Gut L-Glutamine XL
Gut L-Glutamine XL
17.6 oz / 500 g Unflavored Powder
Most L-Glutamine is made overseas where quality standards vary. We believe in uncompromising quality. That is why every step - from manufacturing to packaging to testing - happens right here in the USA. Quality you can trust.
Complete Transparency,
No Hidden Surprises
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Gluten, dairy & soy free
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No proprietary blends
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No unnecessary fillers
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Third-party lab tested
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Vegan & non-GMO
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Made in USA L-Glutamine
Supplement Facts & Ingredients
Supplement Facts & Ingredients
Other Ingredients: None.
Third Party Tested
Third Party Tested
We partner exclusively with ISO 17025 accredited laboratories here in the USA to test for common allergens, heavy metals and microbiological contaminants. View certificate of analysis below.
How To Enjoy
How To Enjoy
Mix 1 scoop (5 g) with 8 ounces (240 ml) of water or your favorite beverage, 1-2 times daily, between meals or as directed by a healthcare professional.
Use this unflavored L-Glutamine powder when you want to mix it with your favorite beverage without altering the taste. For a refreshing option, try our Raspberry Lemonade flavored Gut L-Glutamine. Both options make it easy and enjoyable to get your daily serving of L-Glutamine.
Trusted by 1000s for better gut health
What Makes Us Different
Most supplement companies cut corners where you can't see - using overseas manufacturing, skipping independent testing and loading products with gut-irritating fillers. We take the harder, more expensive path because your gut health deserves better than “industry-standard”.
Third-Party Tested In The USA
Most companies only test their products internally - we do both. Our formulas get tested in-house, then verified again by independent ISO-certified labs where scientists screen for contaminants and validate our allergen-free promises. Because we believe your gut health journey deserves nothing less than exceptional quality.
Verified Customer Reviews
- Reviews
- Questions
United StatesGreat product
Instantly saw results. My gut health has never been better. I stick to this brand and product 100%.
United StatesGreat product!
United StatesThe best all around
So proud to stand by Essential Stacks! Not only is the product trustworthy and amazing, but their team and customer service is top tier. I instantly notice a difference in my gut health through my skin, digestion, and energy when taking the L glutamine powder, a daily for me!
United StatesL-Glitamine
Gut L-Glutamine XL is super easy to use--it dissolves easily in any beverage and adds nothing but goodness to the drink!
United StatesGreat Product
This has worked wonders for my gut and immediately noticed a transformation. It has been a year now and continue to notice great improvements.
United StatesAffordable Alternative To Pricier Brand
I was looking for a more affordable alternative to the L-Glutamine supplement I'd been taking. I stumbled across Essential Stacks when researching and I'm glad I did. Its supplement is easy to blend into by daily drinks and has no noticeable taste.
60-Day Money Back Guarantee
We stand behind
every bottle.
Try any Essential Stacks product completely risk-free for 60 days. Not satisfied? Get a full refund - even if the bottle is empty. No questions asked, no explanations needed.
Gut L-Glutamine XL
Unflavored