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Glutamine is the most abundant amino acid in the body. It is used for various functions in human metabolism and is the ultimate amino acid when it comes to repairing, recovering and reducing muscle pain.


GL5 Glutamine from Starlabs Nutrition contains 100% Kyowa quality L-Glutamine. It allows to have a complete action on your recovery and your protein synthesis.
L-glutamine is the most abundant free amino acid in the muscle tissue, it is an essential amino acid recovery, it boosts the immune system, acts as a main ally of the good health of the intestine, and promotes the taking of dry muscle. 


  • Kyowa® Quality
  • Improve recovery
  • Promotes muscle growth


Take a dose in the morning after sunrise, after training and at bedtime.




Valeur nutritive par portion
Voedingswaarde per portie
Nutritional value per serving
(= 5gr)
% AJC (par dose)
% ADH (per portie)
% RDA (per serving)
L-Glutamine 5000 mg -