Description

L-glutamine, the most prevalent amino acid in the bloodstream, is found in high concentration in the gastrointestinal tract, which is the greatest user of glutamine. Many factors can play a part in the depletion of glutamine, such as food allergies, and various bodily insults like injury, infection, chronic stress, and being malnourished. Intense exercise can also adversely lower the blood level of glutamine and, if intense training is repeated without adequate recovery, then the level can remain low.


What causes glutamine depletion?

  • Prolonged exhaustive exercise
  • Extended periods of physical stress
  • Trauma or infection
  • Being malnourished
  • Chemotherapy


Benefits of Thorne L-Glutamine Powder

  • Benefits gastrointestinal health*
  • Improves gut permeability and optimal gut barrier function*
  • Supports cellular repair and collagen formation*
  • Helps maintain immune health*
  • Restores plasma glutamine levels depleted after periods of physical stress, such as prolonged exhaustive exercise*
  • Helps maintain a healthy stomach and intestinal lining*


Who can benefit from Thorne L-Glutamine Powder

  • Athletes or individuals who undergo intensive athletic training*
  • Individuals recovering from minor injury*
  • Anyone seeking support for a healthy GI lining and gut permeability*
  • Individuals with food allergies*
  • Helps restore plasma glutamine levels depleted after periods of physical stress, such as prolonged exhaustive exercise*


Because athletes need to know their supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® product is tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations.

Suggested Use:

Mix 1 scoop with at least 8 ounces of water, juice, or preferred beverage daily or as recommended by your health-care practitioner.

Warnings:

ALLERGY WARNING

This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

PREGNANCY

If pregnant, consult your health-care practitioner before using this product.

INTERACTIONS

There are no known adverse interactions or contraindications at publication date.

FAQs
Frequently asked question

Is this L-Glutamine powder worth buying for post-workout recovery?

Yes, especially if you train intensely or frequently. Intense exercise depletes glutamine levels in the blood, slowing recovery. Supplementing with L-glutamine powder helps restore those levels, supporting faster muscle repair and reducing fatigue. It's a simple, cost-effective addition to your recovery routine, particularly for athletes or anyone pushing hard in training without adequate rest between sessions.

What is your return policy if this L-Glutamine powder doesn't work for me?

We stand behind our products with a satisfaction guarantee. If you're unhappy with your purchase for any reason, please contact our customer support team within the return window stated at checkout. We'll work with you on a refund or exchange. We recommend checking the full returns policy on our website before purchasing so you know exactly what to expect.

What is L-Glutamine and what does it do in the body?

L-Glutamine is the most abundant amino acid in the bloodstream and plays a critical role in gut health, immune function, and muscle recovery. It's heavily concentrated in the gastrointestinal tract. The body produces it naturally, but stress, injury, illness, and intense exercise can deplete levels faster than the body replenishes them, making supplementation beneficial for many people.

Who should consider taking L-Glutamine powder?

L-Glutamine powder is ideal for athletes doing intense or frequent training, people experiencing chronic stress, those recovering from injury or illness, and individuals with gut health concerns. Anyone who is malnourished or has food allergies may also benefit, as these factors can deplete glutamine levels. Always consult a healthcare professional if you have underlying health conditions before starting supplementation.

How and when should I take L-Glutamine powder?

L-Glutamine powder is typically mixed with water or a beverage of your choice. Many users take it post-workout to support muscle recovery, while others take it in the morning or before bed for gut and immune support. Dosage varies by individual needs, so follow the serving suggestion on the label or consult a healthcare provider for personalized guidance.

Does intense exercise really lower glutamine levels?

Yes. Research shows that prolonged or high-intensity exercise significantly reduces blood glutamine levels. When training is repeated without enough recovery time, levels can remain chronically low. This can negatively impact immune function, muscle repair, and overall performance. Supplementing with L-Glutamine powder helps offset these losses, making it a popular choice among endurance athletes, bodybuilders, and frequent gym-goers.

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