High-purity peptides for Research use — fast UK delivery available.

Terms and Conditions

Use of Website

By accessing and using our website, you agree to comply with these terms. All content, including product listings and educational material, is for informational and research purposes only.

Research Use Only

All products sold by Slim Pens are intended strictly for laboratory and research use. They are not for human or veterinary consumption under any circumstances.

Ordering & Payments

  • Customers must be 18 years or older to place an order.

  • We reserve the right to refuse or cancel orders at our discretion.

  • All prices are listed in GBP. Payment is accepted via secure checkout methods.

Shipping & Delivery

We ship across the UK using reliable, tracked services. Delivery times may vary based on location and product availability.

Refunds & Returns

Due to the sensitive nature of our products, returns are accepted only for unopened and damaged items. Please contact us within 7 days of receiving your order.

Limitation of Liability

GLP Journey is not responsible for any misuse of its products. Buyers are solely responsible for ensuring products are handled in accordance with local laws and safety standards.

Modifications

We reserve the right to update our Privacy Policy and Terms at any time. Please review this page periodically.

For any questions, please contact us at: info@slimpens.co.uk

Advance Your Research with SlimPens

Order clinically relevant, research-grade slimming pens — including Retatrutide, Semaglutide, and Tirzepatide — trusted by over 100 UK researchers.