Free shipping on All Orders. No Minimum Purchase





Couldn't load pickup availability
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Onnit Glutamine is a pure, unflavored L-glutamine supplement formulated to support muscle repair, gut lining integrity, and immune system strength. Each scoop delivers 5g of free-form glutamine with no additives or fillers. This non-GMO, gluten-free, and vegan-friendly powder mixes easily with any beverage and is ideal for athletes, gym-goers, and those seeking digestive and immune wellness. Certified by Informed Sport for safety and purity.
Key Benefits
| Attribute | Details |
|---|---|
| Product Name | Onnit Glutamine Amino Acid Supplement |
| Net Weight | 11.1 oz (315 g) |
| Form | Unflavored Powder |
| Primary Use | Muscle Recovery & Gut Health |
| Nutrient | Amount per Serving |
|---|---|
| Calories | 20 |
| L-Glutamine (Free-Form) | 5,000 mg (5g) |
Dosage & Usage Instructions
Ingredient Breakdown + Synergy
Synergy:
The purity of single-ingredient glutamine maximizes absorption without interference, ideal for stacking with other recovery or gut support supplements. It works well with electrolytes or collagen for total-body wellness.
FAQ
Q1: What is Onnit Glutamine Amino Acid Supplement used for?
A1: It supports muscle recovery, gut lining health, and immune function with 5g of pure L-glutamine per serving.
Q2: Can I stack Onnit Glutamine with other supplements?
A2: Yes, it’s unflavored and filler-free, making it safe to combine with creatine, BCAAs, collagen, or pre/post-workout formulas.
Q3: Is Onnit Glutamine powder vegan and non-GMO?
A3: Yes, it is both vegan-friendly and certified Non-GMO.
Q4: When is the best time to take Onnit Glutamine?
A4: After workouts and before bed are ideal times for absorption and muscle repair.
Q5: Does Onnit Glutamine help with digestion?
A5: Yes, glutamine supports the intestinal lining and may help improve gut comfort and regularity.
Q6: Is it safe for long-term daily use?
A6: Yes, daily use is safe. It's a naturally occurring amino acid and well-tolerated.
Q7: How should I mix this glutamine powder?
A7: Mix 1 scoop with 6–8 oz of water or your preferred drink. It dissolves quickly.
Q8: Does this supplement have any flavor or sweeteners?
A8: No, it’s completely unflavored with no artificial or natural sweeteners.
Q9: Can I take this if I’m sensitive to dairy, soy, or gluten?
A9: Yes, it is soy-free, gluten-free, and dairy-free.
Q10: Is Onnit Glutamine third-party tested for quality?
A10: Yes, it is Informed Sport Certified for purity and banned substance screening.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Thanks for subscribing!
This email has been registered!
Choose options
| Product | SKU | Description | Collection | Availability | Product type | Other details |
|---|