glutamine in every scoop, with each bottle containing enough for 100 servings and a total weight of 500 grams (1.1 pounds). Formulated to suit a range of dietary preferences, it’s entirely Non-GMO, gluten-free, soy-free, and vegetarian-friendly. Produced in a GMP-compliant facility registered with the FDA, this supplement is made with a strong commitment to quality and safety in every batch.
You can get this in 3 flavors: Unflavored, Blue Raspberry, and Fruit Punch
Pros
- Good flavors
- Quality ingredients with a transparent label
- Great reviews overall
- Cheap
Cons
- Not many flavors
Price: $18.95 for 100 servings
Best Glutamine Powder for Post Workout
A good glutamine powder for post workout is always a plus. You can easily mix it with your pre, protein, creatine, or other supplements.
Swolverine L-Glutamine
This L-Glutamine supplement powder can help you optimize post-workout recovery by reducing muscle breakdown and exercise-induced muscle soreness. Faster recovery times and less muscle soreness translates to increased training volume and better workout performance.
This supplement powder can help you optimize post-workout recovery by reducing muscle breakdown and exercise-induced muscle soreness. Faster recovery times and less muscle soreness translates to increased training volume and better workout performance. Research studies have also shown L-Glutamine to boost immunity, improve gut health, and promote muscle protein synthesis.
This is an unflavored option, which is great because you can mix it with any flavor of any other supplement you are using and it won’t taste horrible! However, some people may want different flavors, and they would be out of luck with this product.
Pros
- Great price
- Good ingredients
- Powder that can mix easily
Cons
- No other flavors besides unflavored
Price: $39.99 for 60 servings
Glutamine for Bodybuilding and Fitness
As stated above, this is the most abundant amino acid found in the body, and it is also the most crucial amino acid for bodybuilders, as there are multiple studies conducted over the years that have shown glutamine helps minimize muscle breakdown in the body, as improving protein metabolism in the body.
To put it simply, a glutamine supplement is something that can help with strength recovery from training sessions. It is not something that will contribute directly to size or hypertrophy, but when your recovery is better, packing on the muscle is much easier.
How Much Do The Best Glutamine Products Cost?
Let’s take a look at the side by side comparisons for these supplements next to each other!
| Category | Product | Price |
| Best Glutamine Supplement Overall | Nutricost L-Glutamine | $18.95 for 100 servings |
| Best BCAA Glutamine Supplement | Transparent Labs BCAA Glutamine | $39.99 for 60 servings |
| Best Glutamine Supplement from Amazone | Nutricost L-Glutamine | $18.95 for 100 servings |
| Best BCAA Glutamine Supplement for Post Workout | Swolverine Glutamine | $39.99 for 60 servings |
Glutamine FAQs
You probably have some questions regarding glutamine, so let’s take a look at some and ask them.
Is It Safe?
You have to remember that our bodies produce it naturally, and it’s found in many different foods, so it is considered safe in normal amounts, which is typically up to 40 grams a day. However, there are some potential health risks, so talk to your doctor before adding a glutamine supplement to your diet.
What are the Risks of This Supplement?
For starters, too much can have a negative effect. Normal amounts of it are okay, however high intake over time may change how our bodies distribute and use amino acids, including glutamine itself. The long-term impact of this change is unknown, but it may raise the risk of health problems.
In terms of the more serious repercussions, side effects of this nature are uncommon, but high quantities of glutamine can cause some unwanted complications that may end up requiring a doctor’s attention. These side effects can include blood in urine, changes in skin color, lower back pain, fast heartbeat, dizziness, or rash. Again, these are very uncommon, and tend to happen only with extremely high doses of the supplement.
Introducing a glutamine supplement to your diet may cause some mild side effects. The most common adverse effects include cough and changes in bowel movements.
Side Note: Keep in mind that these supplements that we have recommended contain only 5 grams of glutamine per serving, so experiencing these side effects is unlikely to occur!
How We Choose
At Generation Iron, we make sure to hand pick the best supplements we can find. Not only do we try them out ourselves, but we also dive into extensive research on each topic. Here are some of the things we look for:
Ingredients
We look for the top ingredients in each supplement we add to these lists. Artificial ingredients, dyes, ingredients that can ruin gains, these are all examples of things that would make us stay away from certain supplements. We look for fully transparent labels with good ingredients to really boost gains.
Key ingredients to look for in these specific supplements:
- L-Glutamine
Price
Another key factor in choosing the best supplements is price. In today’s world, the cost of something is a factor that will sway anyone’s opinion on a product. Something that is far too expensive will turn off most people from buying, then on the flip side a product that is too cheap could possibly not provide the ideal ingredients, which in turn makes it fall short with results.
We believe that quality is not cheap, but also is not overly expensive. We look for products that are right in the sweet spot, with a good price that will also be backed by quality ingredients!
Reviews and Reputation
The brand that the products are coming from is huge. To put it simply; the reviews on the brand, as well as the product, say a lot. You wouldn’t buy a product that has horrible reviews, would you? Would you buy from a brand with horrible reviews or a bad reputation? Probably not!
We do believe in giving everyone a chance, so we dive into extensive research on the companies as well as the reviews on each product before adding them to our lists!
Wrap Up
The next time you are stocking up on your supplements, be sure to take glutamine into consideration! There are a load of benefits for your overall health that this supplement brings to the table. While choosing glutamine supplements can be hard, we hope this list helps you pick some out!
Will you be trying the supplements we recommend?
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References
Happy Mammoth LLC. (2019, March 8). L-glutamine supplement: 5 quality checks you must look for. Happy Mammoth LLC. Retrieved February 22, 2023, from (Source)
WebMD. (n.d.). Glutamine: Overview, uses, side effects, precautions, interactions, dosing and reviews. WebMD. Retrieved February 22, 2023, from (Source)
