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The THORNE - L-Glutamine Powder - Amino Acid Supplement for Immune from THORNE is engineered to deliver results you can feel.
Glutamine supports gut health and muscle recovery — this is a clean, effective option.
THORNE's L-glutamine supplement supports gut health, immune function, and post-workout muscle recovery.
NSF Certified for Sport — tested for banned substances and label accuracy, making it a trusted choice for competitive athletes.
A practical addition to your daily wellness routine.
Suitable for vegetarians, so you can supplement confidently on a plant-inclusive diet.
A premium-tier product for those willing to invest in top-shelf formulations.
Typically ranges from $61–$71 — a competitive price point for the US market.
A well-rounded offering from THORNE that checks the right boxes for most users.
The brand behind this product — their story and what they stand for.
Physician-trusted supplement brand used by elite athletes and partnered with Mayo Clinic. NSF Certified for Sport.
Understand which fitness goals this product is best suited for.
General Health
A solid addition to your daily wellness routine, supporting overall nutrition and vitality.
A quick look at pricing, tier, and how it stacks up against the category average.
See how this product compares to similar options in its category.
| This Product | Double Wood Supplements | Clean Nutraceuticals | Horbäach | |
|---|---|---|---|---|
| Price | $67.00 | $9.95 | $9.95 | $10.99 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✓ | ✓ | ✗ | ✓ |
| Rating | 4.7 ★ | 4.6 ★ | 4.5 ★ | 4.7 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
Yes, this product has been lab tested by NSF Certified for Sport. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
Double Wood Supplements
L Glutamine Capsules - (1000mg Servings, 120 Capsules) Non-GMO, Gluten Free, Keto Safe, Vegan Friendly, Third Party Tested (for Endurance and Gut Health) by Double Wood
Clean Nutraceuticals
Clean Nutraceuticals Colostrum Supplement Capsules Probiotics Pills Prebiotics, L-Glutamine, Digestive Enzymes, Folate, Fiber, ACV, Turmeric, Apple Pectin and Turmeric Pills
Horbäach
Horbaach L Glutamine Capsules 1000mg | 180 Powder Pills | Supplement for Women and Men | Pre Workout & Post Workout | Non-GMO & Gluten Free
Life Extension
Life Extension L-Glutamine, 500 mg L-glutamine, Amino Acid, Supports Muscle Health and Immune Health, Gluten-Free, Non-GMO, 100 Vegetarian Capsules
In-depth guides and articles to help you make a more informed choice.
