About Us

Who We Are

ExtolX is the trading name of ExtolX Limited, a company registered in England and Wales under company number 17314659. Registered office: 44 Hillcrest Avenue, Ingol, Preston, England, PR2 3UP.

ExtolX is a UK-based supplier of high-purity peptides for laboratory research. We support researchers with clear product information, accessible COAs and a straightforward ordering process from UK-held stock.

Our focus is on making research peptide supply simple, transparent and dependable. Products are batch coded, traceable and dispatched from the UK, with customer support available by email when needed.

Our Standards

We keep our standards simple: clearly identified products, careful storage and evidence-led quality checks.

ExtolX peptides are supplied with Janoshik COAs where available, and we also carry out random batch testing through an independent testing service. Each product is batch coded and traceable, with a target purity of >=99%.

Products are stored at -20°C or below before dispatch, then supplied in sealed vials with protective packaging to help maintain product integrity in transit. All orders are dispatched from the UK.

Why Researchers Choose ExtolX

Researchers choose ExtolX for high-purity products, clear documentation and dependable UK-based service. All products are held in UK stock, batch coded and traceable, with a target purity of >=99%.

COAs are available before purchase, and selected batches are also randomly tested through an independent testing service. Products are stored at -20°C or below, supplied in sealed vials with protective packaging, and replaced if damaged in transit.

Orders are dispatched from the UK with next-day dispatch, tracked delivery and email support available if you need help before or after ordering.

Need Product Information?

COAs are available before purchase where provided, and product details are clearly listed to help researchers make informed ordering decisions.

For questions about stock, documentation or dispatch, contact us by email and we’ll respond as soon as possible.