L-Glutamine Double Strength is a dietary supplement for adults that helps with muscle recovery, gut health and immune function during tough training and daily life. Each capsule provides a pure dose of free form L glutamine to help restore nitrogen balance after workouts. NOW Foods prides itself on GMP certified facilities and allergen safety, giving you peace of mind alongside potent nutrition.

Available Sizes & Variants:

120 capsules - standard daily supply for steady use

Benefits & Features:

• Helps faster muscle recovery after tough workouts.
• Aids gut health by feeding enterocytes and immune cells.
• The key active ingredient, L-glutamine, acts as a major nitrogen transporter to support tissue growth and recovery.
• High quality and safety come from GMP standards that thoroughly screen each batch.
• Certified with Informed Sport and Informed Choice certifications helps athletes trust its suitability.

NOW Foods has built a long standing reputation for quality. GMP certified facilities, allergen safety, and non GMO ingredients are the standard. The product carries Informed Sport and Informed Choice certifications, indicating regular testing for purity and banned substances. L-glutamine is the star ingredient here, providing fuel for immune cells and gut lining, supporting recovery after hard sessions. For fans of l glutamine, this is a reliable option to add to a protein powder for muscle gain routine; it’s a pretty simple choice, really, and a staple at the supplement store near me.

Hypromellose (cellulose capsule), hydroxypropyl cellulose, stearic acid (vegetable source), magnesium stearate (vegetable source) and silicon dioxide.

• GTIN: 733739000941
• Manufacturer: Now Foods
• Categories: Gut Health SupplementsL-Glutamine Supplements, Powders & TabletsNew ArrivalsNOW Foods
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take 1 capsule up to 3 times daily, preferably between meals. Take 1 capsule 1 to 2 times daily with food.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: L-Glutamine (Free-Form)

L-Glutamine is basically an amino acid that occurs freely in the body and serves as a key nutrient for various tissues.

This form is free-form L-Glutamine, supplied as a dietary supplement to support your bodily functions related to nitrogen transport and tissue health.

What Does L-Glutamine Do?

Scientific research suggests that L-Glutamine acts as a major nitrogen transporter and provides energy for rapidly dividing cells in the gut and immune system, contributing to gut integrity and immune function. Which NHS and EFSA-aligned understanding supports its role in normal gut and immune system activity.

Dr. Ziegler of the University of Nebraska found that glutamine supports intestinal cell energy and immune cell activity, which aligns with the proposed mechanism of supporting tissue health during times of metabolic stress.

This product is not intended to diagnose, treat, cure, or prevent any disease.

NOW Foods stood out to us with quality leadership in manufacturing excellence and a really thorough approach to safety and transparency. This brand consistently operates out of facilities that meet GMP standards, ensuring meticulous quality control and purity throughout production, which aligns with our commitment to dependable quality for the British market.

NOW Foods additionally demonstrates third‑party validation through Informed-Sport and Informed-Choice certifications, confirming suitability for athletes and independent testing for banned substances. Their products are regularly tested for purity and potency and are labelled non-GMO and steroid-free, reinforcing our standard of ingredient transparency and consumer trust. Our medical team reviews such certifications as part of our quality certification process, ensuring independent, evidence-based oversight.

This brand is particularly well suited for L-Glutamine because of its emphasis on nitrogen transport, immune support and gut health as highlighted in the research, which also complements NOW Foods’ rigorous manufacturing and third‑party safety measures. Our evaluation confirms NOW Foods as a robust partner for this supplement line, well aligned with our Welzo standards and the needs of UK consumers. For our team review, see our medical team.