Highly Rated
Optimum Nutrition Glutamine Powder – 5g Glutamine, Unflavored, 1kg Bottle
Highly Rated
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Amazon's Choice
Pharmaceutical Grade - 99.9% Pure L-Glutamine

Optimum Nutrition L-Glutamine Powder

Pure L-Glutamine for Gut Lining & Immune Support

35 $
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Essential amino acid that directly nourishes and repairs the intestinal lining

Pure pharmaceutical-grade L-glutamine powder that supports gut lining health, immune function, and digestive barrier integrity.

  • ✓ 5 g pure L-Glutamine per serving
  • ✓ 100% unflavored, easy-mix powder

Thrive.

Feel your best every day with our proven gut-boosting solutions.

Frequently Asked Questions

What is gut health?

Gut health refers to the balance of microorganisms that live in the digestive tract. A healthy gut is essential for digestion, nutrient absorption, and overall health.

Learn more about gut health
How can I improve my gut health?

You can improve your gut health by eating a balanced diet rich in fiber, probiotics, and prebiotics, staying hydrated, and managing stress.

Explore gut health tips
What are probiotics and prebiotics?

Probiotics are live bacteria that are beneficial for gut health, while prebiotics are types of fiber that feed these good bacteria.

Discover more about probiotics and prebiotics
What foods are good for gut health?

Foods that are good for gut health include yogurt, kefir, sauerkraut, bananas, garlic, onions, and whole grains.

View our gut-friendly recipes
Can stress affect gut health?

Yes, stress can negatively impact gut health by altering gut bacteria and increasing inflammation, which can lead to digestive issues.

Read about the gut-brain connection
What are the signs of an unhealthy gut?

Signs of an unhealthy gut may include bloating, gas, diarrhea, constipation, food intolerances, and fatigue.

Learn about gut health symptoms
How does diet impact gut health?

Diet plays a crucial role in gut health by influencing the composition of gut bacteria. A diet high in processed foods can lead to an imbalance in gut flora.

Find out how to optimize your diet
Should I take supplements for gut health?

While some people may benefit from gut health supplements, it's best to consult with a healthcare professional before starting any new supplement regimen.

Consult our nutrition experts