10 Best l glutamines of 2025

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Best Choice

1

THORNE
THORNE - L-Glutamine Powder - Glutamine Powder for GI Health and Immune Function* - 17.8 Oz
Main highlights

Supports Muscle Recovery and Wound Healing
Thorne's supplement aids muscle recovery post-exercise or injury, promotes GI and nerve health, supports wound and burn healing, and is free from major allergens.

Ideal for Gut Health and Immune Support
Best used for improving gut health, managing leaky gut, enhancing immune function, and aiding in overall recovery from various health conditions.

Praised for Easing Bloating and Improving Digestion
Customers frequently praise the product for reducing bloating, improving regularity, and supporting overall gut health, making it a highly recommended supplement.
Key specs
- benefits:Supports muscle recovery
- gluten free:Yes
- usage:Promotes GI and nerve health
- non-gmo:N/A
- form:N/A
9.6

Exceptional

Our Rating

9.9
quality of ingredients

9.7
worth the money

8.0
Flavor
How do we rank?

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Value for Money

2

Pure Encapsulations
Pure Encapsulations L-Glutamine Powder - Supplement for Immune and Digestive Support, Gut Health and Lining, Metabolism, and Muscle Support* - with Pure Free-Form L-Glutamine - 8 Ounces
Main highlights

Supports Gastrointestinal Health and Lean Muscle
L-glutamine powder supports the mucosal lining and healthy GI tract function, preserves lean muscle mass, and aids in tissue repair with pure quality ingredients.

Ideal for Digestive Issues and Athletic Performance
Best used for improving GI tract health, easing IBS symptoms, and enhancing athletic performance, especially during times of metabolic stress.

Praised for Tastelessness and Easy Dissolution
Customers appreciate that the L-glutamine powder is tasteless, odorless, and dissolves quickly in liquids, making it easy to incorporate into daily routines.
Key specs
- benefits:Supports GI health, lean muscle
- gluten free:Yes
- usage:Tissue repair, GI support
- non-gmo:Yes
- form:Powder
9.4

Excellent

Our Rating

9.9
quality of ingredients

9.9
Flavor

8.0
worth the money
3

Nutricost
Nutricost L-Glutamine Powder (500 Grams) Unflavored - Gluten Free & Non-GMO, 100 Servings
Main highlights

High Potency Formula
Provides 5000mg of L-Glutamine per serving, ensuring optimal support for muscle recovery and gut health.

Versatile Use Cases
Ideal for athletes, fitness enthusiasts, and individuals seeking muscle recovery and digestive support.

Quality Manufacturing
Praised for being manufactured in a GMP compliant, FDA registered facility, ensuring safety and quality.
Key specs
- benefits:N/A
- gluten free:N/A
- usage:N/A
- Discontinued:No
- Date First Available:January 20, 2015
9.3

Excellent

Our Rating
4

NOW Foods
NOW Foods Supplements, L-Glutamine 500 mg, Nitrogen Transporter*, Amino Acid, 120 Veg Capsules

38% Off
Main highlights

Key Features and Benefits
Conditionally essential amino acid, supports immune function, major nitrogen transporter, Halal, non-GMO, kosher, vegan/vegetarian, GMP quality assured, packaged in the USA.

Ideal Use Cases
Beneficial during recovery, maintaining healthy nitrogen balance, essential for those with increased amino acid requirements due to conditions or intense physical activity.

Customer Reviews Highlight
Most praised for its purity, effectiveness in recovery and immune support, and strict adherence to quality certifications and dietary restrictions.
9.1

Excellent

Our Rating

9.5
simple to consume

9.1
Flavor

9.1
worth the money
5

Pure Encapsulations
Pure Encapsulations L-Glutamine 500 mg - Supplement for Immune and Digestive Support, Gut Health and Lining, Metabolism, and Muscle Support* - with Free-Form L-Glutamine - 90 Capsules
Main highlights

Supports Gastrointestinal Health and Lean Muscle
L-glutamine powder supports the mucosal lining and healthy functioning of the gastrointestinal tract, and helps preserve lean muscle mass during metabolic stress.

Ideal for Gut Health and Appetite Suppression
Perfect for individuals with IBS, leaky gut, or those looking to suppress appetite and reduce late-night snacking.

Highly Praised for Improving Digestive Issues
Customers frequently commend the product for significantly improving gut health, reducing bloating, and alleviating symptoms of IBS and leaky gut.
9.0

Excellent

Our Rating

9.9
quality of ingredients

9.3
simple to consume

8.2
Flavor
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6

Nutricost
Nutricost L-Glutamine 800mg, 180 Capsules - Gluten Free, Non-GMO
Main highlights

Key Features
800mg L-Glutamine per capsule, 180 servings, Non-GMO, Gluten-Free, Soy-Free, made in GMP compliant, FDA Registered Facility.

Ideal Use Cases
Perfect for post-workout recovery, gut health support, and boosting immune system function.

Customer Reviews Highlight
Most praised for enhancing recovery speed post-exercise and noticeable improvement in digestive health.
Key specs
- benefits:L-Glutamine Supplement
- gluten free:Yes
- usage:Dietary Supplement
- non-gmo:Yes
- form:Capsule
8.9

Very Good

Our Rating

8.9
worth the money

8.7
simple to consume

8.4
Flavor
7

THORNE

THORNE - L-Glutamine - Amino Acid Supplement for GI Health and Immune Function* - 90 Capsules
8.7

Very Good

Our Rating

9.1
simple to consume

8.9
Flavor

8.0
worth the money
8

Nutricost
Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free

41% Off
Main highlights

High-Purity and Tested
1KG of L-Glutamine, 200 servings, third-party tested, non-GMO, gluten-free.

Ideal for Athletes and Recovery
Perfect for muscle recovery, immune support, and gut health post-workout.

Customer Praised Quality
Users love the purity and effectiveness for muscle recovery and performance.
8.5

Good

Our Rating
9

365 by Whole Foods Market

365 by Whole Foods Market, L-Glutamine 500mg, 100 ct
8.4

Good

Our Rating
10

Country Life

Country Life L-Glutamine 500 mg with B6 – Supports Muscle Recovery, Endurance & Athletic Performance – Vegan, Gluten-Free, Kosher Amino Acid Supplement – 100 Capsules
8.3

Good

Our Rating

10 Best l glutamines of 2025

1

THORNE - L-Glutamine Powder - Glutamine Powder for GI Health and Immune Function* - 17.8 Oz

9.9

9.7

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

Pure Encapsulations L-Glutamine Powder - Supplement for Immune and Digestive Support, Gut Health and Lining, Metabolism, and Muscle Support* - with Pure Free-Form L-Glutamine - 8 Ounces

9.9

9.9

8.0

3

Nutricost L-Glutamine Powder (500 Grams) Unflavored - Gluten Free & Non-GMO, 100 Servings

4

NOW Foods Supplements, L-Glutamine 500 mg, Nitrogen Transporter*, Amino Acid, 120 Veg Capsules

9.5

9.1

9.1

5

Pure Encapsulations L-Glutamine 500 mg - Supplement for Immune and Digestive Support, Gut Health and Lining, Metabolism, and Muscle Support* - with Free-Form L-Glutamine - 90 Capsules

9.9

9.3

8.2

6

Nutricost L-Glutamine 800mg, 180 Capsules - Gluten Free, Non-GMO

8.9

8.7

8.4

7

THORNE - L-Glutamine - Amino Acid Supplement for GI Health and Immune Function* - 90 Capsules

9.1

8.9

8.0

8

Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free

9

365 by Whole Foods Market, L-Glutamine 500mg, 100 ct

10

Country Life L-Glutamine 500 mg with B6 – Supports Muscle Recovery, Endurance & Athletic Performance – Vegan, Gluten-Free, Kosher Amino Acid Supplement – 100 Capsules

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