L-GLUTAMINE

What athlete doesn’t want to provide their body with the optimal amount of building material for building muscle mass? GAT Sport L-GLUTAMINE unflavored powder can easily be added to protein shakes, pre- or post-workout drinks or your favorite flavored beverage. Make its taste your own!

Price Free shipping $50+
Sale price$19.99

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Why L-GLUTAMINE

5g of pure L-GLUTAMINE    

Per serving, its potent enough to be used by some of the world’s greatest physique and performance athletes. Plus, it is sugar-free and contains no salt, starch, yeast, milk, egg, shellfish, preservatives, additives, dilutants, artificial flavors or colors. None!

Provides Anti-Catabolic Support   

Who wouldn’t want to recover after a workout more rapidly, more efficiently and without greater muscle soreness? After a hard workout at the gym, sip on GAT Sport L-GLUTAMINE in one of your favorite beverages and watch how it helps to speed up your recovery time!   

Helps Increase Glycogen Storage   

More is always better!  Greater glycogen storage fuels your muscles for intense back-to-back training sessions helping you reach your goals faster!

L-Glutamine is one of the most popular dietary supplements among strength and endurance athletes, helping to promote sports performance, muscle growth, recovery, and even digestion. GAT Sport L-GLUTAMINE offers a convenient, high quality unflavored powder that is unrivaled in its amino acid pharmaceutical-quality and purity.

  • 5g Per Serving
  • Provides Anti-Catabolic Support
  • Helps Increase Glycogen Storage

Build your stack

Pair this product with complementary GAT Sport products to cover energy, strength, and recovery.

Real Customers

4.7

25 reviews

Customer Reviews

Based on 25 reviews
88%
(22)
4%
(1)
4%
(1)
0%
(0)
4%
(1)
S
Sierra Norris

Love this product!

R
Rob H.

good product,should be added too your building recovery supplements.

E
Eduardo lemus

Muy buen producto lo recomiendo..

E
Eduardo lemus

Muy buen producto 🫡

I
Ishmiel K
ONLY THE BEST

INCOMPARABLE!!!!!

  • 3rd-Party Tested
  • Authenticity Verified
  • cGMP Manufacturing

Compare products

See how these options differ on intended use, timing, and key specs.

L-GLUTAMINE
Your pickPowder

L-GLUTAMINE

Best for

Strength and endurance athletes focused on recovery

When to use

Twice daily; timing is flexible around training

Key specs

5g pharmaceutical-grade L-Glutamine per serving

Flavors available

One formula
Capsule

L-ARGININE

Best for

Nitric oxide, blood flow and muscle pump support

When to use

Twice daily between meals or at bedtime; take with a carbohydrate drink

Key specs

L-Arginine HCl + Calcium Phosphate

Flavors available

One formula
Powder

BETA-ALANINE

Best for

Muscular endurance and high-intensity training support

When to use

Before workouts

Key specs

2g Beta-Alanine (CarnoSyn®) per serving

Flavors available

One formula

Select size or flavor

L-GLUTAMINE Supplement facts

How to use & important info

How to use

BODYBUILDING & SPORTS TRAINING: Take 1 serving mixed with 6-8oz of water or other beverage, twice daily (2 servings total). 
DIETING: When dieting (especially low-carb diets) for weight loss or physique competitions, take 2 servings mixed with 8-10oz of water, twice daily (4 servings total).

Frequently Asked Questions

We know that choosing the right supplements and vitamins is an essential part of your health and fitness journey. That’s why we’ve put together answers to the most common questions our customers ask, covering everything from ingredient transparency to usage.

Key Ingredients

Key actives and what they do — open a row for the full dose detail.

L-Glutamine

A pure amino acid and potent enough to be used by some of the world’s greatest physique and performance athletes. Each serving supplies 5.0g of high-quality, pharmaceutical-grade L-Glutamine.