10 Best Glutamine Supplement of 2025

Unlock peak performance with our in-depth glutamine supplement comparison! Discover top picks, maximize muscle recovery, and boost your fitness journey. Dive in to find your perfect match! 🚀✨

Updated: July 28, 2025

1
Best Overall
41% off
Nutricost L-Glutamine Powder 1 KG - Rank 1 in Best Glutamine Supplement of 2025

Nutricost L-Glutamine Powder 1 KG

  • High-quality, pure L-Glutamine powder.
  • Free from gluten and GMOs.
  • Large 1 KG container for extended use.
9.8
(5,011 reviews)
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2
Best Affordable
Nutricost L-Glutamine Powder Unflavored 500g - Rank 2 in Best Glutamine Supplement of 2025

Nutricost L-Glutamine Powder Unflavored 500g

  • Unflavored for versatile mixing options.
  • Gluten-free and non-GMO formulation.
  • Provides 100 servings per container.
9.6
(12,829 reviews)
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3
Designs for Health L Glutamine Powder 3000mg - Rank 3 in Best Glutamine Supplement of 2025

Designs for Health L Glutamine Powder 3000mg

  • High potency with 3000mg per serving.
  • Supports muscle recovery and gut health.
  • Non-GMO and gluten-free formula.
9.3
(269 reviews)
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4
Sports Research L-Glutamine Powder - 5 G Per Serving - Rank 4 in Best Glutamine Supplement of 2025

Sports Research L-Glutamine Powder - 5 G Per Serving

  • 5 grams of L-Glutamine per serving
  • Supports workout recovery and immune health
  • High-quality, easy-to-mix powder
8.9
(413 reviews)
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5
Designs for Health L Glutamine 850mg Supplement - Rank 5 in Best Glutamine Supplement of 2025

Designs for Health L Glutamine 850mg Supplement

  • High potency with 850mg per serving
  • Supports muscle recovery and gut health
  • Non-GMO and gluten-free formula
8.6
(259 reviews)
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6
Micro Ingredients L-Glutamine Powder 1Kg - Rank 6 in Best Glutamine Supplement of 2025

Micro Ingredients L-Glutamine Powder 1Kg

  • 100% pure with no fillers or additives
  • Supports muscle recovery post-workout
  • Vegan, non-GMO, and gluten-free
8.4
(841 reviews)
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7
Pure L-Glutamine Powder - 200 Servings - Rank 7 in Best Glutamine Supplement of 2025

Pure L-Glutamine Powder - 200 Servings

  • Vegan, Non-GMO, Gluten and Soy Free
  • Made in the USA with pure ingredients
  • No artificial additives or fillers
8.2
(1,939 reviews)
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8
Popular
25% Coupon
Creatine + Glutamine Supplement - 30 Servings - Rank 8 in Best Glutamine Supplement of 2025

Creatine + Glutamine Supplement - 30 Servings

  • Combines creatine and L-glutamine for comprehensive benefits.
  • Supports muscle recovery and growth effectively.
  • Unflavored for easy mixing with any drink.
8.0
(12,074 reviews)
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9
Primaforce L-Glutamine Powder 500g - Rank 9 in Best Glutamine Supplement of 2025

Primaforce L-Glutamine Powder 500g

  • Pure and high-quality L-Glutamine powder.
  • Mixes easily into drinks or shakes.
  • Supports muscle recovery and gut health.
7.8
(360 reviews)
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10
15% Coupon
EHP Labs L Glutamine Powder 500g - Rank 10 in Best Glutamine Supplement of 2025

EHP Labs L Glutamine Powder 500g

  • Supports workout recovery effectively.
  • Promotes immune and gut health.
  • Offers 100 servings per container.
7.7
(276 reviews)
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Overview of glutamine supplement

Glutamine is an essential amino acid that plays a crucial role in muscle recovery and immune function, making it a popular supplement for athletes and fitness enthusiasts. Whether you're looking to enhance your workout performance, speed up recovery, or support your overall health, finding the right glutamine supplement can make a significant difference. This guide will help you navigate through the best glutamine supplements available, so you can choose the one that best meets your needs and helps you achieve your fitness goals.

Frequently Asked Questions

What are the benefits of taking a glutamine supplement?

A glutamine supplement can help support muscle recovery, improve gut health, and boost immune function, making it a popular choice for athletes and fitness enthusiasts.

When is the best time to take a glutamine supplement?

It's often recommended to take a glutamine supplement post-workout to aid in muscle recovery, or before bed to support overnight muscle repair and immune health.

Can a glutamine supplement help with muscle soreness?

Yes, a glutamine supplement can help reduce muscle soreness by speeding up recovery and decreasing muscle breakdown after intense exercise.

Is a glutamine supplement safe for long-term use?

Generally, a glutamine supplement is considered safe for long-term use when taken as directed, but it's always best to consult with a healthcare provider before starting any new supplement regimen.

How does a glutamine supplement support gut health?

A glutamine supplement supports gut health by maintaining the integrity of the intestinal lining, which can help prevent leaky gut syndrome and support overall digestive function.