L-Lysine supplement helps your daily amino acid intake with a trusted, high quality formulation from a brand known for strict quality control.

Available Sizes & Variants:

100 capsules L-Lysine supplement - Great value for daily use.

Benefits & Features:

• Daily use supports steady amino acid intake.
• High quality manufacturing means you can trust purity and consistency in every capsule.
• What makes this brand special is rigorous quality control, including in house testing.
• The star ingredient, L-Lysine, is produced under cGMP standards with in house testing and third party verification where possible, helping ensure purity and consistent dosing.
• Designed for daily use and hassle free supplementation, helping you keep your routine on track.

Jarrow Formulas has built a reputation for precision manufacturing, in house testing, and a strict quality mindset. This L-Lysine product is produced in facilities that meet cGMP standards and are regularly checked by independent labs, helping you feel confident in what you’re taking. The blend relies on careful sourcing and capsule design, ensuring you get consistent capsules every time. For those exploring amino acid lysine benefits, this l lysine supplement sits neatly in many daily routines, and some people even call it an immune system booster.

(other) Magnesium stearate (vegetable source) and cellulose. Capsule consists of bovine gelatin.

• GTIN: 790011150046
• Manufacturer: Jarrow Formulas
• Categories: Cold Sore TreatmentsJarrow FormulasLysine SupplementsNew 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.

Take 1 capsule 1 to 3 times daily, ideally on an empty stomach or as advised by your healthcare professional.
To properly consume the supplement, dissolve one lozenge in your mouth or chew it, following the instructions of your qualified healthcare professional.

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

The Active Ingredient Is: L-Lysine

L-Lysine is an essential amino acid used by your body for protein synthesis and other body processes tied to tissue upkeep.

This form is the free amino acid L-Lysine, which is usually taken as a supplement from natural protein sources or fermentation processes.

What Does L-Lysine Do?

L-Lysine helps with protein synthesis and supports collagen formation, contributing to normal bodily structures and connective tissue function in line with EFSA guidance. It also helps with the utilisation of other nutrients involved in protein metabolism.

This section sums up general, everyday physiological roles without implying disease outcomes. EFSA and NHS guidance underpin these recognised functions.

This supplement isn't meant to diagnose, treat, cure, or prevent any disease.

We chose Jarrow Formulas as our partner for L-Lysine because this brand embodies top-notch manufacturing and a long-standing commitment to quality that matches Welzo’s standards. Jarrow Formulas is recognised as a top-tier dietary supplement brand with a stellar reputation for quality and consistency and reliability which gives us trust in their ongoing consistency and reliability.

Their manufacturing philosophy highlights precise production, in-house testing, and rigid cGMP compliance, supported by third-party verification through NSF International. Finished products are regularly tested for identity, purity and contaminants, underlining the stewardship level we expect for Welzo customers. This solid base is backed by credible independent validation that bolsters the brand’s credibility in the market.

Welzo team evaluated Jarrow Formulas via our standard vetting process and confirmed alignment with our quality certification process. This partnership is built on our care for patient safety and regulatory compliance, and that's why Welzo proudly endorses Jarrow Formulas for L-Lysine. For more context on our team and standards, check out Welzo's healthcare professionals and our quality certification process.