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THORNE L-Glutamine Powder is a premium amino acid supplement designed to support muscle recovery, gastrointestinal health, and immune function. NSF Certified for Sport and third-party tested, it offers 90 servings of a clean, unflavored powder free from gluten, dairy, and soy. Trusted by professional athletes and healthcare experts alike, it’s your go-to for post-exercise repair and daily cellular support.



















| ASIN | B000FGWDL8 |
| Age Range Description | Adult |
| Best Sellers Rank | #9,794 in Health & Household ( See Top 100 in Health & Household ) #7 in L-Glutamine Nutritional Supplements |
| Brand | THORNE |
| Brand Name | THORNE |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 800 Reviews |
| Dosage Form | Powder |
| Flavor | Unflavored |
| Global Trade Identification Number | 00693749519027 |
| Item Dimensions | 4.74 x 4.74 x 5 inches |
| Item Form | Powder |
| Item Weight | 17.8 Ounces |
| Manufacturer | Thorne Research |
| Manufacturer Part Number | SA519 |
| Model Name | SA519 |
| Model Number | SA519 |
| Number of Items | 1 |
| Primary Supplement Type | L-Glutamine |
| Product Benefits | Nutritional Support |
| Total Servings Per Container | 90 |
| UPC | 884929169518 693749519027 |
| Unit Count | 17.8 Ounce |
G**Y
Quality product
Product works and is high quality. Other brands that I have used up to this point haven't worked as well. You can actually tell it digests and can feel the results. It also dosnt have as overwhelming tast when mixed. Also no bad smell or taste. It is on the pricy side but in this situation I would say you get what you pay for.
J**Y
Safe and effective product
I have had amazing results with this product. I am using it under the direction of my physician to treat neuropathy associated with chemo. As a chemo patient I must be extremely cautious supplements. This product has been amazing and has worked as expected. I am happy to have the neuropathy pain relieved without another drug.
M**C
My digestion feels like absolutely nothing - Perfect!
This product is helping me more than any other supplement I've tried for my food intolerances. If you know, you know. Dissolves easily in a few ounces of water and has essentially no taste or texture. No residue left in the bottom of the glass. I bought it because Thorne is known for quality products but I may try another brand next time as the cost is very high in comparison. For now I consider it money well spent while dealing with acute issues.
G**O
muy bueno
excelente producto
L**A
A life saver for my UC flare ups!
Very easy to dissolve and virtually tasteless. Use this daily to heal my gut lining with fantastic results.
V**R
Essential for gut and immune health – pure, clean, and effective
I’ve been using THORNE L-Glutamine Powder for several months now, and it’s become a staple in my wellness routine. This supplement is designed to support gastrointestinal (GI) health, immune function, and muscle recovery. Each serving provides 5 grams of pure L-glutamine, an amino acid that plays a crucial role in maintaining the integrity of the intestinal lining and supporting immune cells. Key Benefits: • GI Health: L-glutamine serves as fuel for enterocytes, the cells lining the intestines, promoting a healthy gut barrier. • Immune Support: It aids in the function of immune cells, helping the body respond to stress and illness. • Muscle Recovery: Supports muscle repair and recovery post-exercise or injury. Product Features: • Unflavored Powder: Mixes easily with water or other beverages without altering taste. • Free From Common Allergens: No gluten, soy, dairy, or artificial additives. • NSF Certified for Sport®: Ensures the product is free from banned substances, making it safe for athletes. Usage Tips: I typically mix one scoop with 8 ounces of water in the morning on an empty stomach. It’s also effective post-workout for muscle recovery. Consistency is key; regular use has noticeably improved my digestive comfort and overall energy levels. Considerations: While this product is excellent for supporting gut and immune health, it’s essential to consult with a healthcare professional before starting any new supplement, especially if you have underlying health conditions. #ThorneSupplements #LGlutamine #GutHealth #ImmuneSupport #MuscleRecovery #NSFCertified #CleanSupplements #WellnessRoutine
L**H
Excellent "leaky gut" support
This was one of the supplements our Naturopath recommended for my daughter, who we first believed was dealing with Rheumatoid Arthritis, to help with the "leaky gut" issue she had developed (she was pretty much becoming allergic to almost all food!)... She began to feel a bit better once she was taking this, and was able to eat a little more variety as time passed. Flash forward to over a year later, when we eventually learned she actually was suffering from Lyme disease, and being given a whole new supplement regimen to accompany the antibiotics she's now taking, she felt continuing this item was one she could drop since she's dealing with SO many things now. WRONG! Within a week, she was feeling terrible, and after resuming this routine (she mixes 1 teaspoon in glass of water twice a day on empty stomach), she was back to feeling as good as one with Lyme disease can hope for. Going off of it for such a short time was a clear indication of what it was doing to help her Lyme disease caused "leaky gut." (Her real or main symptoms btw, were in her knees, which is why doctors believed she had developed arthritis at age 16, when one knee began aching, eventually swelling up like crazy and was unable to move it. It eventually spread to her other knee, although never as bad as the left one. She is now 20, so has a long journey working towards recovery, and this product will perhaps be something she will need for life, unless her body manages to heal from the crazy things this kind of disease can cause.)
A**Y
It cured my gut!
Cured my gut! I had really bad GI difficulties for decades. I was told by a dietician to use three scoops a day. DOSE MATTERS! Is what she said and it does. I tried what my primary said one scoop a day and nothing got better in the many months I used it. But when I changed to 3 scoops a day it was a profound change. No smell, dissolves easily and no taste. Slightly sandy but it’s nothing.
M**J
Good quality
Good product
A**R
Great for skin and leaky gut
The secret to my clear, break out free skin. I couldn’t recommend this enough for people struggling with leaky gut and consequently acne caused by certain food sensitivities. I usually dissolve it in warm water and lemon juice and drink it first thing in the morning. It doesn’t have any taste, but the effects are noticeable. My tummy feels better and my skin is clear, hydrated and plump.
A**A
Excellent Product
Thorne is the best supplement manufacturer out there
S**V
It helps!
I have noticed a difference within a week of using this product and I will continue to use and see how it helps further with my ibs. I cannot explain how stressful it is to deal with stomach related issues and not knowing what the triggers are as it’s always changing. I feel more at ease taking this. I will try come back and update further on how I get on but I am genuinely impressed. At first I thought it was a fluke but it’s been continuous. It is very pricey and I was reluctant to buy but I’m glad I did. I know not every person will benefit from the product as each individual is different but I have ibs, endometriosis and I’m on strong painkillers and this has given me some relief on the severe bloat I suffered on a daily basis. I haven’t checked my weight but it was more for stomach related issues. I take it last thing at night as I am taking medication during the day and it may affect the absorption. I hope this has been helpful!
G**N
Not for everyone
I think its a good quality product but any glutamine supplement can have negative side effects not sure if its worth continuing to take it or not.
Trustpilot
3 days ago
1 week ago