L-Glutamine: The Multi-Tasking Amino Acid for Gut, Immune, Muscle & Brain Health

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Amino acids are the building blocks of protein, but some play far bigger roles in the body than others. L-Glutamine is one of them. As the most abundant free-form amino acid in the body, it represents nearly 40–60% of the body’s total amino acid pool and is critical for supporting energy, gut health, immune defense, and recovery.

Why L-Glutamine Matters

Often called a “multitasker” nutrient, L-Glutamine supports multiple systems:

  • Gut Integrity – fuels the mucosal cells of the intestine, helping to repair and maintain the intestinal wall, supporting a healthy gastrointestinal tract.

  • Immune Function – serves as a primary fuel source for immune cells, helping the body maintain resilience.

  • Muscle Recovery – supports lean muscle growth, tissue repair, and recovery after exercise while reducing soreness.

  • Antioxidant Production – promotes the body’s production of glutathione, the master antioxidant, for detoxification and oxidative stress protection.

  • Brain Support – acts as fuel for brain cells and as a precursor for neurotransmitters, supporting cognition, mood, and mental energy.

Key Benefits

  • Supports muscle growth and recovery

  • Promotes a healthy immune response

  • Aids in digestion and gut lining repair

  • Increases glutathione production for antioxidant defense

  • Helps sustain mental energy and brain health

Ingredients in L-Glutamine

Two delivery options available:

  • Capsules: Each capsule provides 850 mg of free-form L-glutamine

  • Powder: Each serving (¾ teaspoon) provides 3 g of free-form L-glutamine

Other Features:

  • Vegan

  • Dairy-free

  • Gluten-free

  • Soy-free

  • Non-GMO

  • Powder is unflavored and unsweetened—easy to add to water, juice, or shakes

Recommended Use

  • Capsules: Take 1 capsule daily, or as directed by your healthcare practitioner.

  • Powder: Take 3 g daily (about ¾ teaspoon) mixed into water, juice, or shakes, or as directed by your healthcare practitioner.

Final Thoughts

L-Glutamine is far more than just an amino acid—it’s a versatile nutrient that supports gut integrity, immune strength, muscle recovery, antioxidant defense, and brain energy. Whether you’re an athlete, someone supporting gut health, or simply looking to boost resilience, L-Glutamine is a foundational nutrient that delivers wide-reaching benefits.

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L-Glutathione Power™: The Master Antioxidant for Detox, Immunity, and Healthy Aging

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L-Arginine: Amino Acid Support for Heart and Immune Health