Essential for protein synthesis


Boost your immune system


Ultrapure Micronized Glutamine

GLUTAMINE is the most abundant amino acid found in the body and is also known as a non- essential amino acid. It is used for various functions in human metabolism and is the ultimate amino acid when it comes to repair, recovery and reducing muscle soreness.

Supplementing with StarLabs ® GL5, before and immediately after training, will enhance your natural level of glutamine and lead to faster muscle recovery. It will also help your immune health and can promote an increase in muscle mass.

Make your combinations

GL5 mixes easily and is unflavored making it suitable to add to your favorite protein, meal replacement or weight-gainer shake.

Improve your health

GLUTAMINE is an important fuel source for the cells of the immune system. It can help athletes fight disease and infection because it helps to maintain the health and integrity of the gastrointestinal tract. It is also a source of fuel for the cells of the intestine, which improves its function and absorption.


1. Improves the immune system

2. Essential for protein synthesis

3. Helps repair and build muscle mass

4. Key PRODUCT for any athlete


  • People in situations of intense stress, as during a strenuous exercise, helping to maintain muscular integrity.

  • Athletes with a diminished immune system or at risk of infections or other related diseases.

  • Intense physical exercises and overtraining, stimulating the production of growth hormone and counteracting cortisol catabolic effect.

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