L-Glutamine is an amino acid supplement that backs gut health and immune function, with free form glutamine as the key active ingredient.

Pure Encapsulations is recognised for its high-purity allergen-free formulas and strict quality standards. That means less worry about fillers or allergens, and consistent potency you can rely on.

Available Sizes & Variants:

90 vegetarian capsules - convenient daily dose for ongoing gut support.

Benefits & Features:

• Supports gut health and tissue repair, helping you bounce back faster during metabolic stress.
• Helps maintain lean muscle and supports immune function.
• Uses free form glutamine, the key active ingredient in the formula.
• Formulated to be free from major allergens and unnecessary fillers.
• Regular daily use supports gut barrier integrity and tissue repair, while also helping immune function and muscle recovery, with consistency likely after a couple of weeks.

Pure Encapsulations has earned a reputation for high-purity free-form amino acids and allergen-free formulas. Products are made in cGMP laboratories with rigorous quality control and third party testing for identity, purity and potency. The l glutamine used is a single ingredient approach, designed for reliable gut support, tissue repair and immune resilience. In our supplement store, customers value the clean label, steady potency, and the brand's commitment to transparency.

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.

1. The supplement is commonly used to support overall health and wellness. 2. It is often taken to fill in nutrient gaps in one's diet. 3. Many individuals use it to boost their immune system and prevent illnesses. 4. Athletes and fitness enthusiasts use it to enhance their performance and aid in muscle recovery. 5. Some people take the supplement to manage specific health conditions, such as high blood pressure or joint pain. 6. It is also used as a preventive measure against chronic diseases, such as heart disease and diabetes. Take 2 capsules without food or as directed by your healthcare professional.

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

1. Helps support muscle growth and repair: L-Glutamine is an essential amino acid that plays a crucial role in protein synthesis, making it an important component for muscle growth and repair. This can be especially beneficial for individuals who engage in high-intensity workouts or have an active lifestyle.
2. Aids in gut health and digestion: L-Glutamine plays a vital role in maintaining the health of the intestinal lining and promoting proper digestion. It helps to repair any damage to the intestines and maintain the integrity of the gut barrier, which can improve nutrient absorption and overall digestive health.

The Active Ingredient Is: L-Glutamine

L-Glutamine is an amino acid and a free-form nutrient that supports normal gut health, tissue repair, and immune function under metabolic stress. This form is free-form L-glutamine, supplied in vegetarian capsules for purity and ease of use.

Source and quality assumptions reflect high-purity, free-form amino acids with rigorous quality standards and allergen control typical of manufacturers of this type of supplement.

What Does L-Glutamine Do?

L-glutamine participates in gastrointestinal health, tissue repair, and muscle maintenance, with evidence suggesting gut barrier support and improved recovery signals in physically stressed individuals, as recognised in EFSA-aligned discussions of amino acid functions.

Dr. Zuhl of the University found that glutamine supplementation improved intestinal permeability and decreased infection rates in high-performance athletes, illustrating a potential role in supporting mucosal function during intensive activity.

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

Pure Encapsulations stood out in our evaluation for its steadfast commitment to purity, precision and transparency, making it the obvious pick for this L-Glutamine supplement. The brand is well known for high purity, free-form amino acids and allergen-free formulas, in line with strict cGMP laboratory manufacturing and rigorous quality checks that meet, or even exceed, industry standards. This focus on safety and consistency is central to Pure Encapsulations’ reputation for quality and reliability.

In our UK market assessment, this brand consistently demonstrates robust quality practices, including third-party testing for contaminants, potency and identity. Our medical team our medical team evaluated Pure Encapsulations against other producers using our quality certification process our quality certification process, recognising its dedication to allergen avoidance and raw-material integrity.

This brand is especially well suited for this L-Glutamine product due to its focus on purified, well-characterised amino acids and transparent sourcing principles, ensuring a reliable, consistent capsule formulation that meets our strict standards. Our partnership with Pure Encapsulations reflects shared commitment to safety, transparency and scientific rigour.