L-Glutamine Powder supports gut health and immune function by delivering pure L-glutamine, helping intestinal integrity, while Lamberts' rigorous quality standards back every scoop. A mild tasting, pure powder that mixes easily into water, juice, or food, with no added active ingredients. Lamberts Healthcare is a trusted UK brand with decades of experience, and it's backed by strict quality controls, making this supremely reliable for daily use.

Available Sizes & Variants:

500g L-Glutamine Powder - Bulk size ideal for regular use

Benefits & Features:

• Supports gut health and immune function with pure l glutamine, helping daily recovery feel steadier.
• Mixes easily into drinks or meals with a mild taste and no added inactive ingredients.
• Free from major allergens and vegan friendly.
• Ideal for sports nutrition supplements routines, supporting muscle recovery after workouts.
• The key active ingredient is the star here, delivering reliable support for gut integrity and immune health, backed by Lamberts' transparent sourcing and strict manufacturing standards.

Rooted in UK heritage, Lamberts Healthcare is a trusted name in clinical grade supplements. With over 30 years of expertise and strict quality controls, the brand delivers consistent, pure powders you can rely on. This l glutamine powder is suitable for vegetarians and vegans and blends easily, making it a simple, affordable addition to daily protein powder or sports nutrition supplements routines.

L-Glutamine

• GTIN: 5055148403737
• Manufacturer: Lamberts
• Categories: Glutamine SupplementsGut Health SupplementsIn stockLambertsNew Arrivals
• 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.

One heaped teaspoon of the supplement equals 5g. To support gut and immune health, it is recommended to take 5g daily. This can be mixed into water, fruit juice, or consumed at bedtime, at least 30 minutes after eating. For sports recovery, the recommended daily intake is between 5 to 10g. Before exercising, mix 5g of the supplement into drinks such as protein shakes, fruit juice, squash, or water. An additional 5g can be taken before bedtime.

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

1. L-Glutamine Powder is known to support muscle growth and maintenance, making it a popular supplement among athletes and bodybuilders.
2. This product also helps in maintaining a healthy digestive system by promoting the growth of beneficial bacteria in the gut, improving nutrient absorption and aiding in the repair of intestinal lining.

The Primary Ingredient Is: L-Glutamine

L-Glutamine is a non-essential amino acid that acts as a nutritional building block in the body and serves as a key energy source for rapidly renewing cells.

This product contains unadulterated free-form L-glutamine, suitable for vegetarians and vegans, with no additional active ingredients.

What Does L-Glutamine Do?

L-Glutamine is involved in supporting gut function, immune support, and muscle recovery by providing fuel for fast-dividing cells in the intestinal lining and immune system. Studies suggest it can help maintain the intestinal barrier integrity and may assist recovery after exercise.

Evidence shows the nutrient contributes to normal physiological functions involved in gut and immune health, with EFSA-aligned framing used in assessment talks. Dr. Castell of the University of Nottingham pointed out its potential role in supporting recovery processes after activity.

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

Lamberts is our chosen partner for L-Glutamine Powder due to a strong manufacturer track record and a clear commitment to quality. This UK-based brand has over 30 years of experience and is recognised for clinical-grade formulations and rigorous quality controls, often supplying practitioners and pharmacies. Their reputation for transparency, consistency, and compliance with UK/EU food supplement standards underpins our confidence in their stability and reliability as a supplier.

Product quality is demonstrated by Lamberts’ focus on a pure, free-form L-glutamine powder that is suitable for vegetarians and vegans and free from major allergens, with an emphasis on product purity and minimal ingredient lists. This aligns with our standards for clean, well-supported ingredients and ties into our commitment to how we verify ingredient quality with our expert team of doctors, nurses, and nutritionists which you can learn about here. For these reasons, we believe Lamberts offers superior consistency and safety as a partner for this supplement.

In short, Welzo selects brands with robust manufacturing practices, strong third‑party and regulatory alignment, and a clearly defined quality philosophy. We recommend Lamberts for this L-Glutamine Powder based on their proven track record, product integrity, and alignment with our vetting standards.