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Optimum Nutrition brings the Optimum Nutrition L-Glutamine Muscle Recovery Capsules to your fitness arsenal — here's what sets it apart.
For those who train hard and need to bounce back faster, glutamine is a smart addition.
Optimum Nutrition's L-glutamine supplement supports gut health, immune function, and post-workout muscle recovery.
Informed Sport certified, meaning every batch is tested for banned substances and purity.
Suitable for vegetarians, so you can supplement confidently on a plant-inclusive diet.
Priced competitively, offering solid value without cutting corners on quality.
Typically ranges from $18–$21 — a competitive price point for the US market.
A well-rounded offering from Optimum Nutrition that checks the right boxes for most users.
The brand behind this product — their story and what they stand for.
Trusted American sports nutrition brand since 1986. Gold Standard Whey is the world's best-selling protein powder, backed by decades of quality manufacturing.
Understand which fitness goals this product is best suited for.
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 | Clean Nutraceuticals | Double Wood Supplements | Horbäach | |
|---|---|---|---|---|
| Price | $19.99 | $9.95 | $9.95 | $9.99 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✓ | ✗ | ✓ | ✓ |
| Rating | 4.6 ★ | 4.5 ★ | 4.6 ★ | 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 Informed Sport. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
Clean Nutraceuticals
Clean Nutraceuticals Colostrum Supplement Capsules Probiotics Pills Prebiotics, L-Glutamine, Digestive Enzymes, Folate, Fiber, ACV, Turmeric, Apple Pectin and Turmeric Pills
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
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.
