Source Naturals L-Glutamine, Free Form Amino Acid that Supports Metabolic Energy*, 500mg - 50 Capsules
Stock Expiry Date*: 31-10-2027
Made in the USA
100% Authentic — Sourced directly from manufacturers or their authorized dealers!
- The brain needs glumatic acid as a fuel to power numerous brain functions but it cannot cross the blood brain barrier. l-Glutamine can more easily enter the brain and be converted into glutamic acid, a neurotransmitter believed to support mental alertness and mood.*
- Glutamic acid is a precursor to the important inhibitory neurotransmitter GABA (gamma-aminobutyric acid)
- 1 capsule daily.
- Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optimal health.
- Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).
| Brand | Source Naturals |
| Product Type | L-Glutamine |
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5% off when you buy 4 or more.
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Get 5% off your next purchase.
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SKU |
BRSWIY35BN4BYC36 |
Category |
Vitamins, Minerals & Supplements , Amino Acids , L-Glutamine |
Tags |
Source Naturals L-Glutamine
Support your brain’s energy needs with Source Naturals L-Glutamine, a free-form amino acid designed to help fuel mental function. This supplement is backed by over 40 years of trusted quality and manufacturing expertise.
Key Highlights
- Supports Brain Energy*: L-Glutamine can more easily enter the brain to be converted into glutamic acid, a key component for mental function.
- May Promote Mental Alertness*: Glutamic acid is a precursor to GABA, a neurotransmitter that may contribute to a sense of mental alertness.
- Trusted Quality*: Manufactured in Scotts Valley, CA, under Good Manufacturing Practices (cGMPs) by Source Naturals, established in 1982.
- Convenient Dosage*: Easy to incorporate into your daily routine with just one capsule.
Useful Facts
- Product Type: L-Glutamine
- Vendor: Source Naturals
- Capsules: 50
- Serving Size: 1 capsule daily
- Manufactured in: Scotts Valley, CA
Good Fit For
- Individuals seeking to support cognitive function.
- Those interested in optimizing brain energy levels.
- People looking for a supplement from a trusted, established brand.
Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.
Recently tracked orders
| Order Number | Carrier | Final Mile Tracking Code | Last Update | Track |
|---|---|---|---|---|
| NC16258 | Gls Group | 984228959700 | 2026-07-21 | Track |
| NC15723 | Gls Group | 984228948810 | 2026-07-21 | Track |
| NC14622 | Gls Group | 984227586624 | 2026-07-21 | Track |
| NC11391 | Gls Group | 984228934875 | 2026-07-21 | Track |
| NC05814 | Springtracking | LX079967190NL | 2026-07-21 | Track |
Disclaimer
Dietary supplements are not medicines. Products sold on this website are not intended to diagnose, treat, cure, or prevent any disease. If you have a medical condition then always consult a qualified healthcare professional before use. Individual results may vary. By placing an order, you agree to comply with your country’s import regulations. We cover applicable duties and taxes where stated.
*Expiry Date Information:
Please note that the expiry date may vary from batch to batch. However, we guarantee that all products shipped to our customers have a valid shelf life and will not be expired at the time of delivery.