Best Fitness L-Glutamine Supplements of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 11 Feb 2025

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For those looking to improve their athletic performance, increase muscle mass, and aid in post-workout recovery, fitness L-glutamine supplements may be a suitable option. L-glutamine is a naturally occurring amino acid in the body and is essential for the growth and repair of muscles. These supplements come in various forms such as capsules, powders, and tablets, and are designed to provide the body with an extra dose of L-glutamine to aid in muscle recovery and growth. It is essential to consult with a healthcare professional before taking any supplements to ensure they are suitable for your individual needs.

At a Glance: Our Top Picks

Applied Nutrition L Glutamine Powder for Recovery Cover #TOP 1
Applied Nutrition L Glutamine Powder for Recovery
ftb score rating icon 9.9
Nutrivo L-Glutamine 800mg Capsules for Recovery Cover #TOP 2
Nutrivo L-Glutamine 800mg Capsules for Recovery
ftb score rating icon 9.8
BioTechUSA 100% L-Glutamine 5,000mg Unflavored Cover #TOP 3
BioTechUSA 100% L-Glutamine 5,000mg Unflavored
ftb score rating icon 9.6

Top 9 Fitness L-Glutamine Supplements

Applied Nutrition L Glutamine Powder for Recovery

Applied Nutrition L Glutamine Powder for Recovery Cover
Applied Nutrition L Glutamine Powder - Amino Acid, Muscle Strength & Recovery, Boosts Immune System, Unflavoured (500g - 100 Servings)

Applied Nutrition L Glutamine is a pharmaceutical-grade supplement designed to support your fitness journey. It helps replenish glutamine levels that drop during exercise, ensuring you can recover quickly. As a conditionally essential amino acid, it plays a crucial role in muscle growth and repair, making it ideal for those striving to build strength. Additionally, this product supports your immune system and gastrointestinal health, keeping you fit and ready to tackle your training goals.

What We Like
Pharmaceutical-grade quality
Replenishes glutamine levels
Supports muscle growth
Boosts immune system

Nutrivo L-Glutamine 800mg Capsules for Recovery

Nutrivo
Nutrivo L-Glutamine 800mg Capsules for Recovery Cover
L-Glutamine 800mg Capsules | 90 Capsules Per Pouch | L-Glutamine Nutritional Supplements | Supports Muscle and Gut Health | Good Alternative to Powder and Tablets | Vegan & UK Made

Nutrivo L-Glutamine Capsules offer essential support for muscle recovery and endurance, making them a perfect choice for your post-workout routine. These capsules aid in repairing leaky gut, promoting digestive health and balance. They also enhance your immune system function, as L-Glutamine is crucial for your body’s natural defences. With vegan, gluten-free, and non-GMO ingredients, you can feel confident in your dietary choices while enjoying the convenience of easy-to-swallow capsules.

What We Like
Supports muscle recovery
Promotes gut health
Boosts immune function
Vegan and gluten-free
Convenient capsule form
#TOP 3

BioTechUSA 100% L-Glutamine 5,000mg Unflavored

5999076204311
500g
500 g (Pack of 1)
BioTechUSA 100% L-Glutamine 5,000mg Unflavored Cover
BioTechUSA 100% L-Glutamine | 5,000mg Pure Amino acids | Unflavored | Sugar-Free | Ideal for Fitness Enthusiasts & Competitive Athletes | 500g

BioTechUSA L-Glutamine offers a potent dose of 5,000 mg of pure L-Glutamine per serving, perfect for your supplementation needs. With 100% purity, it is free from lactose, gluten, and sugar, making it a safe choice for various dietary requirements. Its unflavoured nature allows you to mix it effortlessly with your favourite drinks or protein powders, adding convenience to your fitness routine. Designed for all athletes, this product caters to bodybuilders and competitive sports enthusiasts alike, ensuring you get the most from your training.

What We Like
High potency dosage
100% purity
Unflavoured for versatility
Suitable for all athletes
#TOP 4

Optimum Nutrition Unflavoured Glutamine Powder

Optimum Nutrition Unflavoured Glutamine Powder Cover
Optimum Nutrition Glutamine Powder, l-Glutamine Amino Acid Powder, Food Supplement, Pre and Post Workout Shake, Unflavoured, 123 Servings, 630 g

Optimum Nutrition Glutamine is an unflavoured powder that delivers 5 g of L-Glutamine per serving. This amino acid is vital for muscle health, aiding in muscle gain and maintenance. You can easily add it to your protein shake before or after workouts, whether you're running, swimming, or engaging in strength training. Mixing 1 level scoop in cold water or your favourite sports drink creates a smooth, lump-free smoothie, making it a convenient addition to your fitness routine.

What We Like
High-quality L-Glutamine source
Easy to mix and use
Supports muscle gain and recovery
Unflavoured for versatility
#TOP 5

L-Glutamine Powder 150g - Vegan Formula

ALP-GLUTA-150G-PW-BAG-UK
150g
L-Glutamine Powder 150g - Vegan Formula Cover
L-Glutamine Powder 150g - 5 Grams per Serving – Vegan Fermented Amino Acid – 100% Pure Formula – Halal (Unflavoured)

L-Glutamine Powder is a 100% pure, vegan-friendly supplement that provides 5 grams of L-Glutamine per serving. As the most abundant amino acid in the body, it supports muscle recovery and performance, making it ideal for athletes and fitness enthusiasts alike. The unflavoured powder easily blends with your favourite drinks or protein shakes, offering versatility for your dietary needs. Additionally, this product is free from GMOs, gluten, and additives, ensuring a clean supplement to support your health and fitness goals.

What We Like
High-quality vegan formula
Supports muscle recovery
Unflavoured for versatility
Non-GMO and gluten-free
#TOP 6

Warrior Glutamine Powder for Muscle Recovery

B166
White
Warrior Glutamine Powder for Muscle Recovery Cover
Warrior Glutamine Powder 300 g – Pure Micronised L-Glutamine – Amino Acid – Muscle Growth and Recovery Supplement, Plus Immune System Support, 60 Servings (Unflavoured)

The Warrior Glutamine Powder is designed to support your muscle recovery after intense workouts. By helping to repair muscle tissues, it reduces soreness and speeds up healing, allowing you to perform better. Additionally, it boosts your immune function, contributing to overall health and well-being. This supplement also promotes gut health, improving digestion and supporting your digestive system. Finally, it enhances athletic performance by replenishing muscle glycogen stores, helping you sustain energy levels during prolonged exercise.

What We Like
Supports muscle recovery
Boosts immune function
Promotes gut health
Enhances athletic performance

Iron Labs Nutrition L-Glutamine Capsules

ILN-GLUTAMINE-240S
Iron Labs Nutrition L-Glutamine Capsules Cover
Glutamine - 3000mg L Glutamine Per Serving - Enhanced with D3 & B12 - Vegan and Vegetarian L-Glutamine (240 Capsules - 40 Servings)

Iron Labs L-Glutamine offers a powerful 3000mg of L-Glutamine per serving, ideal for both men and women looking to enhance their fitness routine. With convenient capsules, you can easily take your daily dose without the hassle of mixing powders, making it a mess-free solution. Each large container contains 240 capsules, ensuring you have enough for 40 daily servings. Manufactured in compliance with UK regulations, this supplement uses non-GMO ingredients, so you can trust the quality and safety of what you're taking.

What We Like
High dosage per serving
Convenient capsule format
Large supply in one container
Non-GMO ingredients
Suitable for all athletes

Lindens L-Glutamine 500mg Muscle Support

5712
Cream
Lindens L-Glutamine 500mg Muscle Support Cover
Lindens - L-Glutamine 500mg, 90 Capsules - UK Made - Anabolic Support, Muscle Recovery & Tissue Repair - Amino Acid Source, Rapid Release - Letterbox Friendly, Vegan

Lindens L-Glutamine provides a powerful source of this essential amino acid, supporting muscle function and cellular health. With its role in protein synthesis and tissue repair, this supplement is ideal for enhancing your muscle recovery. The highly bioavailable, rapid-release capsules ensure that you absorb the L-Glutamine effectively, helping you achieve your fitness goals. Designed for convenience, these easy-to-take capsules fit seamlessly into your daily routine.

What We Like
Supports muscle recovery
Easy to take capsules
Highly bioavailable formula
Convenient packaging
#TOP 9

L-Glutamine 500mg Capsules for Recovery

fmula+
L-Glutamine 500mg Capsules for Recovery Cover
L Glutamine Capsules 500mg - Pure Amino Acid Supplements - Faster Muscle Recovery & Reduced Soreness, Boost Energy & Performance - Vegan Muscle Repair Supplements for Men & Women - 90 Capsules

The L-Glutamine Capsules are designed to enhance your workout experience. With a potent 500mg dose, this supplement fuels your body during exercise, helping you recover faster and perform better. It supports muscle repair and reduces soreness after workouts, allowing you to maintain your fitness momentum. Additionally, these capsules boost your endurance and energy levels, which is essential for pushing your limits. Simple to use, you can easily incorporate them into your daily routine for effective results.

What We Like
Supports muscle recovery
Reduces post-exercise soreness
Boosts endurance and energy
Easy to incorporate into routine
Vegan and gluten-free
Buying Guide Image
Editor's Notes

During our fitness l-glutamine supplement research, we found 95 fitness l-glutamine supplement products and shortlisted 9 quality products. We collected and analyzed 11,466 customer reviews through our big data system to write the fitness l-glutamine supplements list. We found that most customers choose fitness l-glutamine supplements with an average price of £18.32.

The fitness l-glutamine supplements are available for purchase. We have researched hundreds of brands and picked the top brands of fitness l-glutamine supplements, including Applied Nutrition, Nutrivo, BioTechUSA, Optimum Nutrition, ALPHA01.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."