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Customer Reviews
4.6 out of 5 stars 1,654
4.3 out of 5 stars 7,306
4.7 out of 5 stars 16,722
4.7 out of 5 stars 2,432
4.8 out of 5 stars 10,963
4.4 out of 5 stars 6,351
4.3 out of 5 stars 2,502
Price
$26.00$26.00
$36.00$36.00
$44.00$44.00
$26.00$26.00
$20.00$20.00
$44.00$44.00
$52.00$52.00
Servings
90
30
90
90
60
30
60
Primary Benefits
Gut Health
Foundational Support
Sports Performance
Muscle & Sleep Support
Immune Support
Heart & Gut Health
Muscle & Sleep Support
Key Ingredients
L-Glutamine
Vitamin B, Magnesium
Creatine Monohydrate
Magnesium Glycinate
Zinc (Picolinate)
Berberine Phytosome
Magnesium
Gluten & Dairy Free
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Trusted by 45K+ Health Pros
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3rd Party Certified
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What makes Thorne supplements high quality?
Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.
How does Thorne test its supplements for quality?
To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.
Are Thorne supplements clinically tested and safe?
Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.
Why are Thorne products more expensive than other supplements?
When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard.
Where are Thorne supplements made and where are the ingredients sourced from?
Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.
Is Discontinued By Manufacturer : No
Product Dimensions : 2.09 x 2.09 x 3.72 inches; 0.02 ounces
Item model number : SA518
Date First Available : April 11, 2005
Manufacturer : Thorne Research
ASIN : B0797N816M
Best Sellers Rank: #9,311 in Health & Household (See Top 100 in Health & Household) #5 in L-Glutamine Nutritional Supplements
Customer Reviews: 4.6 4.6 out of 5 stars (1,654) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
GI Health: A single-amino acid formula that helps maintain gut permeability and a healthy lining to the gastrointestinal tract, which is the body’s greatest user of glutamine*
Exercise Recovery: Promotes collagen formation to maintain joint strength, and helps to restore plasma glutamine levels, which are often depleted after periods of physical stress, such as prolonged athletic training*
Immune Function: Helps maintain optimal health throughout the body when faced with occasional stress or an insufficient diet*
Third-Party Certified: This product has been third-party tested and certified to verify what’s in the package matches what’s on the label and to confirm it contains no unsafe levels of contaminants
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
9 reviews for THORNE – L-Glutamine – Amino Acid Supplement for Immune System & GI Health – Promotes Post-Exercise Muscle Cell Repair* – Third-Party Certified – Gluten, Dairy & Soy-Free – 90 Capsules
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