10 Best glutamine powders of 2026

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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
- usage:Promotes GI and nerve health
- gluten free:Yes
- form:N/A
- serving size:N/A
9.7

Exceptional

Our Rating

9.9
quality of ingredients

9.7
worth the money

8.0
Flavor
How do we rank?

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Careful review Our team ensures quality, value, and fit based on real user feedback

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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Optimum Nutrition

Optimum Nutrition L-Glutamine Muscle Recovery Powder, 1000 Gram, 194 Servings (Pack of 1)
9.6

Exceptional

Our Rating
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
- usage:N/A
- Discontinued:No
- Date First Available:January 20, 2015
- Manufacturer:Nutricost
9.5

Excellent

Our Rating
4

Nutricost
Nutricost L-Glutamine Powder 250 Grams
Main highlights

High Quality and Purity
250 grams of vegan, non-GMO, gluten-free L-Glutamine.

Ideal for Fitness Enthusiasts
Perfect for post-workout recovery and muscle support.

Customer Praises for Unflavored Formula
Natural, unflavored powder with no added flavoring.
9.4

Excellent

Our Rating
5

GNC

GNC Pro Performance L-Glutamine 5000mg, Amino Acid Supplement Powder, Supports Muscle Recovery, Function, Immune System, Plays Key Role in Protein Synthesis, Unflavored, 181 Servings
9.3

Excellent

Our Rating
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6

Nutricost
Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free
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.
9.1

Excellent

Our Rating
7

MuscleTech
Muscletech 100% L-Glutamine Powder for Enhanced Muscle Recovery - Pure L Glutamine Muscle Growth Builder & Energy Boosting Nutritional Supplement for Men & Women - Unflavored, 60 Servings
Main highlights

Rapid Glutamine Replenishment
Supplies 5g of l-glutamine per serving for quick recovery.

Ideal for Intense Training
Perfect for men and women post-workout recovery.

Tasteless and Easy Mixing
Praised for zero taste and effortless blending.
Key specs
- benefits:Replenish glutamine, muscle support
- usage:Mixes easily, day or night
- gluten free:N/A
- form:Powder
- serving size:5g
8.9

Very Good

Our Rating

9.5
simple to consume

9.3
worth the money

9.1
Flavor
8

BulkSupplements

BulkSupplements.com L-Glutamine Powder - Glutamine Supplement, for Recovery & Gut Health - Unflavored & Gluten Free, 5g (5000mg) per Serving, 500g (1.1 lbs) (Pack of 1)
8.6

Very Good

Our Rating
9

NAKED

Pure L-Glutamine Made in The USA - 200 Servings - 1,000g, 2.2lb Bulk, Vegan, Non-GMO, Gluten and Soy Free. Minimize Muscle Breakdown & Improve Protein Synthesis. No Additives
8.5

Good

Our Rating
10

BulkSupplements
BulkSupplements.com L-Glutamine Powder - Glutamine Supplement, for Recovery & Gut Health - Unflavored & Gluten Free, 5g (5000mg) per Serving, 1kg (2.2 lbs) (Pack of 1)
Main highlights

5000mg Dose for Performance
Enhance strength and performance with a substantial 5000mg of L-Glutamine per serving.

Versatile for Active Lifestyles
Ideal for athletes, sprinters, and active individuals seeking strength and endurance.

Praised for Quality Assurance
Customers appreciate the rigorous third-party testing and cGMP compliance.
8.4

Good

Our Rating

10 Best glutamine powders of 2026

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

Optimum Nutrition L-Glutamine Muscle Recovery Powder, 1000 Gram, 194 Servings (Pack of 1)

3

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

4

Nutricost L-Glutamine Powder 250 Grams

5

GNC Pro Performance L-Glutamine 5000mg, Amino Acid Supplement Powder, Supports Muscle Recovery, Function, Immune System, Plays Key Role in Protein Synthesis, Unflavored, 181 Servings

6

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

7

Muscletech 100% L-Glutamine Powder for Enhanced Muscle Recovery - Pure L Glutamine Muscle Growth Builder & Energy Boosting Nutritional Supplement for Men & Women - Unflavored, 60 Servings

9.5

9.3

9.1

8

BulkSupplements.com L-Glutamine Powder - Glutamine Supplement, for Recovery & Gut Health - Unflavored & Gluten Free, 5g (5000mg) per Serving, 500g (1.1 lbs) (Pack of 1)

9

Pure L-Glutamine Made in The USA - 200 Servings - 1,000g, 2.2lb Bulk, Vegan, Non-GMO, Gluten and Soy Free. Minimize Muscle Breakdown & Improve Protein Synthesis. No Additives

10

BulkSupplements.com L-Glutamine Powder - Glutamine Supplement, for Recovery & Gut Health - Unflavored & Gluten Free, 5g (5000mg) per Serving, 1kg (2.2 lbs) (Pack of 1)

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