Glycine supplement helps you sleep better and feel calmer, with plant-based capsules ensuring clean, dependable delivery. Life Extension backs every bottle with quality you can trust and transparency you can rely on. This reflects Life Extension's long-standing commitment to purity, transparent testing, and label accuracy. Capsules are plant-based and designed for easy daily use.

Available Sizes & Variants:

100 veggie caps - convenient daily capsule format

Benefits & Features:

• Supports calm and restful sleep.
• The key active ingredient glycine promotes inhibitory signals in the brain, helping you wind down.
• Glycine helps support metabolic health and antioxidant protection, contributing to overall cellular defence.
• Glycine also plays a role in detoxification pathways in the liver and supports cognitive function, making it a versatile everyday supplement for busy lives today.
• Manufactured to Life Extension quality standards with Certificates of Analysis on request.

Life Extension has built a reputation on science based formulas and transparent quality. The glycine capsules are produced in NSF International certified facilities, with rigorous testing for identity, purity and potency, and a Certificate of Analysis available on request. The brand's Europe operations emphasise safety and efficacy, and its participation in independent testing programmes like ConsumerLab underlines a real commitment to trust. If you're comparing options like magnesium glycinate, creatine, or a vitamin d supplement, this glycine product offers pure, well sourced support.

Glycine

• GTIN: 737870166917
• Manufacturer: Life Extension
• Categories: Glycine Supplements SupplementsLife ExtensionNew 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 to 3 capsules on an empty stomach at bedtime, or as advised by a healthcare provider. Take 1 capsule one or two times daily with meals\, or as directed by a healthcare practitioner.

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

The Active Ingredient Is: Glycine

Glycine is a essential amino acid that participates in everyday physiological processes and acts as a key building block for proteins. This product provides glycine in a plant-based capsule format, in line with plant-based sourcing needs and helping guarantee steady delivery to the body.

Besides its roles in protein synthesis, glycine acts as a neurotransmitter and is involved in detoxification pathways, supporting metabolic and cognitive function as part of overall cellular health.

What Does Glycine Do?

Glycine helps promote inhibitory signalling in the central nervous system, which helps support calmness and sleep quality. It also contributes to the synthesis of the antioxidant glutathione, helping cellular protection and normal metabolic function in the body.

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

Life Extension is Welzo Selected for Glycine because of its unwavering commitment to quality compliance and transparency. This brand maintains rigorous manufacturing standards, with facilities certified to current Good Manufacturing Practices (cGMP) by NSF International and a comprehensive quality assurance programme that includes identity, purity and potency testing, frequent audits, and independent laboratory verification. Each batch comes with a Certificate of Analysis, reinforcing label accuracy and ingredient purity, and the brand actively participates in trusted third‑party programmes, underscoring its industry credibility. This strong compliance framework underpins the product and aligns with our UK market expectations for consistency and safety. For those evaluating quality protocols, Life Extension’s transparency and accessibility of COAs exemplify how we verify ingredient quality through our expert review process how we verify ingredient quality and how our medical team collaborates to ensure suitability our expert team of doctors, nurses, and nutritionists.

Life Extension’s sustained reputation for science‑based formulations and its history of rigorous testing make it a natural partner for a single‑ingredient amino acid like Glycine, ensuring product integrity while we focus on delivering clear, reliable consumer experiences.