Glutamine is the most abundant amino acid in the body, comprising more than 60% of the free amino acid pool in skeletal muscle and greater than 20% of total circulating amino acids. 

Because L-Glutamine may support muscle recovery from exercise, each serving of Optimum Nutrition's Glutamine Powder provides 5 grams of pure L-Glutamine, and because it's unflavored, you can mix it right into your post-workout protein shake.


  • Made with Pure L-Glutamine
  • Unflavored Versatility
  • Add to Protein & MRP Shakes
  • Mixes Easily with a Spoon
  • Supports Muscle Recovery Efforts


Add 1 rounded teaspoon of Glutamine Powder with a glass filled with 8-12 oz of cold water or fruit juice. Then mix it up with a spoon. TIP: Power-up protein, meal-replacement, and weight-gainer shakes with a rounded teaspoon of Glutamine Powder .



Container: 150g
One Serving: 1 Scoop (5g)
Servings Per Container: 30
Container: 300g
One Serving: 1 Scoop (5g)
Servings Per Container: 60