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9 Best Glutamine Powders in 2025

Published on
3 min read
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Best Glutamine Powders to Buy in November 2025

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

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

  • 5000MG L-GLUTAMINE PER SERVING - BOOST YOUR PERFORMANCE!
  • 100 SERVINGS PER BOTTLE - GREAT VALUE FOR YOUR FITNESS JOURNEY!
  • PURE & CLEAN: NON-GMO, GLUTEN FREE, AND VEGETARIAN FRIENDLY!
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$22.95
Nutricost L-Glutamine Powder (500 Grams) Unflavored - Gluten Free & Non-GMO, 100 Servings
2 Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free

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

  • 3RD PARTY TESTED: QUALITY YOU CAN TRUST, NON-GMO & GLUTEN FREE.
  • 1 KG OF PURE L-GLUTAMINE: PERFECT FOR ALL YOUR FITNESS NEEDS!
  • MADE IN USA: GMP-COMPLIANT & FDA-REGISTERED FOR TOP-NOTCH QUALITY.
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$29.95
Nutricost L-Glutamine Powder 1 KG - Unflavored, Non-GMO, Gluten Free
3 Nutricost L-Glutamine Powder 250 Grams

Nutricost L-Glutamine Powder 250 Grams

  • 50 SERVINGS OF PURE L-GLUTAMINE FOR MAXIMUM VALUE PER BOTTLE!
  • VEGAN, NON-GMO, GLUTEN-FREE-PERFECT FOR ANY DIETARY LIFESTYLE!
  • PRODUCED IN CERTIFIED FACILITIES FOR QUALITY YOU CAN TRUST!
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$15.95 $19.95
Save 20%
Nutricost L-Glutamine Powder 250 Grams
4 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)

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)

  • BOOST PERFORMANCE: 5G L-GLUTAMINE SUPPORTS STRENGTH AND ACTIVE LIFESTYLES.

  • VERSATILE USE: PERFECT FOR ATHLETES AND ACTIVE INDIVIDUALS ALIKE.

  • QUALITY YOU TRUST: CGMP CERTIFIED FOR SAFETY AND CONSISTENT POTENCY.

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$22.97 $25.97
Save 12%
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)
5 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

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

  • ACCELERATE MUSCLE RECOVERY WITH 5G OF PURE GLUTAMINE PER SERVING.

  • UNFLAVORED, EASY TO MIX-IDEAL FOR ANY SUPPLEMENT ROUTINE.

  • BOOST METABOLIC FUNCTION AND RESTORE PLASMA GLUTAMINE LEVELS.

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$16.99
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
6 L Glutamine Powder 1.1lbs (100 Servings of 5 Grams Each - Third Party Tested L-Glutamine Powder) Unflavored, Keto, Vegan Friendly (with Scoop) for Exercise Endurance and Gut Health by Double Wood

L Glutamine Powder 1.1lbs (100 Servings of 5 Grams Each - Third Party Tested L-Glutamine Powder) Unflavored, Keto, Vegan Friendly (with Scoop) for Exercise Endurance and Gut Health by Double Wood

  • 99% PURE L-GLUTAMINE: BOOST ENDURANCE & GUT HEALTH EFFECTIVELY!

  • VEGETARIAN & KETO FRIENDLY: PERFECT FOR DIVERSE DIETS AND LIFESTYLES.

  • QUALITY ASSURED: THIRD-PARTY TESTED, NON-GMO, AND GLUTEN-FREE.

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$17.95
L Glutamine Powder 1.1lbs (100 Servings of 5 Grams Each - Third Party Tested L-Glutamine Powder) Unflavored, Keto, Vegan Friendly (with Scoop) for Exercise Endurance and Gut Health by Double Wood
7 Optimum Nutrition L-Glutamine Muscle Recovery Powder, 1000 Gram, 194 Servings (Pack of 1)

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

  • COMPACT SIZE: PERFECT FIT FOR ANY BATHROOM OR PERSONAL CARE SPACE.
  • LIGHTWEIGHT DESIGN: EASY TO HANDLE AND TRANSPORT, JUST 1.133 KG!
  • MADE IN USA: HIGH-QUALITY HEALTH CARE PRODUCT YOU CAN TRUST.
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$55.94
Optimum Nutrition L-Glutamine Muscle Recovery Powder, 1000 Gram, 194 Servings (Pack of 1)
8 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)

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)

  • BOOST STRENGTH & PERFORMANCE WITH 5G L-GLUTAMINE PER SERVING!
  • PERFECT FOR ATHLETES AND ACTIVE LIFESTYLES; FITS ANY REGIMEN.
  • UNFLAVORED, ALLERGEN-FREE, AND RIGOROUSLY TESTED FOR QUALITY!
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$33.97
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)
9 THORNE - L-Glutamine Powder - Glutamine Powder for GI Health and Immune Function* - 17.8 Oz

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

  • BOOSTS MUSCLE RECOVERY POST-EXERCISE AND INJURY FOR PEAK PERFORMANCE.
  • PROMOTES GUT HEALTH, NERVE FUNCTION, AND IMMUNE SUPPORT FOR WELLNESS.
  • THIRD-PARTY CERTIFIED FOR QUALITY; TRUSTED BY CHAMPIONS AND HEALTHCARE PROS.
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$63.00
THORNE - L-Glutamine Powder - Glutamine Powder for GI Health and Immune Function* - 17.8 Oz
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Glutamine powders have become increasingly popular among fitness enthusiasts and athletes who are keen on muscle recovery and performance enhancement. This amino acid plays a crucial role in muscle maintenance and immune system support, making it a favorite supplement in many nutritional regimens. In this guide, we'll discuss what glutamine is, the benefits of glutamine powders, how to choose the best one for your needs, and compare it with other types of protein powders.

What is Glutamine?

Glutamine is a non-essential amino acid, which means it can be synthesized by the body. However, during times of intense stress, such as heavy exercise or injury, the need for glutamine can exceed the body's ability to produce it. This is where glutamine supplements come in, providing additional resources to support various bodily functions.

Benefits of Glutamine Powders

  1. Muscle Recovery: Glutamine supports the repair of muscle tissue after intense workouts, reducing recovery time and improving performance.

  2. Immune System Support: As a critical fuel source for immune cells, glutamine helps to maintain a robust immune system, which is particularly important during periods of strenuous exercise.

  3. Intestinal Health: Glutamine is a key nutrient for intestinal cells, promoting gut health and protecting against leaky gut syndrome.

  4. Protein Synthesis: By acting as a building block of protein, glutamine aids in the synthesis of protein, enhancing muscle growth and maintenance.

How to Choose the Best Glutamine Powder

When selecting a glutamine powder, consider the following factors to ensure you are getting a high-quality product that meets your needs:

  1. Purity: Look for powders with minimal additives, fillers, or artificial ingredients. Opt for products that offer pharmaceutical-grade L-glutamine.

  2. Brand Reputation: Choose brands with a strong reputation for quality and safety. Look for third-party testing or certifications.

  3. Form: Glutamine supplements are available in various forms, including powder, capsules, or tablets. Powders are popular due to their ease of mixing into shakes and pre-workout drinks.

  4. Dissolvability: Quality glutamine powders should dissolve easily in liquids without leaving residue, ensuring efficient absorption.

  5. Price and Value: While price is a consideration, focus on getting the best value in terms of quality and effective dosage.

Glutamine vs. Other Protein Powders

To understand how glutamine fits into your supplementation strategy, it's helpful to compare it with other protein sources like casein and soy protein powders. Each has unique benefits:

  • Casein Protein Powder Benefits: Casein is slow-digesting, providing a steady release of amino acids, making it ideal for nighttime use or prolonged periods of fasting.

  • Soy Protein Powder Benefits: Soy protein is a plant-based source that is rich in essential amino acids and offers benefits for heart health and muscle growth.

Incorporating a variety of supplements, including glutamine, can help optimize your health and fitness outcomes.

Conclusion

Glutamine powders are a valuable supplement for anyone looking to enhance muscle recovery, boost immune function, and support overall health. By choosing a high-quality glutamine powder and understanding how it works alongside other protein supplements, you can make informed decisions to meet your fitness and dietary goals. Remember to consult with a healthcare provider or nutritionist before starting any new supplement regimen.